Explaining the winds of cool giant and supergiant stars with global 3D models

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Pubblicazioni

Distance estimates for AGB stars from parallax measurements

Autori: M. Andriantsaralaza, S. Ramstedt, W. H. T. Vlemmings, E. De Beck
Pubblicato in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202243670

A new dimension in the variability of AGB stars: Convection patterns size changes with pulsation

Autori: A. Rosales-Guzmán, J. Sanchez-Bermudez, C. Paladini, B. Freytag, M. Wittkowski, A. Alberdi, F. Baron, J.-P. Berger, A. Chiavassa, S. Höfner, A. Jorissen, P. Kervella, J.-B. Le Bouquin, P. Marigo, M. Montargès, M. Trabucchi, S. Tsvetkova, R. Schödel, S. Van Eck
Pubblicato in: Astronomy & Astrophysics, Numero 688, 2024, Pagina/e A124, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202349112

Is Betelgeuse Really Rotating? Synthetic ALMA Observations of Large-scale Convection in 3D Simulations of Red Supergiants

Autori: Jing-Ze 竟泽 Ma 马, Andrea Chiavassa, Selma E. de Mink, Ruggero Valli, Stephen Justham, Bernd Freytag
Pubblicato in: The Astrophysical Journal Letters, Numero 962, 2024, Pagina/e L36, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad24fd

Probing the Extended Atmospheres of AGB Stars. I. Synthetic Imaging of 1D Hydrodynamical Models at Radio and (Sub-)millimeter Wavelengths

Autori: Behzad Bojnordi Arbab, Wouter Vlemmings, Theo Khouri, Susanne Höfner
Pubblicato in: The Astrophysical Journal, Numero 976, 2024, Pagina/e 138, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/ad83b8

VLTI-GRAVITY measurements of cool evolved stars

Autori: Daniel Jadlovský, Markus Wittkowski, Andrea Chiavassa, Kateryna Kravchenko, Bernd Freytag, Susanne Höfner, Jiří Krtička, Claudia Paladini, Gioia Rau, Miroslav Brož, Thomas Granzer, Michael Weber
Pubblicato in: Astronomy & Astrophysics, Numero 711, 2026, Pagina/e A259, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202659237

The impact of third dredge-up on the mass loss of Mira variables

Autori: S. Uttenthaler, S. Shetye, A. Nanni, B. Aringer, K. Eriksson, I. McDonald, D. Gobrecht, S. Höfner, U. Wolter, S. Cristallo, K. Bernhard
Pubblicato in: Astronomy & Astrophysics, Numero 690, 2024, Pagina/e A393, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202451708

Spatial distribution of organics in the Horsehead nebula: Signposts of chemistry driven by atomic carbon

Autori: Claudio Hernández-Vera, Viviana V. Guzmán, Jérôme Pety, Ka Tat Wong, Javier R. Goicoechea, Franck Le Petit, Maryvonne Gerin, Aquiles den Braber, John M. Carpenter, Vincent Maillard, Emeric Bron, Pierre Gratier, Evelyne Roueff
Pubblicato in: Astronomy & Astrophysics, Numero 707, 2026, Pagina/e A120, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202557383

New sub-millimetre HCN lasers in carbon-rich evolved stars

Autori: W. Yang, K. T. Wong, H. Wiesemeyer, K. M. Menten, Y. Gong, J. Cernicharo, E. De Beck, B. Klein, C. A. Durán
Pubblicato in: Astronomy & Astrophysics, Numero 696, 2025, Pagina/e A60, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202453136

Direct imaging of mass transfer and circumcompanion structures in π 1 Gru with VLTI/MATISSE

Autori: J. Drevon, C. Paladini, S. Höfner, L. Planquart, L. Siess, A. Jorissen, M. Montargés, W. Vlemmings, T. Khouri, H. Olofsson, J. Alonso-Hernandez, E. De Beck, J. P. Fonfria, J. Hron, A. Matter, N. Nardetto, K. Ohnaka, C. Sanchez-Contreras, G. Weigelt, M. Wittkowski, B. Bojnordi Arbab, B. Aringer, F. Baron, A. Chiavassa, P. Cruzalébes, W. C. Danchi, F. Kerschbaum, J. Leftley, E. Lagadec, B. Lopez,
Pubblicato in: Astronomy & Astrophysics, Numero 706, 2026, Pagina/e L1, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202558298

Multi-mode pulsations in AGB stars: Insights from 3D RHD CO5BOLD simulations

Autori: A. Ahmad, B. Freytag, S. Höfner
Pubblicato in: Astronomy & Astrophysics, Numero 699, 2025, Pagina/e A148, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202554160

ATOMIUM: inner circumstellar envelopes of oxygen-rich AGB stars as revealed by highly excited SiO lines

Autori: B Pimpanuwat, S Etoka, M D Gray, A M S Richards, A Baudry, F Herpin, T Danilovich, L Decin, M O Lewis, I El Mellah, C A Gottlieb, Y Mori, H S P Müller, R Sahai, K T Wong, J A Yates, A Zijlstra
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 549, 2026, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stag888

Evidence for the Keplerian orbit of a close companion around a giant star

Autori: Mats Esseldeurs, Leen Decin, Joris De Ridder, Yoshiya Mori, Amanda I. Karakas, Jolien Malfait, Taíssa Danilovich, Stéphane Mathis, Anita M. S. Richards, Raghvendra Sahai, Jeremy Yates, Marie Van de Sande, Maarten Baes, Alain Baudry, Jan Bolte, Thomas Ceulemans, Frederik De Ceuster, Ileyk El Mellah, Sandra Etoka, Carl Gottlieb, Fabrice Herpin, Pierre Kervella, Camille Landri, Louise Marinho, Iain
Pubblicato in: Nature Astronomy, Numero 10, 2026, Pagina/e 124-143, ISSN 2397-3366
Editore: Springer Science and Business Media LLC
DOI: 10.1038/s41550-025-02697-2

An impressionist view of V Hydrae

Autori: L. Planquart, C. Paladini, A. Jorissen, A. Escorza, E. Pantin, J. Drevon, B. Aringer, F. Baron, A. Chiavassa, P. Cruzalèbes, W. Danchi, E. De Beck, M. A. T. Groenewegen, S. Höfner, J. Hron, T. Khouri, B. Lopez, F. Lykou, M. Montarges, N. Nardetto, K. Ohnaka, H. Olofsson, G. Rau, A. Rosales-Guzmán, J. Sanchez-Bermudez, P. Scicluna, L. Siess, F. Thévenin, S. Van Eck, W. H. T. Vlemmings, G. Weige
Pubblicato in: Astronomy & Astrophysics, Numero 687, 2024, Pagina/e A306, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202348226

Retrieving stellar parameters and dynamics of AGB stars with Gaia parallax measurements and CO5BOLD RHD simulations

Autori: E. Béguin, A. Chiavassa, A. Ahmad, B. Freytag, S. Uttenthaler
Pubblicato in: Astronomy & Astrophysics, Numero 690, 2024, Pagina/e A125, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202450245

Synthetic photometry for carbon-rich giants. V. Effects of grain-size-dependent dust opacities

Autori: K. Eriksson, S. Höfner, B. Aringer
Pubblicato in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202245206

High-angular-resolution ALMA imaging of the inhomogeneous dynamical atmosphere of the asymptotic giant branch star W Hya

Autori: K. Ohnaka, K. T. Wong, G. Weigelt, K.-H. Hofmann
Pubblicato in: Astronomy & Astrophysics, Numero 704, 2025, Pagina/e A18, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202554900

DEATHSTAR—CO Envelope Size and Asymmetry of Nearby AGB Stars

Autori: Miora Andriantsaralaza; Wouter Vlemmings; Sofia Ramstedt; Elvire De Beck
Pubblicato in: Galaxies vol.10(2022), 2022, ISSN 2075-4434
Editore: MDPI
DOI: 10.3390/galaxies10010033

Mid-infrared JWST Spectra of Carbon Stars in the Large Magellanic Cloud

Autori: G. C. Sloan, B. Aringer, Kathleen E. Kraemer, J. Cami, K. Eriksson, S. Höfner, K. Justtanont, E. Lagadec, Paola Marigo, M. Matsuura, I. McDonald, E. J. Montiel, R. Sahai, A. A. Zijlstra
Pubblicato in: The Astrophysical Journal, Numero 1002, 2026, Pagina/e 115, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/ae5a24

DEATHSTAR: nearby AGB stars with the Atacama Compact Array II. CO envelope sizes and asymmetries: the S-type stars

Autori: M. Andriantsaralaza, S. Ramstedt, W. H. T. Vlemmings, T. Danilovich, E. De Beck, M. A. T. Groenewegen, S. Höfner, F. Kerschbaum, T. Khouri, M. Lindqvist, M. Maercker, H. Olofsson, G. Quintana-Lacaci, M. Saberi, R. Sahai and A. Zijlstra
Pubblicato in: Astronomy and Astrophysics, 2021, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202140952

Global 3D radiation-hydrodynamical models of AGB stars with dust-driven winds

Autori: B. Freytag, S. Höfner
Pubblicato in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202244992

Properties of self-excited pulsations in 3D simulations of AGB stars and red supergiants

Autori: A. Ahmad, B. Freytag, S. Höfner
Pubblicato in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202244555

Dynamic atmosphere and wind models of C-type asymptotic giant branch stars. Influences of dust optical data on mass loss and observables

Autori: E. Siderud, K. Eriksson, S. Höfner, S. Bladh
Pubblicato in: Astronomy & Astrophysics, 2025, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202347642

ATOMIUM: Probing the inner wind of evolved O-rich stars with new, highly excited H2O and OH lines

Autori: A. Baudry, K. T. Wong, S. Etoka, A. M. S. Richards, H. S. P. Müller, F. Herpin, T. Danilovich, M. D. Gray, S. Wallström, D. Gobrecht, T. Khouri, L. Decin, C. A. Gottlieb, K. M. Menten, W. Homan, T. J. Millar, M. Montargès, B. Pimpanuwat, J. M. C. Plane, P. Kervella
Pubblicato in: Astronomy and Astrophysics, 2023, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202245193

Chemical tracers of a highly eccentric AGB–main-sequence star binary

Autori: T. Danilovich, J. Malfait, M. Van de Sande, M. Montargès, P. Kervella, F. De Ceuster, A. Coenegrachts, T. J. Millar, A. M. S. Richards, L. Decin, C. A. Gottlieb, C. Pinte, E. De Beck, D. J. Price, K. T. Wong, J. Bolte, K. M. Menten, A. Baudry, A. de Koter, S. Etoka, D. Gobrecht, M. Gray, F. Herpin, M. Jeste, E. Lagadec, S. Maes, I. McDonald, L. Marinho, H. S. P. Müller, B. Pimpanuwat, J. M. C. P
Pubblicato in: Nature Astronomy, Numero 8, 2024, Pagina/e 308-327, ISSN 2397-3366
Editore: Springer Science and Business Media LLC
DOI: 10.1038/s41550-023-02154-y

ATOMIUM: Continuum emission and evidence of dust enhancement from binary motion

Autori: T. Danilovich, N. Samaratunge, Y. L. Mori, A. M. S. Richards, A. Baudry, S. Etoka, M. Montargès, P. Kervella, I. McDonald, C. A. Gottlieb, A. Wallace, D. J. Price, L. Decin, J. Bolte, T. Ceulemans, F. De Ceuster, A. de Koter, D. Dionese, I. El Mellah, M. Esseldeurs, M. Gray, F. Herpin, T. Khouri, E. Lagadec, C. Landri, L. Marinho, K. M. Menten, T. J. Millar, H. S. P. Müller, B. Pimpanuwat, J. M.
Pubblicato in: Astronomy & Astrophysics, Numero 704, 2025, Pagina/e A341, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202554878

An accreting dwarf star orbiting the S-type giant star π1 Gru

Autori: M. Montargès, J. Malfait, M. Esseldeurs, A. de Koter, F. Baron, P. Kervella, T. Danilovich, A. M. S. Richards, R. Sahai, I. McDonald, T. Khouri, S. Shetye, A. Zijlstra, M. Van de Sande, I. El Mellah, F. Herpin, L. Siess, S. Etoka, D. Gobrecht, L. Marinho, S. H. J. Wallström, K. T. Wong, J. Yates
Pubblicato in: Astronomy & Astrophysics, Numero 699, 2025, Pagina/e A22, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202452587

Probing red supergiant dynamics through photo-center displacements measured by Gaia

Autori: A. Chiavassa, R. Kudritzki, B. Davies, B. Freytag, S. E. de Mink
Pubblicato in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202243568

ALMA High-frequency Long Baseline Campaign in 2021: Highest Angular Resolution Submillimeter Wave Images for the Carbon-rich Star R Lep

Autori: Yoshiharu Asaki, Luke T. Maud, Harold Francke, Hiroshi Nagai, Dirk Petry, Edward B. Fomalont, Elizabeth Humphreys, Anita M. S. Richards, Ka Tat Wong, William Dent, Akihiko Hirota, Jose Miguel Fernandez, Satoko Takahashi, Antonio S. Hales
Pubblicato in: The Astrophysical Journal, Numero 958, 2024, Pagina/e 86, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/acf619

Atmosphere of Betelgeuse before and during the Great Dimming event revealed by tomography

Autori: K. Kravchenko, A. Jorissen, S. Van Eck, T. Merle, A. Chiavassa, C. Paladini, B. Freytag, B. Plez, M. Montargès, H. Van Winckel
Pubblicato in: Astronomy and Astrophysics, 2021, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202039801

Dimming events of evolved stars due to clouds of molecular gas

Autori: Bernd Freytag, Susanne Höfner, Bernhard Aringer, Andrea Chiavassa
Pubblicato in: Astronomy & Astrophysics, Numero 692, 2024, Pagina/e A223, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202450829

An extensive grid of DARWIN models for M-type AGB stars

Autori: E. Siderud, K. Eriksson, S. Höfner, A. Ahmad
Pubblicato in: Astronomy & Astrophysics, Numero 713, 2026, Pagina/e A210, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202660957

Asymmetries in asymptotic giant branch stars and their winds

Autori: Joachim Wiegert, Bernd Freytag, Susanne Höfner
Pubblicato in: Astronomy & Astrophysics, Numero 690, 2024, Pagina/e A162, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202450077

Dynamic atmospheres and winds of cool luminous giants. II. Gradual Fe enrichment of wind-driving silicate grains

Autori: S. Höfner, S. Bladh, B. Aringer, K. Eriksson
Pubblicato in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202141224

Temporal Changes in the Infrared Spectra of Magellanic Carbon Stars

Autori: G. C. Sloan, K. E. Kraemer, B. Aringer, J. Cami, K. Eriksson, S. Höfner, E. Lagadec, M. Matsuura, I. McDonald, E. Montiel, R. Sahai, A. A. Zijlstra
Pubblicato in: Galaxies, Numero 12, 2025, Pagina/e 61, ISSN 2075-4434
Editore: MDPI AG
DOI: 10.3390/galaxies12050061

X TrA through the eyes of MATISSE: More evidence of clumpy molecular layers around C-type asymptotic giant branch stars

Autori: V. Răstău, C. Paladini, J. Drevon, J. Hron, F. Kerschbaum, M. Wittkowski, J. P. Fonfria, M. Montargès, T. Khouri, W. Vlemmings, H. Olofsson, K. Ohnaka, J. Alonso-Hernandez, C. Sánchez Contreras, L. Velilla-Prieto, W. C. Danchi, G. Rau, F. Lykou, J. Sanchez-Bermudez, B. Lopez, S. Höfner, B. Aringer, L. Planquart, P. Cruzalèbes, G. Weigelt
Pubblicato in: Astronomy & Astrophysics, Numero 705, 2026, Pagina/e A127, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202557477

ATOMIUM: Molecular inventory of 17 oxygen-rich evolved stars observed with ALMA

Autori: S. H. J. Wallström, T. Danilovich, H. S. P. Müller, C. A. Gottlieb, S. Maes, M. Van de Sande, L. Decin, A. M. S. Richards, A. Baudry, J. Bolte, T. Ceulemans, F. De Ceuster, A. de Koter, I. El Mellah, M. Esseldeurs, S. Etoka, D. Gobrecht, E. Gottlieb, M. Gray, F. Herpin, M. Jeste, D. Kee, P. Kervella, T. Khouri, E. Lagadec, J. Malfait, L. Marinho, I. McDonald, K. M. Menten, T. J. Millar, M. Monta
Pubblicato in: Astronomy & Astrophysics, Numero 681, 2024, Pagina/e A50, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202347632

The extended atmosphere and circumstellar environment of the cool evolved star VX Sagittarii as seen by MATISSE

Autori: A. Chiavassa, K. Kravchenko, M. Montargès, F. Millour, A. Matter, B. Freytag, M. Wittkowski, V. Hocdé, P. Cruzalèbes, F. Allouche, B. Lopez, S. Lagarde, R. G. Petrov, A. Meilland, S. Robbe-Dubois, K.-H. Hofmann, G. Weigelt, P. Berio, P. Bendjoya, F. Bettonvil, A. Domiciano de Souza, M. Heininger, Th. Henning, J. W. Isbell, W. Jaffe, L. Labadie, M. Lehmitz, K. Meisenheimer, A. Soulain, J. Varga,
Pubblicato in: Astronomy and Astrophysics, 2022, ISSN 0004-6361
Editore: Springer Verlag
DOI: 10.1051/0004-6361/202142514

Models of C-type AGB Stars: Dust Opacities and Wind Properties

Autori: E. Siderud, S. Höfner, S. Bladh, K. Eriksson
Pubblicato in: IAU Symposium 366: The Origin of Outflows in Evolved Stars, Zenodo Community, 2021
Editore: Zenodo
DOI: 10.5281/zenodo.6372669

Dynamic atmospheres and winds of AGB and RSG stars: 3D structures and mass loss

Autori: S. Höfner, B. Freytag, J. Wiegert, E. Siderud, K. Eriksson
Pubblicato in: The 23rd Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (Zenodo community), 2026
Editore: Zenodo
DOI: 10.5281/zenodo.20554650

Plasma effects in models of winds from cool evolved stars

Autori: M. André, K. Eriksson, S. Höfner, B. Freytag
Pubblicato in: The 23rd Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (Zenodo Community), 2026
Editore: Zenodo
DOI: 10.5281/zenodo.20702169

Self-emergent multi-mode pulsations in AGB stars from 3D CO5BOLD simulations

Autori: Arief Ahmad, Bernd Freytag, Susanne Höfner
Pubblicato in: The 23rd Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (Zenodo community), 2026
Editore: Zenodo
DOI: 10.5281/zenodo.20589194

Self-excited Pulsations of AGB and RGB Stars in Global 3D Models

Autori: A. Ahmad, B. Freytag, Susanne Höfner
Pubblicato in: IAU Symposium 366: The Origin of Outflows in Evolved Stars, Zenodo Community, 2021
Editore: Zenodo
DOI: 10.5281/zenodo.6372410

Explaining the winds of AGB stars: Recent progress

Autori: S. Höfner, B. Freytag
Pubblicato in: The Origin of Outflows in Evolved Stars, Proceedings of IAU Symposium 366, 2022
Editore: Cambridge University Press
DOI: 10.1017/s1743921322000199

Rydberg transition lines in the red supergiant Antares

Autori: Ka Tat Wong, Keiichi Ohnaka
Pubblicato in: The 23rd Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (Zenodo community), 2026
Editore: Zenodo
DOI: 10.5281/zenodo.20541746

Dust-driven mass loss from RSG stars: global 3D RHD models

Autori: Susanne Höfner, Bernd Freytag
Pubblicato in: The 23rd Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun (Zenodo Community), 2026
Editore: Zenodo
DOI: 10.5281/zenodo.22083018

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