Structured ACCREtion Disks: initial conditions for planet formation in the time domain

Publications

A Study of the Photometric and Spectroscopic Variations of the Prototypical FU Orionis-type Star V1057 Cyg

Author(s): Zs. M. Szabó, Á. Kóspál, P. Ábrahám, S. Park, M. Siwak, J. D. Green, A. Moór, A. Pál, J. A. Acosta-Pulido, J.-E. Lee, B. Cseh, G. Csörnyei, O. Hanyecz, R. Könyves-Tóth, M. Krezinger, L. Kriskovics, A. Ordasi, K. Sárneczky, B. Seli, R. Szakáts, A. Szing, K. Vida
Published in: The Astrophysical Journal, Issue 917/2, 2021, Page(s) 80, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ac04b3

Lyα Scattering Models Trace Accretion and Outflow Kinematics in T Tauri Systems

Author(s): N. Arulanantham, M. Gronke, E. Fiorellino, J. F. Gameiro, A. Frasca, J. Green, S.-J. Chang, R. A. B. Claes, C. C. Espaillat, K. France, G. J. Herczeg, C. F. Manara, L. Venuti, P. Ábrahám, R. Alexander, J. Bouvier, J. Campbell-White, J. Eislöffel, W. J. Fischer, Á. Kóspál, M. Vioque
Published in: The Astrophysical Journal, Issue 944/2, 2023, Page(s) 185, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/acaf70

Outbursts in Global Protoplanetary Disk Simulations

Author(s): Kundan Kadam, Eduard Vorobyov, Zsolt Regály, Ágnes Kóspál, Péter Ábrahám
Published in: The Astrophysical Journal, Issue 895/1, 2020, Page(s) 41, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab8bd8

Eruptive Behavior of Magnetically Layered Protoplanetary Disks in Low-metallicity Environments

Author(s): Kundan Kadam, Eduard Vorobyov, Ágnes Kóspál
Published in: The Astrophysical Journal, Issue 909/1, 2021, Page(s) 31, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/abdab3

The Effelsberg survey of FU Orionis and EX Lupi objects. II. H2O maser observations

Author(s): Zs. M. Szabó, Y. Gong, W. Yang, K. M. Menten, O. S. Bayandina, C. J. Cyganowski, Á. Kóspál, P. Ábrahám, A. Belloche, F. Wyrowski
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A202, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202245032

Accretion and Extinction Variations in the Low-mass Pre-main-sequence Binary System WX Cha

Author(s): E. Fiorellino, G. Zsidi, Á. Kóspál, P. Ábrahám, A. Bódi, G. Hussain, C. F. Manara, A. Pál
Published in: The Astrophysical Journal, Issue 938/2, 2022, Page(s) 93, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/ac912d

Empirical determination of the lithium 6707.856 Å wavelength in young stars

Author(s): J. Campbell-White, C. F. Manara, A. Sicilia-Aguilar, A. Frasca, L. D. Nielsen, Ch. P. Schneider, B. Nisini, A. Bayo, B. Ercolano, P. Ábrahám, R. Claes, M. Fang, D. Fedele, J. F. Gameiro, M. Gangi, Á. Kóspál, K. Maucó, M. G. Petr-Gotzens, E. Rigliaco, C. Robinson, M. Siwak, L. Tychoniec, L. Venuti
Published in: Astronomy & Astrophysics, Issue 673, 2023, Page(s) A80, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202245696

Disc light variability in the FUor star V646 Puppis as observed by TESS and from the ground

Author(s): Michał Siwak, Waldemar Ogłoza, Jerzy Krzesiński
Published in: Astronomy & Astrophysics, Issue 644, 2020, Page(s) 135, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202037607

Gaia Data Release 3. Mapping the asymmetric disc of the Milky Way

Author(s): 19 Gaia Collaboration; Drimmel, R; Romero-Gomez, M; Chemin, L; Ramos, P; Poggio, E; Ripepi, V; Andrae, R; Blomme, R; Cantat-Gaudin, T; Castro-Ginard, A; Clementini, G; Figueras, F; Fouesneau, M; Fremat, Y; Jardine, K; Khanna, S; Lobel, A; Marshall, D; Muraveva, T; Brown, A; Vallenari, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Ducourant, C; Evans, D; Eyer, L; Gu
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A37, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243797

ALMA and VLA Observations of EX Lupi in Its Quiescent State

Author(s): Jacob Aaron White, Á. Kóspál, A. G. Hughes, P. Ábrahám, V. Akimkin, A. Banzatti, L. Chen, F. Cruz-Sáenz de Miera, A. Dutrey, M. Flock, S. Guilloteau, A. S. Hales, T. Henning, K. Kadam, D. Semenov, A. Sicilia-Aguilar, R. Teague, E. I. Vorobyov
Published in: The Astrophysical Journal, Issue 904/1, 2020, Page(s) 37, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/abbb94

Massive Compact Disks around FU Orionis-type Young Eruptive Stars Revealed by ALMA

Author(s): Á. Kóspál, F. Cruz-Sáenz de Miera, J. A. White, P. Ábrahám, L. Chen, T. Csengeri, R. Dong, M. M. Dunham, O. Fehér, J. D. Green, J. Hashimoto, Th. Henning, M. Hogerheijde, T. Kudo, H. B. Liu, M. Takami, E. I. Vorobyov
Published in: The Astrophysical Journal Supplement Series, Issue 256/2, 2021, Page(s) 30, ISSN 1538-4365
Publisher: IOP Science
DOI: 10.3847/1538-4365/ac0f09

The ODYSSEUS Survey. Motivation and First Results: Accretion, Ejection, and Disk Irradiation of CVSO 109

Author(s): C. C. Espaillat, G. J. Herczeg, T. Thanathibodee, C. Pittman, N. Calvet, N. Arulanantham, K. France, J. Serna, J. Hernández, Á. Kóspál, F. M. Walter, A. Frasca, W. J. Fischer, C. M. Johns-Krull, P. C. Schneider, C.Robinson, S. Edwards, P. Ábrahám, M. Fang, J. Erkal, C. F. Manara, J. M. Alcalá, E. Alecian, R. D. Alexander, J. Alonso-Santiago, S. Antoniucci, D. R. Ardila, A. Banzatti, M. Beni
Published in: The Astronomical Journal, Issue 163/3, 2022, Page(s) 114, ISSN 1538-3881
Publisher: IOP Publishing
DOI: 10.3847/1538-3881/ac479d

Gaia Data Release 3. Validating the classification of variable young stellar object candidates

Author(s): G. Marton, G, P. Ábrahám, L. Rimoldini, M. Audard, M. Kun, Zs. Nagy, Á. Kóspál, L. Szabados, B. Holl, P. Gavras, N. Mowlavi, K. Nienartowicz, G. de Fombelle, I. Lecoeur-Taibi, L. Karbevska, P. Lario, L. Eyer
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A21, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202244101

The disk of FU Orionis viewed with MATISSE/VLTI. First interferometric observations in L and M bands

Author(s): F. Lykou, P. Ábrahám, L. Chen, J. Varga, Á. Kóspál, A. Matter, M. Siwak, Zs. M. Szabó, Z. Zhu, H. B. Liu, B. Lopez, F. Allouche, J.-C. Augereau, P. Berio, P. Cruzalèbes, C. Dominik, Th. Henning, K.-H. Hofmann, M. Hogerheijde, W. J. Jaffe, E. Kokoulina, S. Lagarde, A. Meilland, F. Millour, E. Pantin, R. Petrov, S. Robbe-Dubois, D. Schertl, M. Scheuck, R. van Boekel, L. B. F. M. Waters, G. We
Published in: Astronomy & Astrophysics, Issue 663, 2022, Page(s) 86, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202142788

The asymmetric inner disk of the Herbig Ae star HD 163296 in the eyes of VLTI/MATISSE: evidence for a vortex?

Author(s): J. Varga, M. Hogerheijde, R. van Boekel, L. Klarmann, R. Petrov, L. B. F. M. Waters, S. Lagarde, E. Pantin, Ph. Berio, G. Weigelt, S. Robbe-Dubois, B. Lopez, F. Millour, J.-C. Augereau, H. Meheut, A. Meilland, Th. Henning, W. Jaffe, F. Bettonvil, P. Bristow, K.-H. Hofmann, A. Matter, G. Zins, S. Wolf, F. Allouche, F. Donnan, D. Schertl, C. Dominik, M. Heininger, M. Lehmitz, P. Cruzalèbes, A. Glin
Published in: Astronomy & Astrophysics, Issue 647, 2021, Page(s) 56, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202039400

Gaia Data Release 3. Chemical cartography of the Milky Way

Author(s): Gaia Collaboration; Recio-Blanco, A; Kordopatis, G; de Laverny, P; Palicio, P; Spagna, A; Spina, L; Katz, D; Re Fiorentin, P; Poggio, E; McMillan, P; Vallenari, A; Lattanzi, M; Seabroke, G; Casamiquela, L; Bragaglia, A; Antoja, T; Bailer-Jones, C; Schultheis, M; Andrae, R; Fouesneau, M; Cropper, M; Cantat-Gaudin, T; Bijaoui, A; Heiter, U; Brown, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A38, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243511

Towards a Comprehensive View of Accretion, Inner Disks, and Extinction in Classical T Tauri Stars: An ODYSSEUS Study of the Orion OB1b Association

Author(s): C. V. Pittman, C. C. Espaillat, C. E. Robinson, T. Thanathibodee, N. Calvet, J. Wendeborn, J. Hernández, C. F. Manara, F. Walter, P. Ábrahám, J. M. Alcalá, S. H. P. Alencar, N. Arulanantham, S. Cabrit, J. Eislöffel, E. Fiorellino, K. France, M. Gangi, K. Grankin, G. J. Herczeg, Á. Kóspál, I. Mendigutía, J. Serna, L. Venuti
Published in: The Astronomical Journal, Issue 164/5, 2022, Page(s) 201, ISSN 1538-3881
Publisher: IOP Publishing
DOI: 10.3847/1538-3881/ac898d

The Accretion Process in the DQ Tau Binary System

Author(s): E. Fiorellino, S. Park, Á. Kóspál, P. Ábrahám
Published in: The Astrophysical Journal, Issue 928/1, 2022, Page(s) 81, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/ac4790

The active weak-line T Tauri star LkCa 4 observed with SPIRou and TESS

Author(s): B. Finociety, J.-F. Donati, K. Grankin, J. Bouvier, S. Alencar, F. Ménard, T. P. Ray, Á. Kóspál, the S. L. S. consortium
Published in: Monthly Notices of the Royal Astronomical Society, Issue 520/2, 2023, Page(s) 3049, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stad267

VLTI-MATISSE chromatic aperture-synthesis imaging of η Carinae's stellar wind across the Brα line. Periastron passage observations in February 2020

Author(s): G. Weigelt, K.-H. Hofmann, D. Schertl, B. Lopez, R. G. Petrov, S. Lagarde, Ph. Berio, W. Jaffe, Th. Henning, F. Millour, A. Meilland, F. Allouche, S. Robbe-Dubois, A. Matter, P. Cruzalèbes, D. J. Hillier, C. M. P. Russell, T. Madura, T. R. Gull, M. F. Corcoran, A. Damineli, A. F. J. Moffat, P. W. Morris, N. D. Richardson, C. Paladini, M. Schöller, A. Mérand, A. Glindemann, U. Beckmann, M.
Published in: Astronomy & Astrophysics, Issue 652, 2021, Page(s) A140, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202141240

Gaia Data Release 3. The Galaxy in your preferred colours: Synthetic photometry from Gaia low-resolution spectra

Author(s): Gaia Collaboration; Montegriffo, P; Bellazzini, M; De Angeli, F; Andrae, R; Barstow, M; Bossini, D; Bragaglia, A; Burgess, P; Cacciari, C; Carrasco, J; Chornay, N; Delchambre, L; Evans, D; Fouesneau, M; Fremat, Y; Garabato, D; Jordi, C; Manteiga, M; Massari, D; Palaversa, L; Pancino, E; Riello, M; Ruz Mieres, D; Sanna, N; Santovena, R; Sordo, R; Vallenari, A; Walton, N; Brown, A; Prusti, T; de Bru
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A33, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243709

The MESAS Project: ALMA Observations of the F-type Stars γ Lep, γ Vir A, and γ Vir B

Author(s): Jacob Aaron White, F. Tapia-Vázquez, A. G. Hughes, A. Moór, B. Matthews, D. Wilner, J. Aufdenberg, A. M. Hughes, V. De la Luz, A. Boley
Published in: The Astrophysical Journal, Issue 894/1, 2020, Page(s) 76, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab8467

PENELLOPE. II. CVSO 104: A pre-main sequence close binary with an optical companion in Ori OB1

Author(s): A. Frasca, H. M. J. Boffin, C. F. Manara, J. M. Alcalá, P. Ábrahám, E. Covino, M. Fang, M. Gangi, G. J. Herczeg, Á. Kóspál, L. Venuti, F. M. Walter, J. Alonso-Santiago, K. Grankin, M. Siwak, E. Alecian, S. Cabrit
Published in: Astronomy & Astrophysics, Issue 656, 2021, Page(s) 138, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202141686

Accretion process, magnetic fields, and apsidal motion in the pre-main sequence binary DQ Tau

Author(s): K. Pouilly, O. Kochukhov, Á. Kóspál, A. Hahlin, A. Carmona, P. Ábrahám
Published in: Monthly Notices of the Royal Astronomical Society, Issue 518/4, 2023, Page(s) 5072, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stac3322

Ancillary science with ARIEL: feasibility and scientific potential of young stellar object observations

Author(s): Boldizsár I. Gyűrűs, Csaba Kiss, Juan Carlos Morales, Navid Nakhjiri, Gábor Marton, Péter Ábrahám, Ágnes Kóspál, Attila Moór, Gyula M. Szabó, Róbert Szabó
Published in: Experimental Astronomy, Issue 53/2, 2022, Page(s) 759-771, ISSN 1572-9508
Publisher: Springer
DOI: 10.1007/s10686-021-09742-8

The T Tauri star V410 Tau in the eyes of SPIRou and TESS

Author(s): Benjamin Finociety, Jean-François Donati, Baptiste Klein, Bonnie Zaire, Lisa Lehmann, Claire Moutou, Jérôme Bouvier, Silvia H.P Alencar, Louise Yu, Konstantin Grankin, Étienne Artigau, René Doyon, Xavier Delfosse, Pascal Fouqué, Guillaume Hébrard, Moira Jardine, Ágnes Kóspál, François Ménard, the SLS consortium
Published in: Monthly Notices of the Royal Astronomical Society, Issue 508/3, 2021, Page(s) 3427, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stab2778

A likely flyby of binary protostar Z CMa caught in action

Author(s): Ruobing Dong, Hauyu Baobab Liu, Nicolas Cuello, Christophe Pinte, Peter Abraham, Eduard Vorobyov, Jun Hashimoto, Agnes Kospal, Eugene Chiang, Michihiro Takami, Lei Chen, Michael Dunham, Misato Fukagawa, Joel Green, Yasuhiro Hasegawa, Thomas Henning, Yaroslav Pavlyuchenkov, Tae-Soo Pyo, Motohide Tamura
Published in: Nature Astronomy, Issue January 2022, 2022, ISSN 2397-3366
Publisher: Springer Nature
DOI: 10.1038/s41550-021-01558-y

The Mass Accretion Rate and Stellar Properties in Class I Protostars

Author(s): E. Fiorellino, Ł. Tychoniec, F. Cruz-Sáenz de Miera, S. Antoniucci, Á. Kóspál, C. F. Manara, B. Nisini, G. Rosotti
Published in: The Astrophysical Journal, Issue 944/2, 2023, Page(s) 135, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aca320

The Surprisingly Low Carbon Mass in the Debris Disk around HD 32297

Author(s): Gianni Cataldi, Yanqin Wu, Alexis Brandeker, Nagayoshi Ohashi, Attila Moór, Göran Olofsson, Péter Ábrahám, Ruben Asensio-Torres, Maria Cavallius, William R. F. Dent, Carol Grady, Thomas Henning, Aya E. Higuchi, A. Meredith Hughes, Markus Janson, Inga Kamp, Ágnes Kóspál, Seth Redfield, Aki Roberge, Alycia Weinberger, Barry Welsh
Published in: The Astrophysical Journal, Issue 892/2, 2020, Page(s) 99, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab7cc7

Gaia Data Release 3. Summary of the content and survey properties

Author(s): Gaia Collaboration; Vallenari, A; Brown, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Ducourant, C; Evans, D; Eyer, L; Guerra, R; Hutton, A; Jordi, C; Klioner, S; Lammers, U; Lindegren, L; Luri, X; Mignard, F; Panem, C; Pourbaix, D; Randich, S; Sartoretti, P; Soubiran, C; Tanga, P; Walton, N; Bailer-Jones, C; Bastian, U; Drimmel, R; Jansen, F; Katz, D; Lattanzi, M
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A1, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243940

Gaia21bty: An EXor light curve exhibiting a FUor spectrum

Author(s): M. Siwak, L. A. Hillenbrand, Á. Kóspál, P. Ábrahám, T. Giannini, K. De, A. Moór, M. Szilágyi, J. Janík, Ch. Koen, S. Park, Zs. Nagy, F. Cruz-Sáenz de Miera, E. Fiorellino, G. Marton, M. Kun, Ph. Lucas, A. Udalski, Zs. M. Szabó
Published in: Monthly Notices of the Royal Astronomical Society, Issue 524, 2023, Page(s) 5548, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stad2135

Gaia Data Release 3. The extragalactic content

Author(s): Gaia Collaboration; Bailer-Jones, C; Teyssier, D; Delchambre, L; Ducourant, C; Garabato, D; Hatzidimitriou, D; Klioner, S; Rimoldini, L; Bellas-Velidis, I; Carballo, R; Carnerero, M; Diener, C; Fouesneau, M; Galluccio, L; Gavras, P; Krone-Martins, A; Raiteri, C; Teixeira, R; Brown, A; Vallenari, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Evans, D; Eyer, L; Guerr
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A41, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243232

Spirals and Clumps in V960 Mon: Signs of Planet Formation via Gravitational Instability around an FU Ori Star?

Author(s): Ph. Weber, S. Pérez, A. Zurlo, J. Miley, A. Hales, L. Cieza, D. Principe, M. Cárcamo, A. Garufi, Á. Kóspál, M. Takami, J. Kastner, Zh. Zhu, J. Williams
Published in: The Astrophysical Journal Letters, Issue 952, 2023, Page(s) L17, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/2041-8213/ace186

V899 Mon: A Peculiar Eruptive Young Star Close to the End of Its Outburst

Author(s): Sunkyung Park, Ágnes Kóspál, Fernando Cruz-Sáenz de Miera, Michał Siwak, Marek Dróżdż, Bernadett Ignácz, Daniel T. Jaffe, Réka Könyves-Tóth, Levente Kriskovics, Jae-Joon Lee, Jeong-Eun Lee, Gregory N. Mace, Waldemar Ogłoza, András Pál, Stephen B. Potter, Zsófia Marianna Szabó, Ramotholo Sefako, Hannah L. Worters
Published in: The Astrophysical Journal, Issue 923/2, 2021, Page(s) 171, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ac29c4

Gaia Data Release 3. Reflectance spectra of Solar System small bodies

Author(s): Gaia Collaboration; Galluccio, L; Delbo, M; De Angeli, F; Pauwels, T; Tanga, P; Mignard, F; Cellino, A; Brown, A; Muinonen, K; Penttila, A; Jordan, S; Vallenari, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Ducourant, C; Evans, D; Eyer, L; Guerra, R; Hutton, A; Jordi, C; Klioner, S; Lammers, U; Lindegren, L; Luri, X; Panem, C; Pourbaix, D; Randich, S; Sartoretti,
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A35, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243791

The Gaia alerted fading of the FUor-type star Gaia21elv

Author(s): Zs. Nagy, S. Park, P. Ábrahám, Á. Kóspál, F. Cruz-Sáenz de Miera, M. Kun, M. Siwak, Zs. M. Szabó, M. Szilágyi, E. Fiorellino, T. Giannini, J.-J. Lee, J.-E. Lee, G. Marton, L. Szabados, F. Vitali, J. Andrzejewski, M. Gromadzki, S. Hodgkin, M. Jabłońska, R. A. Mendez, J. Merc, O. Michniewicz, P. J. Mikołajczyk, U. Pylypenko, M. Ratajczak, Ł. Wyrzykowski, M. Zejmo, P. Zieliński
Published in: Monthly Notices of the Royal Astronomical Society, Issue 524, 2023, Page(s) 3344, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stad2019

Gaia 18dvy: A New FUor in the Cygnus OB3 Association

Author(s): E. Szegedi-Elek, P. Ábrahám, L. Wyrzykowski, M. Kun, A. Kóspál, L. Chen, G. Marton, A. Moór, Cs. Kiss, A. Pál, L. Szabados, J. Varga, E. Varga-Verebélyi, C. Andreas, E. Bachelet, R. Bischoff, A. Bódi, E. Breedt, U. Burgaz, T. Butterley, V. Čepas, G. Damljanovic, I. Gezer, V. Godunova, M. Gromadzki, A. Gurgul, L. Hardy, F. Hildebrandt, S. Hoffmann, M. Hundertmark, N. Ihanec, R. Janulis, Cs
Published in: The Astrophysical Journal, Issue 899/2, 2020, Page(s) 130, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/aba129

Recurrent Strong Outbursts of an EXor-like Young Eruptive Star Gaia20eae

Author(s): F. Cruz-Sáenz de Miera, Á. Kóspál, P. Ábrahám, S. Park, Zs. Nagy, M. Siwak, M. Kun, E. Fiorellino, Zs. M. Szabó, S. Antoniucci, T. Giannini, B. Nisini, L. Szabados, L. Kriskovics, A. Ordasi, R. Szakáts, K. Vida, J. Vinkó, P. Zieliński, Ł. Wyrzykowski, D. García-Álvarez, M. Dróżdż, W. Ogłoza, E. Sonbas
Published in: The Astrophysical Journal, Issue 927/1, 2022, Page(s) 125, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/ac477f

PENELLOPE. III. The peculiar accretion variability of XX Cha and its impact on the observed spread of accretion rates

Author(s): R. A. B. Claes, C. F. Manara, R. Garcia-Lopez, A. Natta, M. Fang, Z. P. Fockter, P. Ábrahám, J. M. Alcalá, J. Campbell-White, A. Caratti o Garatti, E. Covino, D. Fedele, A. Frasca, J. F. Gameiro, G. J. Herczeg, Á. Kóspál, M. G. Petr-Gotzens, G. Rosotti, L. Venuti, G. Zsidi
Published in: Astronomy & Astrophysics, Issue 664, 2022, Page(s) L7, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202244135

PENELLOPE: The ESO data legacy program to complement the Hubble UV Legacy Library of Young Stars (ULLYSES). I. Survey presentation and accretion properties of Orion OB1 and σ-Orionis

Author(s): C.F. Manara, A. Frasca, L. Venuti, M. Siwak, G.J. Herczeg, N. Calvet, J. Hernandez, Ł. Tychoniec, M. Gangi, J.M. Alcalá, H. M. J. Boffin, B. Nisini, M. Robberto, C. Briceno, J. Campbell-White, A. Sicilia-Aguilar, P. McGinnis, D. Fedele, Á. Kóspál, P. Ábrahám, J. Alonso-Santiago, S. Antoniucci, N. Arulanantham, F. Bacciotti, A. Banzatti, G. Beccari, M. Benisty, K. Biazzo, J. Bouvier, S. Cabr
Published in: Astronomy & Astrophysics, Issue 650, 2021, Page(s) 196, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202140639

The magnetic field and multiple planets of the young dwarf AU Mic

Author(s): J.-F. Donati, P. I. Cristofari, B. Finociety, B. Klein, C. Moutou, E. Gaidos, C. Cadieux, E. Artigau, A. C. M. Correia, G. Boué, N. J. Cook, A. Carmona, L. T. Lehmann, J. Bouvier, E. Martioli, J. Morin, P. Fouqué, X. Delfosse, R. Doyon, G. Hébrard, S. H. P. Alencar, J. Laskar, L. Arnold, P. Petit, Á. Kóspál, A. Vidotto, C. P. Folsom, the SLS collaboration
Published in: Monthly Notices of the Royal Astronomical Society, Issue 525, 2023, Page(s) 455, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stad1193

Image-based Classification of Variable Stars: First Results from Optical Gravitational Lensing Experiment Data

Author(s): T. Szklenár, A. Bódi, D. Tarczay-Nehéz, K. Vida, G. Marton, Gy. Mező, A. Forró, R. Szabó
Published in: The Astrophysical Journal Letters, Issue 897/1, 2020, Page(s) L12, ISSN 2041-8213
Publisher: IOP Science
DOI: 10.3847/2041-8213/ab9ca4

The clumpy structure of ϵ Eridani's debris disc revisited by ALMA

Author(s): Mark Booth, Tim D. Pearce, Alexander V. Krivov, Mark C. Wyatt, William R. F. Dent, Antonio S. Hales, Jean-François Lestrade, Fernando Cruz-Sáenz de Miera, Virginie C. Faramaz, Torsten Löhne, Miguel Chavez-Dagostino
Published in: Monthly Notices of the Royal Astronomical Society, Issue 521/4, 2023, Page(s) 6180-6194, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stad938

A Multi-epoch, Multiwavelength Study of the Classical FUor V1515 Cyg Approaching Quiescence

Author(s): Zs. M. Szabó, Á. Kóspál, P. Ábrahám, S. Park, M. Siwak, J. D. Green, A. Pál, J. A. Acosta-Pulido, J.-E. Lee, M. Ibrahimov, K. Grankin, B. Kovács, Zs. Bora, A. Bódi, B. Cseh, G. Csörnyei, M. Dróżdż, O. Hanyecz, B. Ignácz, Cs. Kalup, R. Könyves-Tóth, M. Krezinger, L. Kriskovics, W. Ogłoza, A. Ordasi, K. Sárneczky, B. Seli, R. Szakáts, Á. Sódor, A. Szing, K. Vida, K., J. Vinkó
Published in: The Astrophysical Journal, Issue 936/1, 2022, Page(s) 64, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/ac82f5

Self-sustaining vortices in protoplanetary discs: Setting the stage for planetary system formation

Author(s): Zsolt Regaly, Kundan Kadam, Cornelis P. Dullemond
Published in: Monthly Notices of the Royal Astronomical Society, Issue 506/2, 2021, Page(s) 2685, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stab1846

Dipper-like variability of the Gaia alerted young star V555 Ori

Author(s): Zsófia Nagy, Elza Szegedi-Elek, Péter Ábrahám, Ágnes Kóspál, Attila Bódi, Jérôme Bouvier, Mária Kun, Attila Moór, Borbála Cseh, Anikó Farkas-Takács, Ottó Hanyecz, Simon Hodgkin, Bernadett Ignácz, Csaba Kiss, Réka Könyves-Tóth, Levente Kriskovics, Gábor Marton, László Mészáros, András Ordasi, András Pál, Paula Sarkis, Krisztián Sárneczky, Ádám Sódor, László Szabad
Published in: Monthly Notices of the Royal Astronomical Society, Issue 504/1, 2021, Page(s) 185, ISSN 1365-2966
Publisher: Oxford University Press
DOI: 10.1093/mnras/stab841

Gaia Early Data Release 3. The celestial reference frame (Gaia-CRF3)

Author(s): Gaia Collaboration, S. A. Klioner, L. Lindegren, F. Mignard, J. Hernández, M. Ramos-Lerate, U. Bastian, M. Biermann, A. Bombrun, A. de Torres, E. Gerlach, R. Geyer, T. Hilger, D. Hobbs, U. L. Lammers, P. J. McMillan, H. Steidelmüller, D. Teyssier, C. M. Raiteri, S. Bartolomé, M. Bernet, J. Castañeda, M. Clotet, M. Davidson, C. Fabricius, N. Garralda Torres, J. J. González-Vidal, J. Portell, N
Published in: Astronomy & Astrophysics, Issue 667, 2022, Page(s) A148, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243483

Spots, Flares, Accretion, and Obscuration in the Pre-main-sequence Binary DQ Tau

Author(s): Á. Kóspál, P. Ábrahám, G. Zsidi, K. Vida, R. Szabó, A. Moór, A. Pál
Published in: The Astrophysical Journal, Issue 862/1, 2018, Page(s) 44, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aacafa

Near-infrared High-resolution Imaging Polarimetry of FU Ori-type Objects: Toward a Unified Scheme for Low-mass Protostellar Evolution

Author(s): Michihiro Takami, Guangwei Fu, Hauyu Baobab Liu, Jennifer L. Karr, Jun Hashimoto, Tomoyuki Kudo, Eduard I. Vorobyov, Ágnes Kóspál, Peter Scicluna, Ruobing Dong, Motohide Tamura, Tae-Soo Pyo, Misato Fukagawa, Toru Tsuribe, Michael M. Dunham, Thomas Henning, Jerome de Leon
Published in: The Astrophysical Journal, Issue 864/1, 2018, Page(s) 20, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aad2e1

Chemical Signatures of the FU Ori Outbursts

Author(s): Tamara Molyarova, Vitaly Akimkin, Dmitry Semenov, Péter Ábrahám, Thomas Henning, Ágnes Kóspál, Eduard Vorobyov, Dmitri Wiebe
Published in: The Astrophysical Journal, Issue 866/1, 2018, Page(s) 46, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aadfd9

VLTI/MIDI atlas of disks around low- and intermediate-mass young stellar objects

Author(s): J. Varga, P. Ábrahám, L. Chen, Th. Ratzka, K. É. Gabányi, Á. Kóspál, A. Matter, R. van Boekel, Th. Henning, W. Jaffe, A. Juhász, B. Lopez, J. Menu, A. Moór, L. Mosoni, N. Sipos
Published in: Astronomy & Astrophysics, Issue 617, 2018, Page(s) A83, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201832599

Dust evolution in the circumstellar disc of the unclassified B[e] star HD 50138

Author(s): J Varga, T Gerják, P Ábrahám, L Chen, K Gabányi, Á Kóspál
Published in: Monthly Notices of the Royal Astronomical Society, Issue 485/3, 2019, Page(s) 3112-3123, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz486

Constraining the Radio Emission of TRAPPIST-1

Author(s): A. G. Hughes, A. C. Boley, R. A. Osten, J. A. White
Published in: The Astrophysical Journal, Issue 881/1, 2019, Page(s) 33, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab2be7

The MESAS Project: Long-wavelength Follow-up Observations of Sirius A

Author(s): Jacob Aaron White, J. Aufdenberg, A. C. Boley, M. Devlin, S. Dicker, P. Hauschildt, A. G. Hughes, A. M. Hughes, B. Mason, B. Matthews, A. Moór, T. Mroczkowski, C. Romero, J. Sievers, S. Stanchfield, F. Tapia, D. Wilner
Published in: The Astrophysical Journal, Issue 875/1, 2019, Page(s) 55, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab0e7f

APEX Observations of the CO Envelope around the Young FUor-type Star V883 Ori

Author(s): J. A. White, Á. Kóspál, C. Rab, P. Ábrahám, F. Cruz-Sáenz de Miera, T. Csengeri, O. Fehér, R. Güsten, T. Henning, E. Vorobyov, M. Audard, A. Postel
Published in: The Astrophysical Journal, Issue 877/1, 2019, Page(s) 21, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab18fc

The Weakening Outburst of the Young Eruptive Star V582 Aur

Author(s): G. Zsidi, P. Ábrahám, J. A. Acosta-Pulido, Á. Kóspál, M. Kun, Zs. M. Szabó, A. Bódi, B. Cseh, N. Castro Segura, O. Hanyecz, B. Ignácz, Cs. Kalup, L. Kriskovics, L. Mészáros, A. Ordasi, A. Pál, K. Sárneczky, B. Seli, Á. Sódor, R. Szakáts
Published in: The Astrophysical Journal, Issue 873/2, 2019, Page(s) 130, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab05c9

Identification of Young Stellar Object candidates in the Gaia DR2 x AllWISE catalogue with machine learning methods

Author(s): G Marton, P Ábrahám, E Szegedi-Elek, J Varga, M Kun, Á Kóspál, E Varga-Verebélyi, S Hodgkin, L Szabados, R Beck, Cs Kiss
Published in: Monthly Notices of the Royal Astronomical Society, Issue 487/2, 2019, Page(s) 2522-2537, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz1301

Spectral Evolution and Radial Dust Transport in the Prototype Young Eruptive System EX Lup

Author(s): P. Ábrahám, L. Chen, Á. Kóspál, J. Bouwman, A. Carmona, M. Haas, A. Sicilia-Aguilar, C. Sobrino Figaredo, R. van Boekel, J. Varga
Published in: The Astrophysical Journal, Issue 887/2, 2019, Page(s) 156, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab521d

Diagnosing 0.1–10 au Scale Morphology of the FU Ori Disk Using ALMA and VLTI/GRAVITY

Author(s): Hauyu Baobab Liu, Antoine Mérand, Joel D. Green, Sebastián Pérez, Antonio S. Hales, Yao-Lun Yang, Michael M. Dunham, Yasuhiro Hasegawa, Thomas Henning, Roberto Galván-Madrid, Ágnes Kóspál, Michihiro Takami, Eduard I. Vorobyov, Zhaohuan Zhu
Published in: The Astrophysical Journal, Issue 884/1, 2019, Page(s) 97, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab391c

Variable Warm Dust around the Herbig Ae Star HD 169142: Birth of a Ring?

Author(s): Lei Chen, Attila Moór, Alexander Kreplin, Ágnes Kóspál, Peter Ábrahám, Alexis Matter, Andres Carmona, Karl-Heinz Hofmann, Dieter Schertl, Gerd Weigelt
Published in: The Astrophysical Journal, Issue 887/2, 2019, Page(s) L32, ISSN 2041-8213
Publisher: IOP Science
DOI: 10.3847/2041-8213/ab59dd

Dynamical Gaseous Rings in Global Simulations of Protoplanetary Disk Formation

Author(s): Kundan Kadam, Eduard Vorobyov, Zsolt Regály, Ágnes Kóspál, Péter Ábrahám
Published in: The Astrophysical Journal, Issue 882/2, 2019, Page(s) 96, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab378a

An ALMA Study of the FU Ori–type Object V900 Mon: Implications for the Progenitor

Author(s): Michihiro Takami, Tsu-Sheng Chen, Hauyu Baobab Liu, Naomi Hirano, Ágnes Kóspál, Péter Ábrahám, Eduard I. Vorobyov, Fernando Cruz-Sáenz de Miera, Timea Csengeri, Joel Green, Michiel Hogerheijde, Tien-Hao Hsieh, Jennifer L. Karr, Ruobing Dong, Alfonso Trejo, Lei Chen
Published in: The Astrophysical Journal, Issue 884/2, 2019, Page(s) 146, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab43c8

Resolved ALMA Continuum Image of the Circumbinary Ring and Circumstellar Disks in the L1551 IRS 5 System

Author(s): Fernando Cruz-Sáenz de Miera, Ágnes Kóspál, Péter Ábrahám, Hauyu Baobab Liu, Michihiro Takami
Published in: The Astrophysical Journal, Issue 882/1, 2019, Page(s) L4, ISSN 2041-8213
Publisher: IOP Science
DOI: 10.3847/2041-8213/ab39ea

A multiwavelength study of the debris disc around 49 Cet

Author(s): Nicole Pawellek, Attila Moór, Julien Milli, Ágnes Kóspál, Johan Olofsson, Péter Ábrahám, Miriam Keppler, Quentin Kral, Adriana Pohl, Jean-Charles Augereau, Anthony Boccaletti, Gaël Chauvin, Élodie Choquet, Natalia Engler, Thomas Henning, Maud Langlois, Eve J Lee, François Ménard, Philippe Thébault, Alice Zurlo
Published in: Monthly Notices of the Royal Astronomical Society, Issue 488/3, 2019, Page(s) 3507-3525, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stz1971

The outbursting protostar 2MASS 22352345 + 7517076 and its environment

Author(s): M Kun, P Ábrahám, J A Acosta Pulido, A Moór, T Prusti
Published in: Monthly Notices of the Royal Astronomical Society, Issue 483/4, 2018, Page(s) 4424-4437, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty3425

Episodic accretion in focus: revealing the environment of FU Orionis-type stars

Author(s): O. Fehér, Á. Kóspál, P. Ábrahám, M. R. Hogerheijde, Ch. Brinch, D. Semenov
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 87-90, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319002060

A mid-infrared interferometric survey of the planet-forming region around young Sun-like stars

Author(s): József Varga, Péter Ábrahám, Lei Chen, Thorsten Ratzka, K. É. Gabányi, Á. Kóspál
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 128-131, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319001625

Outbursts of young Sun-like stars may change how terrestrial planets form

Author(s): P. Ábrahám, Á. Kóspál, L. Chen, A. Carmona
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 185-188, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319001704

Spots, flares, accretion, and obscuration in the pre-main sequence binary DQ Tau

Author(s): Á. Kóspál, P. Ábrahám, G. Zsidi, K. Vida, R. Szabó, A. Moór, A. Pál
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 314-315, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319001583

Envelope-to-disk mass transport in the FUor-type young eruptive star V346 Normae

Author(s): Á. Kóspál, P. Ábrahám, O. Fehér, F. Cruz-Sáenz de Miera, M. Takami
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 320-321, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319001613

Global Protoplanetary Disk Simulations: Dead Zone Formation and FUor Outbursts

Author(s): Kundan Kadam, E. Vorobyov, Zs. Regály, Á. Kóspál, P. Ábráham
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 324-325, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319001650

Chemical modeling of FU Ori protoplanetary disks

Author(s): Tamara Molyarova, Vitaly Akimkin, Dmitry Semenov, Péter Ábrahám, Thomas Henning, Ágnes Kóspál, Eduard Vorobyov, Dmitri Wiebe
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 367-368, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319002230

Disks around FUor-type young eruptive stars with ALMA

Author(s): Fernando Cruz-Sáenz de Miera, Ágnes Kóspál, Péter Ábraham, Hauyu Baobab Liu, Michihiro Takami
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 369-370, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319002242

Time-variability and disk geometry in Herbig Ae/Be disks

Author(s): R. Szakáts, P. Ábrahám, Á. Kóspál
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 375-377, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319002588

Brightness variations of young Sun-like stars from ground-based and space telescopes

Author(s): G. Zsidi, Á. Kóspál, P. Ábrahám, R. Szabó, B. Cseh, K. Sárneczky, Á. Sódor, R. Szakáts, K. Vida, J. Vinkó
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 380-382, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319002837

An UXor among FUors: extinction-related brightness variations of the young eruptive star V582 Aur

Author(s): P. Ábrahám, Á. Kóspál, M. Kun, O. Fehér, G. Zsidi, J. A. Acosta-Pulido
Published in: Proceedings of the International Astronomical Union, Issue 14/S345, 2018, Page(s) 390-392, ISSN 1743-9213
Publisher: Cambridge University Press
DOI: 10.1017/s1743921319003041

V346 Nor: The Post-outburst Life of a Peculiar Young Eruptive Star

Author(s): Á. Kóspál, Zs. M. Szabó, P. Ábrahám, S. Kraus, M. Takami, P. W. Lucas, C. Contreras Peña, A. Udalski
Published in: The Astrophysical Journal, Issue 889/2, 2020, Page(s) 148, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab6174

An UXor among FUors: Extinction-related Brightness Variations of the Young Eruptive Star V582 Aur

Author(s): P. Ábrahám, Á. Kóspál, M. Kun, O. Fehér, G. Zsidi, J. A. Acosta-Pulido, M. I. Carnerero, D. García-Álvarez, A. Moór, B. Cseh, G. Hajdu, O. Hanyecz, J. Kelemen, L. Kriskovics, G. Marton, Gy. Mező, L. Molnár, A. Ordasi, G. Rodríguez-Coira, K. Sárneczky, Á. Sódor, R. Szakáts, E. Szegedi-Elek, A. Szing, A. Farkas-Takács, K. Vida, J. Vinkó
Published in: The Astrophysical Journal, Issue 853/1, 2018, Page(s) 28, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/aaa242

Gaia Data Release 3. Summary of the variability processing and analysis

Author(s): Eyer, L; Audard, M; Holl, B; Rimoldini, L; Carnerero, M; Clementini, G; De Ridder, J; Distefano, E; Evans, D; Gavras, P; Gomel, R; Lebzelter, T; Marton, G; Mowlavi, N; Panahi, A; Ripepi, V; Wyrzykowski, L; Nienartowicz, K; Jevardat de Fombelle, G; Lecoeur-Taibi, I; Rohrbasser, L; Riello, M; Garcia-Lario, P; Lanzafame, A; Mazeh, T; Raiteri, C; Zucker, S; Ábrahám, P; Aerts, C; Aguado, J; Anderson,
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A13, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202244242

Gaia Data Release 3. Pulsations in main sequence OBAF-type stars

Author(s): Gaia Collaboration; De Ridder, J; Ripepi, V; Aerts, C; Palaversa, L; Eyer, L; Holl, B; Audard, M; Rimoldini, L; Brown, A; Vallenari, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Ducourant, C; Evans, D; Guerra, R; Hutton, A; Jordi, C; Klioner, S; Lammers, U; Lindegren, L; Luri, X; Mignard, F; Panem, C; Pourbaix, D; Randich, S; Sartoretti, P; Soubiran, C; Tanga, P;
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A36, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243767

Evolution of dust in protoplanetary disks of eruptive stars

Author(s): E.I. Vorobyov, A.M. Skliarevskii, T. Molyarova, V. Akimkin, Y. Pavlyuchenkov, Á. Kóspál, H.B. Liu, M. Takami, A. Topchieva
Published in: Astronomy & Astrophysics, Issue 658, 2022, Page(s) 191, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202141932

Photometric and spectroscopic study of the burst-like brightening of two Gaia-alerted young stellar objects

Author(s): Zs. Nagy, P. Ábrahám, Á. Kóspál, S. Park, M. Siwak, F. Cruz-Sáenz de Miera, E. Fiorellino, D. García-Álvarez, Zs. M. Szabó, S. Antoniucci, T. Giannini, A. Giunta, L. Kriskovics, M. Kun, G. Marton, A. Moór, B. Nisini, A. Pál, L. Szabados, P. Zieliński, Ł. Wyrzykowski
Published in: Monthly Notices of the Royal Astronomical Society, Issue 515/2, 2022, Page(s) 1774-1787, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stac1915

Photometric and Spectroscopic Study of the EXor-like Eruptive Young Star Gaia19fct

Author(s): S. Park, Á. Kóspál, P. Ábrahám, F. Cruz-Sáenz de Miera, E. Fiorellino, M. Siwak, Z. Nagy, T. Giannini, Teresa , R. Carini, Z. M. Szabó, J.-E. Lee, J.-J. Lee, F. Vitali, M. Kun, B. Cseh, M. Krezinger, L. Kriskovics, A. Ordasi, A. Pál, R. Szakáts, K. Vida, J. Vinkó
Published in: The Astrophysical Journal, Issue 941/2, 2022, Page(s) 165, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/aca01e

Measuring Turbulent Motion in Planet-forming Disks with ALMA: A Detection around DM Tau and Nondetections around MWC 480 and V4046 Sgr

Author(s): Kevin Flaherty, A. Meredith Hughes, Jacob B. Simon, Chunhua Qi, Xue-ning Bai, Alyssa Bulatek, Sean M. Andrews, David J. Wilner, Agnes Kospal
Published in: The Astrophysical Journal, Issue 895/2, 2020, Page(s) 109, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab8cc5

The Effelsberg survey of FU Orionis and EX Lupi objects. I. Host environments of FUors and EXors traced by NH3

Author(s): Zs. M. Szabó, Y. Gong, Y. K. M. Menten, W. Yang, C.J. Cyganowski, Á. Kóspál, P. Ábrahám, A. Belloche, F. Wyrowski
Published in: Astronomy & Astrophysics, Issue 672, 2023, Page(s) A158, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202244911

Gaia Data Release 3. Exploring and mapping the diffuse interstellar band at 862 nm

Author(s): Gaia Collaboration; Schultheis, M; Zhao, H; Zwitter, T; Marshall, D; Drimmel, R; Fremat, Y; Bailer-Jones, C; Recio-Blanco, A; Kordopatis, G; de Laverny, P; Andrae, R; Dharmawardena, T; Fouesneau, M; Sordo, R; Brown, A; Vallenari, A; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Creevey, O; Ducourant, C; Evans, D; Eyer, L; Guerra, R; Hutton, A; Jordi, C; Klioner, S; Lammers, U; Li
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A40, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243283

Gaia Data Release 3. A golden sample of astrophysical parameters

Author(s): Gaia Collaboration; Creevey, O; Sarro, L; Lobel, A; Pancino, E; Andrae, R; Smart, R; Clementini, G; Heiter, U; Korn, A; Fouesneau, M; Fremat, Y; De Angeli, F; Vallenari, A; Harrison, D; Thevenin, F; Reyle, C; Sordo, R; Garofalo, A; Brown, A; Eyer, L; Prusti, T; de Bruijne, J; Arenou, F; Babusiaux, C; Biermann, M; Ducourant, C; Evans, D; Guerra, R; Hutton, A; Jordi, C; Klioner, S; Lammers, U; Linde
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A39, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243800

Accretion variability from minute to decade timescales in the classical T Tauri star CR Cha

Author(s): G. Zsidi, C. F. Manara, Á. Kóspál, G. A. J. Hussain, P. Ábrahám, E. Alecian, A. Bódi, A. Pál, P. Sarkis
Published in: Astronomy & Astrophysics, Issue 660, 2022, Page(s) 108, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202142203

PENELLOPE. IV. A comparison between optical forbidden lines and H2 UV lines in the Orion OB1b and σ-Ori associations

Author(s): M. Gangi, B. Nisini, C. F. Manara, K. France, S. Antoniucci, K. Biazzo, T. Giannini, G. J. Herczeg, J. M. Alcalá, A. Frasca, K. Maucó, J. Campbell-White, M. Siwak, L. Venuti, P. C. Schneider, Á. Kóspál, A. Caratti o Garatti, E. Fiorellino, E. Rigliaco, R. K. Yadav
Published in: Astronomy & Astrophysics, Issue 675, 2023, Page(s) A153, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202346543

A Study of Millimeter Variability in FUor Objects

Author(s): John Wendeborn, Catherine C. Espaillat, Enrique Macias, Orsolya Feher, A. Kospal, Lee Hartmann, Zhaohuan Zhu, Michael M. Dunham, Marina Kounkel
Published in: The Astrophysical Journal, Issue 897/1, 2020, Page(s) 54, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ab9304

An APEX Study of Molecular Outflows in FUor-type Stars

Author(s): F. Cruz-Sáenz de Miera, Á. Kóspál, P. Ábrahám, T. Csengeri, O. Fehér, R. Güsten, Th. Henning
Published in: The Astrophysical Journal, Issue 945/1, 2023, Page(s) 80, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/acb332

JWST/MIRI Spectroscopy of the Disk of the Young Eruptive Star EX Lup in Quiescence

Author(s): Á. Kóspál, P. Ábrahám, L. Diehl, A. Banzatti, J. Bouwman, L. Chen, F. Cruz-Sáenz de Miera, J. D. Green, Th. Henning, Ch. Rab
Published in: The Astrophysical Journal Letters, Issue 945/1, 2023, Page(s) L7, ISSN 2041-8213
Publisher: IOP Publishing
DOI: 10.3847/2041-8213/acb58a

Accretion Variability of the Multiple T Tauri System VW Cha

Author(s): G. Zsidi, E. Fiorellino, Á. Kóspál, P. Ábrahám, A. Bódi, G. Hussain, C. F. Manara, A. Pál
Published in: The Astrophysical Journal, Issue 941/2, 2022, Page(s) 177, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-4357/ac7229

TOI-1452 b: SPIRou and TESS Reveal a Super-Earth in a Temperate Orbit Transiting an M4 Dwarf

Author(s): Ch. Cadieux, R. Doyon, M. Plotnykov, G. Hébrard, F. Jahandar, É Artigau, D. Valencia, N. J. Cook, E. Martioli, Th. Vandal, J.-F. Donati, R. Cloutier, N. Narita, A. Fukui, T. Hirano, F. Bouchy, N. B. Cowan, E. J. Gonzales, D. R. Ciardi, K. G. Stassun, L. Arnold, B. Benneke, I. Boisse, X. Bonfils, A. Carmona, P. Cortés-Zuleta, X. Delfosse, Th. Forveille, P. Fouqué, J. Gomes da Silva, J. M. Jenki
Published in: The Astronomical Journal, Issue 164/3, 2022, Page(s) 96, ISSN 1538-4357
Publisher: IOP Publishing
DOI: 10.3847/1538-3881/ac7cea

Gaia Data Release 3. Stellar multiplicity, a teaser for the hidden treasure

Author(s): Gaia Collaboration; Arenou, F; Babusiaux, C; Barstow, M; Faigler, S; Jorissen, A; Kervella, P; Mazeh, T; Mowlavi, N; Panuzzo, P; Sahlmann, J; Shahaf, S; Sozzetti, A; Bauchet, N; Damerdji, Y; Gavras, P; Giacobbe, P; Gosset, E; Halbwachs, J; Holl, B; Lattanzi, M; Leclerc, N; Morel, T; Pourbaix, D; Re Fiorentin, P; Sadowski, G; Segransan, D; Siopis, C; Teyssier, D; Zwitter, T; Planquart, L; Brown, A;
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A34, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202243782

A Gap at 1 au in the Disk of DI Cha A Revealed by Infrared Interferometry

Author(s): T. Juhász, P. Ábrahám, A. Moór, L. Chen, Á. Kóspál, J. Varga, Zs. Regály, G. Zsidi, A. Pál
Published in: The Astrophysical Journal, Issue 932/2, 2022, Page(s) 79, ISSN 1538-4357
Publisher: IOP Science
DOI: 10.3847/1538-4357/ac6dee

The circumstellar environment of EX Lupi: SPHERE and SINFONI views

Author(s): E. Rigliaco, R. Gratton, A. Kospal, D. Mesa, V. D'Orazi, P. Abraham, S. Desidera, C. Ginski, R. G. van Holstein, C. Dominik, A. Garufi, T. Henning, F. Menard, A. Zurlo, A. Baruffolo, D. Maurel, P. Blanchard, L. Weber
Published in: Astronomy & Astrophysics, Issue 641, 2020, Page(s) 33, ISSN 1432-0746
Publisher: EDP Sciences
DOI: 10.1051/0004-6361/202038337

Grain Growth in Newly Discovered Young Eruptive Stars

Author(s): Á. Kóspál, P. Ábrahám, A. Carmona, L. Chen, J. D. Green, R. van Boekel, J. A. White
Published in: The Astrophysical Journal Letters, Issue 895/2, 2020, Page(s) L48, ISSN 2041-8213
Publisher: IOP Science
DOI: 10.3847/2041-8213/ab93d4

The Young Binary DQ Tau Produces Another X-Ray Flare Near Periastron

Author(s): K. V. Getman, V. V. Akimkin, N. Arulanantham, Á Kóspál, D. A. Semenov, G. V. Smirnov-Pinchukov, S. E. van Terwisga
Published in: Research Notes of the AAS, Issue 6/3, 2022, Page(s) 64, ISSN 2515-5172
Publisher: IOP Publishing
DOI: 10.3847/2515-5172/ac618a

Az optikai interferometria 100 éve a csillagászatban • 100 Years of Optical Interferometry in Astronomy

Author(s): Ágnes Kóspál
Published in: Magyar Tudomány, Issue 181, 2020, Page(s) 1636-1647, ISSN 1588-1245
Publisher: Akadémiai Kiadó
DOI: 10.1556/2065.181.2020.12.7

Detection of a Disk Surrounding the Variably Accreting Young Star HBC722

Author(s): Xi Yek (Zach), Michael M. Dunham, Héctor G. Arce, Tyler L. Bourke, Xuepeng Chen, Joel D. Green, Ágnes Kóspál, and Steven N. Longmore
Published in: Research Notes of the AAS, Issue 4/9, 2020, Page(s) 155, ISSN 2515-5172
Publisher: IOP Science
DOI: 10.3847/2515-5172/abb813

Increasing Accretion in the Young Eruptive Star EX Lup

Author(s): Á. Kóspál; E. Fiorellino; P. Ábrahám; T. Giannini; B. Nisini
Published in: Research Notes of the AAS, Issue 6/3, 2022, Page(s) 52, ISSN 2515-5172
Publisher: IOP Publishing
DOI: 10.3847/2515-5172/ac5e3c

A photometric study of the ULLYSES/PENELLOPE T Tauri star sample in Ori OB1 and Ori: the accretion process at the highest time resolution

Author(s): Ábrahám, Péter; Kóspál, Ágnes; Frasca, Antonio; Herczeg, Greg; Hillenbrand, Lynne A.; Manara, Carlo F.; Siwak, Michal; Walter, Fred M.
Published in: The 21st Cambridge workshop on Cool Stars, Stellar Systems, and the Sun (CS21), Toulouse, France, 04-08 July 2022, 2022
Publisher: Zenodo
DOI: 10.5281/zenodo.7508412

Investigation of inner disc dynamics and final stages of accretion in young eruptive stars

Author(s): Michal Siwak, Zsofia Szabo, Agnes Kospal
Published in: Star Formation: From Clouds to Discs - A Tribute to the Career of Lee Hartmann, Ireland, 18-22 October, 2021, 2021
Publisher: Dublin Institute for Advanced Studies
DOI: 10.5281/zenodo.5570265

Accretion on the eccentric binary system DQ Tau

Author(s): Eleonora Fiorellino, Sunkyung Park, Ágnes Kóspál, Péter Ábrahám
Published in: Star Formation: From Clouds to Discs - A Tribute to the Career of Lee Hartmann, Ireland, 18-22 October, 2021, 2021
Publisher: Dublin Institute for Advanced Studies
DOI: 10.5281/zenodo.5558887

Mass transport in the FUor-candidate system Haro 5a IRS in Orion

Author(s): Á. Kóspál, F. Cruz-Sáenz de Miera, P. Ábrahám, M. Takami
Published in: Take a Closer Look, 15-19 October, 2018 in ESO-HQ, 2018, Page(s) 87
Publisher: ESO
DOI: 10.5281/zenodo.1488942

A high spatial resolution view of the silicates in young eruptive stars

Author(s): P. Ábrahám, K. É. Gabányi, J. Varga, L. Chen, T. Gerják, Á. Kóspál, J. A. White
Published in: Take a Closer Look, 15-19 October, 2018 in ESO-HQ, 2018, Page(s) 55
Publisher: ESO
DOI: 10.5281/zenodo.1488878

Spectral evolution and radial dust transport in the disk of the prototype young eruptive star EX Lup

Author(s): L. Chen, P. Ábrahám, Á. Kóspál, A. Carmona, R. van Boekel
Published in: Take a Closer Look, 15-19 October, 2018 in ESO-HQ, 2018, Page(s) 67
Publisher: ESO
DOI: 10.5281/zenodo.1488902

Decreasing accretion and outflow in the peculiar eruptive young star V899 Mon

Author(s): Sunkyung Park, Ágnes Kóspál, Fernando Cruz-Sáenz de Miera, Michał Siwak
Published in: Star Formation: From Clouds to Discs - A Tribute to the Career of Lee Hartmann, Ireland, 18-22 October, 2021, 2021
Publisher: Dublin Institute for Advanced Studies
DOI: 10.5281/zenodo.5569071

Accretion Variability as a Guide to Stellar Mass Assembly

Author(s): W. J. Fischer, L. A. Hillenbrand, G. J. Herczeg, D. Johnstone, Á. Kóspál, M. M. Dunham
Published in: Protostars and Planets VII, ASP Conference Series, Issue 534, 2023, Page(s) 355
Publisher: Astronomical Society of the Pacific
DOI: 10.48550/arxiv.2203.11257

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