Earth-like Planet Imaging with Cognitive computing

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

The Talbot effect's impact on the high contrast imaging modes of METIS

Author(s): André Boné, Tibor Agócs, Olivier Absil, Christian Delacroix, António Amorim, Jeff Lynn
Published in: Proc. SPIE, Issue 11451, 2020
Publisher: SPIE
DOI: 10.1117/12.2570380

The High-contrast End-to-End Performance Simulator (HEEPS): influence of ELT/METIS instrumental effects

Author(s): Christian Delacroix, Olivier Absil, Gilles Orban de Xivry, Muskan Shinde, Prashant Pathak, Faustine Cantalloube, Brunella Carlomagno, Valentin Christiaens, André Boné, Dennis Dolkens, Matthew Kenworthy, David Doelman
Published in: Proc. SPIE, Issue 12187, 2022
Publisher: SPIE
DOI: 10.1117/12.2630341

Vortex coronagraph: revisiting the phase retrieval properties via Zernike analysis

Author(s): Gilles Orban de Xivry, Olivier Absil
Published in: Adaptive Optics Systems IX, 2024, Page(s) 291, ISBN 978-1-5106-7517-9
Publisher: SPIE
DOI: 10.1117/12.3019164

ALF: an asymmetric Lyot wavefront sensor for the ELT/METIS vortex coronagraph

Author(s): Gilles Orban de Xivry, Olivier Absil, Christian Delacroix, Prashant Pathak, Maxime Quesnel, Thomas Bertram
Published in: Adaptive Optics Systems IX, 2024, Page(s) 290, ISBN 978-1-5106-7517-9
Publisher: SPIE
DOI: 10.1117/12.3019159

A simulator-based autoencoder for focal plane wavefront sensing

Author(s): Maxime Quesnel, Gilles Orban de Xivry, Olivier Absil, Gilles Louppe
Published in: Proc. SPIE, Issue 12185, 2022
Publisher: SPIE
DOI: 10.1117/12.2629476

The VLT/ERIS vortex coronagraph: design, pointing control, and on-sky performance

Author(s): Gilles Orban de Xivry, Olivier Absil, Robert De Rosa, Markus Bonse, Felix Dannert, Jean Hayoz, Paolo Grani, Alfio Puglisi, Andrea Baruffolo, Bernardo Salasnich, Ric Davies, Adrian M. Glauser, Elsa Huby, Matt Kenworthy, Sascha P. Quanz, William Taylor, Gérard Zins
Published in: Adaptive Optics Systems IX, 2024, Page(s) 42, ISBN 978-1-5106-7517-9
Publisher: SPIE
DOI: 10.1117/12.3018265

Exoplanet imaging data challenge, phase II: comparison of algorithms in terms of characterization capabilities

Author(s): Faustine Cantalloube, Valentin Christiaens, Carlos Cantero, Anthony Cioppa, Evert Nasedkin, Olivier Absil, Philippe Delorme, Jason J. Wang, Markus Bonse, Hazan Daglayan Sevim, Carl-Henrik Dahlqvist, Nathan Guyot, Sandrine Juillard, Johan Mazoyer, Matthias Samland, Mariam Sabalbal, Jean-Baptiste Ruffio, Marc Van Droogenbroeck
Published in: Adaptive Optics Systems IX, 2024, Page(s) 40, ISSN 0277-786X
Publisher: SPIE
DOI: 10.1117/12.3020278

Exoplanet imaging data challenge, phase II: characterization of exoplanet signals in high-contrast images

Author(s): F. Cantalloube, V. Christiaens, C. Cantero, E. Nasedkin, A. Cioppa, O. Absil, J. M. Bonse, P. Delorme, C. Gomez-Gonzalez, S. Juillard, J. Mazoyer, M. Samland, J.-B. Ruffio, M. Van Droogenbroeck
Published in: Proc. SPIE, Issue 12185, 2022
Publisher: SPIE
DOI: 10.1117/12.2627968

Prospects for metasurfaces in exoplanet direct imaging systems: from principles to design

Author(s): Skyler Palatnick, Lorenzo König, Maxwell Millar-Blanchaer, James K. Wallace, Olivier Absil, Dimitri Mawet, Niyati Desai, Daniel Echeverri, Demis John, Jon A. Schuller
Published in: Techniques and Instrumentation for Detection of Exoplanets XI, 2023, Page(s) 26, ISSN 0277-786X
Publisher: SPIE
DOI: 10.1117/12.2677834

Exoplanet imaging data challenge: benchmarking the various image processing methods for exoplanet detection

Author(s): F. Cantalloube, C. Gomez-Gonzalez, O. Absil, C. Cantero, R. Bacher, M. J. Bonse, M. Bottom, C.-H. Dahlqvist, C. Desgrange, O. Flasseur, T. Fuhrmann, Th. Henning, R. Jensen-Clem, M. Kenworthy, D. Mawet, D. Mesa, T. Meshkat, D. Mouillet, A. Müller, E. Nasedkin, B. Pairet, S. Piérard, J.-B. Ruffio, M. Samland, J. Stone, M. Van Droogenbroeck
Published in: Proc. SPIE, Issue 11448, 2020
Publisher: SPIE
DOI: 10.1117/12.2574803

Metasurface-based scalar vortex phase mask in pursuit of 1e-10 contrast

Author(s): Lorenzo König, Skyler Palatnick, Niyati Desai, Olivier Absil, Maxwell Millar-Blanchaer, Dimitri Mawet
Published in: Techniques and Instrumentation for Detection of Exoplanets XI, 2023, Page(s) 27, ISSN 0277-786X
Publisher: SPIE
DOI: 10.1117/12.2676174

Deep learning-based focal plane wavefront sensing for classical and coronagraphic imaging

Author(s): Maxime Quesnel, Gilles Orban de Xivry, Gilles Louppe, Olivier Absil
Published in: Proc. SPIE, Issue 11448, 2020
Publisher: SPIE
DOI: 10.1117/12.2562456

High contrast imaging with ELT/METIS: The wind driven halo, from SPHERE to METIS

Author(s): F. Cantalloube, O. Absil, T. Bertram, W. Brandner, C. Delacroix, M. Feldt, M. A. Kenworthy, M. Kulas, J. Milli, P. Neureuther, G. Orban de Xivry, P. Pathak, E. Por, S. Scheithauer, H. Steuer, R. van Boekel
Published in: AO4ELT6 Conference Proceedings, 2019
Publisher: AO4ELT6

Characterizing the performance of the SPHERE exoplanet imager at the Very Large Telescope using deep learning

Author(s): Ludo Bissot, Julien Milli, Élodie Choquet, Faustine Cantalloube, Philippe Delorme, David Mouillet, Gilles Louppe, Olivier Absil
Published in: Adaptive Optics Systems IX, 2024, Page(s) 202, ISSN 0277-786X
Publisher: SPIE
DOI: 10.1117/12.3020236

An N-band test bench for the METIS coronagraphic masks

Author(s): Samuel Ronayette, Salima Mouzali, Jean-Christophe Barrière, Éric Pantin, Thierry Orduna, Pascal Gallais, Michel Lortholary, Luc Dumaye, Olivier Absil, Christian Delacroix, Derek Ives, Mikael Karlsson
Published in: Proc. SPIE, Issue 11447, 2020
Publisher: SPIE
DOI: 10.1117/12.2562261

Design and prototyping of broadband metasurface scalar phase masks for high-contrast imaging

Author(s): Lorenzo König, Skyler Palatnick, Niyati Desai, Olivier Absil, Dimitri Mawet, Max A. Millar-Blanchaer, Tobias Wenger, Eugene Serabyn
Published in: Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 2024, Page(s) 77, ISSN 0277-786X
Publisher: SPIE
DOI: 10.1117/12.3020488

Modeling the vortex center glow in the ELT/METIS vortex coronagraph

Author(s): Muskan Shinde, Christian Delacroix, Gilles Orban de Xivry, Olivier Absil, Roy van Boekel
Published in: Proc. SPIE, Issue 12187, 2022
Publisher: SPIE
DOI: 10.1117/12.2629855

Impact of water vapor seeing on mid-infrared high-contrast imaging at ELT scale

Author(s): Olivier Absil, Christian Delacroix, Gilles Orban de Xivry, Prashant Pathak, Matthew Willson, Philippe Berio, Roy van Boekel, Alexis Matter, Denis Defrère, Leo Burtscher, Julien Woillez, Bernhard Brandl
Published in: Proc. SPIE, Issue 12185, 2022
Publisher: SPIE
DOI: 10.1117/12.2627972

METIS high-contrast imaging: from final design to manufacturing and testing

Author(s): Olivier Absil, Matthew Kenworthy, Christian Delacroix, Gilles Orban de Xivry, Lorenzo König, Prashant Pathak, David Doelman, Emiel Por, Frans Snik, Joost van den Born, Faustine Cantalloube, Alexis Carlotti, Benjamin Courtney-Barrer, Pontus Forsberg, Mikael Karlsson, Thomas Bertram, Roy van Boekel, Dennis Dolkens, Markus Feldt, Adrian M. Glauser, Eric Pantin, Sascha P. Quanz, Felix Bettonvil, Bern
Published in: Ground-based and Airborne Instrumentation for Astronomy X, 2024, Page(s) 192, ISBN 978-1-5106-7515-5
Publisher: SPIE
DOI: 10.1117/12.3019692

Vortex phase masks of topological charge 4 and higher with diamond subwavelength gratings

Author(s): Lorenzo König, Olivier Absil, Christian Delacroix, Michaël Lobet, Mikael Karlsson, Ernesto Vargas Catalán, Gilles Orban de Xivry, Jérôme Loicq, Serge Habraken
Published in: Proc. SPIE, Issue 11451, 2020
Publisher: SPIE
DOI: 10.1117/12.2576166

The ELT/METIS annular groove phase masks

Author(s): Christian Delacroix, Lorenzo König, Olivier Absil, Gilles Orban De Xivry, Pontus Forsberg, Mikael Karlsson, Samuel Ronayette, Eric Pantin, Jean-Christophe Barrière
Published in: Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 2024, Page(s) 100
Publisher: SPIE
DOI: 10.1117/12.3020539

Design, manufacturing and prototype testing of the METIS ring apodizer

Author(s): Lorenzo König, Christian Delacroix, Olivier Absil, Gilles Orban de Xivry
Published in: Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation VI, 2024, Page(s) 258
Publisher: SPIE
DOI: 10.1117/12.3020449

Lessons learned from the NEAR experiment and prospects for the upcoming mid-IR HCI instruments

Author(s): Pathak, Prashant; Kasper, Markus; Absil, Olivier; de Xivry, Gilles Orban; Käufl, Ulli; Jakob, Gerd; Siebenmorgen, Ralf; Leveratto, Serban; Pantin, Eric
Published in: Proc. SPIE, Issue 12185, 2022
Publisher: SPIE
DOI: 10.1117/12.2630040

Direct imaging and dynamical mass of a benchmark T-type brown dwarf companion to HD 167665

Author(s): A.-L. Maire, A. Leclerc, W. O. Balmer, S. Desidera, S. Lacour, V. D’Orazi, M. Samland, M. Langlois, E. Matthews, C. Babusiaux, P. Kervella, J.-B. Le Bouquin, D. Ségransan, R. Gratton, B. A. Biller, M. Bonavita, P. Delorme, S. Messina, S. Udry, M. Janson, Th. Henning, Z. Wahhaj, A. Zurlo, M. Bonnefoy, W. Brandner, F. Cantalloube, R. Galicher, J. Kammerer, M. Nowak, J. Shangguan, T. Stolker, J. J
Published in: Astronomy & Astrophysics, Issue 691, 2024, Page(s) A263, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202451184

Use the 4S (Signal-Safe Speckle Subtraction): Explainable Machine Learning Reveals the Giant Exoplanet AF Lep b in High-contrast Imaging Data from 2011

Author(s): Markus J. Bonse, Timothy D. Gebhard, Felix A. Dannert, Olivier Absil, Faustine Cantalloube, Valentin Christiaens, Gabriele Cugno, Emily O. Garvin, Jean Hayoz, Markus Kasper, Elisabeth Matthews, Bernhard Schölkopf, Sascha P. Quanz
Published in: The Astronomical Journal, Issue 169, 2025, Page(s) 194, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/adab79

Optimal design of the annular groove phase mask central region

Author(s): Lorenzo König, Olivier Absil, Michaël Lobet, Christian Delacroix, Mikael Karlsson, Gilles Orban de Xivry, Jérôme Loicq
Published in: Optics Express, Issue 30 (15), 2022, Page(s) 27048-27063, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.461047

The <i>β</i> Pictoris system: Setting constraints on the planet and the disk structures at mid-IR wavelengths with NEAR

Author(s): Nour Skaf, Anthony Boccaletti, Eric Pantin, Philippe Thebault, Quentin Kral, Camilla Danielski, Raphael Galicher, Julien Milli, Anne-Marie Lagrange, Clément Baruteau, Matthew Kenworthy, Olivier Absil, Maud Langlois, Johan Olofsson, Gael Chauvin, Nuria Huelamo, Philippe Delorme, Benjamin Charnay, Olivier Guyon, Michael Bonnefoy, Faustine Cantalloube, H. Jens Hoeijmakers, Ulli Käufl, Markus Kasper
Published in: Astronomy & Astrophysics, Issue 675, 2023, Page(s) A35, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202245143

Near-infrared Imaging of a Spiral in the CQ Tau Disk

Author(s): Taichi Uyama, Takayuki Muto, Dimitri Mawet, Valentin Christiaens, Jun Hashimoto, Tomoyuki Kudo, Masayuki Kuzuhara, Garreth Ruane, Charles Beichman, Olivier Absil, Eiji Akiyama, Jaehan Bae, Michael Bottom, Elodie Choquet, Thayne Currie, Ruobing Dong, Katherine B. Follette, Misato Fukagawa, Greta Guidi, Elsa Huby, Jungmi Kwon, Satoshi Mayama, Tiffany Meshkat, Maddalena Reggiani, Luca Ricci, Eugene S
Published in: The Astronomical Journal, Issue 159/3, 2020, Page(s) 118, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/ab7006

A deep learning approach for focal-plane wavefront sensing using vortex phase diversity

Author(s): M. Quesnel, G. Orban de Xivry, G. Louppe, and O. Absil
Published in: Astronomy & Astrophysics, Issue 668, 2022, Page(s) A36, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202143001

Comparing Apples with Apples: Robust Detection Limits for Exoplanet High-contrast Imaging in the Presence of Non-Gaussian Noise

Author(s): Markus J. Bonse; Emily O. Garvin; Timothy D. Gebhard; Felix A. Dannert; Faustine Cantalloube; Gabriele Cugno; Olivier Absil; Jean Hayoz; Julien Milli; Markus Kasper; Sascha P. Quanz
Published in: The Astronomical Journal, Issue 166 (2), 2023, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/acc93c

NA-SODINN: A deep learning algorithm for exoplanet image detection based on residual noise regimes

Author(s): C. Cantero, O. Absil, C.-H. Dahlqvist, M. Van Droogenbroeck
Published in: Astronomy & Astrophysics, Issue 680, 2023, Page(s) A86, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202346085

High-contrast imaging at ten microns: A search for exoplanets around Eps Indi A, Eps Eri, Tau Ceti, Sirius A, and Sirius B

Author(s): P. Pathak, D. J. M. Petit dit de la Roche, M. Kasper, M. Sterzik, O. Absil, A. Boehle, F. Feng, V. D. Ivanov, M. Janson, H. R. A. Jones, A. Kaufer, H.-U. Käufl, A.-L. Maire, M. Meyer, E. Pantin, R. Siebenmorgen, M. E. van den Ancker and G. Viswanath
Published in: Astronomy & Astrophysics, Issue 652, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202140529

Characterization of HD 206893 B from Near- to Thermal-infrared

Author(s): Tiffany Meshkat, Peter Gao, Eve J. Lee, Dimitri Mawet, Elodie Choquet, Marie Ygouf, Rahul Patel, Garreth Ruane, Jason Wang, Nicole Wallack, Olivier Absil, and Charles Beichman
Published in: The Astrophysical Journal, Issue 917, 2021, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-4357/ac09ed

Vector-apodizing phase plate coronagraph: design, current performance, and future development

Author(s): D. S. Doelman, F. Snik, E. H. Por, S. P. Bos, G. P. P. L. Otten, M. Kenworthy, S. Y. Haffert, M. Wilby, A. J. Bohn, B. J. Sutlieff, K. Miller, M. Ouellet, J. de Boer, C. U. Keller, M. J. Escuti, S. Shi, N. Z. Warriner, K. Hornburg, J. L. Birkby, J. Males, K. M. Morzinski, L. M. Close, J. Codona, J. Long, L. Schatz, J. Lumbres, A. Rodack, K. Van Gorkom, A. Hedglen, O. Guyon, J. Lozi, T. Groff, J. C
Published in: Applied Optics, Issue 60, 2021, ISSN 0003-6935
Publisher: Optical Society of America
DOI: 10.1364/ao.422155

A dusty benchmark brown dwarf near the ice line of HD 72946

Author(s): A.-L. Maire, J.-L. Baudino, S. Desidera, S. Messina, W. Brandner, N. Godoy, F. Cantalloube, R. Galicher, M. Bonnefoy, J. Hagelberg, J. Olofsson, O. Absil, G. Chauvin, T. Henning, M. Langlois
Published in: Astronomy & Astrophysics, Issue 633, 2020, Page(s) L2, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201937134

Design, pointing control, and on-sky performance of the mid-infrared vortex coronagraph for the VLT/NEAR experiment

Author(s): Anne-Lise Maire, Elsa Huby, Olivier Absil, Gérard Zins, Markus Kasper, Christian Delacroix, Serban Leveratto, Mikael Karlsson, Garreth Ruane, Hans-Ulrich Käufl, Gilles Orban de Xivry, Prashant Pathak, Lorenzo Pettazzi, Philippe Duhoux, Johan Kolb, Éric Pantin, A. J. Eldorado Riggs, Ralf Siebenmorgen, Dimitri Mawet
Published in: Journal of Astronomical Telescopes, Instruments, and Systems, Issue 6/03, 2020, Page(s) 035003, ISSN 2329-4124
Publisher: Society of Photo-Optical Instrumentation Engineers (SPIE)
DOI: 10.1117/1.jatis.6.3.035003

Workshop Summary: Exoplanet Orbits and Dynamics

Author(s): Anne-Lise Maire, Laetitia Delrez, Francisco J. Pozuelos, Juliette Becker, Nestor Espinoza, Jorge Lillo-Box, Alexandre Revol, Olivier Absil, Eric Agol, José M. Almenara, Guillem Anglada-Escudé, Hervé Beust, Sarah Blunt, Emeline Bolmont, Mariangela Bonavita, Wolfgang Brandner, G. Mirek Brandt, Timothy D. Brandt, Garett Brown, Carles Cantero Mitjans, Carolina Charalambous, Gaël Chauvin, Alexandre
Published in: Publications of the Astronomical Society of the Pacific, Issue 135, 2023, Page(s) 106001, ISSN 0004-6280
Publisher: University of Chicago Press
DOI: 10.1088/1538-3873/acff88

High strehl and high contrast for the ELT instrument METIS

Author(s): Markus Feldt, Thomas Bertram, Carlos Correia, Olivier Absil, M. Concepción Cárdenas Vázquez, Hugo Coppejans, Martin Kulas, Andreas Obereder, Gilles Orban de Xivry, Silvia Scheithauer, Horst Steuer
Published in: Experimental Astronomy, Issue 58, 2024, ISSN 0922-6435
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10686-024-09968-2

Keck/NIRC2 L ’-band Imaging of Jovian-mass Accreting Protoplanets around PDS 70

Author(s): Jason J. Wang, Sivan Ginzburg, Bin Ren, Nicole Wallack, Peter Gao, Dimitri Mawet, Charlotte Z. Bond, Sylvain Cetre, Peter Wizinowich, Robert J. De Rosa, Garreth Ruane, Michael C. Liu, Olivier Absil, Carlos Alvarez, Christoph Baranec, Élodie Choquet, Mark Chun, Denis Defrère, Jacques-Robert Delorme, Gaspard Duchêne, Pontus Forsberg, Andrea Ghez, Olivier Guyon, Donald N. B. Hall, Elsa Huby, Aïss
Published in: The Astronomical Journal, Issue 159/6, 2020, Page(s) 263, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/ab8aef

Auto-RSM: an automated parameter-selection algorithm for the RSM map exoplanet detection algorithm

Author(s): Carl-Henrik Dahlqvist; Faustine Cantalloube; Olivier Absil
Published in: Astronomy & Astrophysics, Issue 656, 2021, Page(s) A54, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141446

Inverse-problem versus principal component analysis methods for angular differential imaging of circumstellar disks

Author(s): S. Juillard, V. Christiaens, O. Absil
Published in: Astronomy & Astrophysics, Issue 679, 2023, Page(s) A52, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202347259

The SHARDDS survey: limits on planet occurrence rates based on point sources analysis via the Auto-RSM framework

Author(s): C.-H. Dahlqvist, J. Milli , O. Absil, F. Cantalloube, L. Matra, E. Choquet , C. del Burgo , J. P. Marshall, M. Wyatt, S. Ertel
Published in: Astronomy & Astrophysics, Issue 666, 2022, Page(s) A33, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244145

Making the diamond vortex phase masks for the METIS instrument

Author(s): Pontus Forsberg, Petri Karvinen, Samuel Ronayette, Markku Kuittinen, Olivier Absil, Lorenzo König, Christian Delacroix, Gilles Orban de Xivry, Jean-Christophe Barrière, Eric Pantin, Mikael Karlsson
Published in: Diamond and Related Materials, Issue 146, 2024, Page(s) 111237, ISSN 0925-9635
Publisher: Elsevier BV
DOI: 10.1016/j.diamond.2024.111237

The Enhanced Resolution Imager and Spectrograph for the VLT

Author(s): R. Davies, O. Absil, G. Agapito, A. Agudo Berbel, A. Baruffolo, V. Biliotti, M. Black, M. Bonaglia, M. Bonse, R. Briguglio, P. Campana, Y. Cao, L. Carbonaro, A. Cortes, G. Cresci, Y. Dallilar, F. Dannert, R. J. De Rosa, M. Deysenroth, I. Di Antonio, A. Di Cianno, G. Di Rico, D. Doelman, M. Dolci, R. Dorn, F. Eisenhauer, S. Esposito, D. Fantinel, D. Ferruzzi, H. Feuchtgruber, G. Finger, N. M. Förs
Published in: Astronomy & Astrophysics, Issue 674, 2023, Page(s) A207, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202346559

Chasing rainbows and ocean glints: Inner working angle constraints for the Habitable Worlds Observatory

Author(s): Sophia R Vaughan; Timothy D Gebhard; Kimberly Bott; Sarah L Casewell; Nicolas B Cowan; David S Doelman; Matthew Kenworthy; Johan Mazoyer; Maxwell A Millar-Blanchaer; Victor J H Trees; Daphne M Stam; Olivier Absil; Lisa Altinier; Pierre Baudoz; Ruslan Belikov; Alexis Bidot; Jayne L Birkby; Markus J Bonse; Bernhard Brandl; Alexis Carlotti; Elodie Choquet; Dirk van Dam; Niyati Desai; Kevin Fogarty;
Published in: Monthly Notices of the Royal Astronomical Society, Issue 524 (4), 2023, Page(s) 5477-5485, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stad2127

Combining reference-star and angular differential imaging for high-contrast imaging of extended sources

Author(s): S. Juillard, V. Christiaens, O. Absil, S. Stasevic, J. Milli
Published in: Astronomy & Astrophysics, Issue 688, 2024, Page(s) A185, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202449747

A faint companion around CrA-9: protoplanet or obscured binary?

Author(s): V Christiaens, M-G Ubeira-Gabellini, H Cánovas, P Delorme, B Pairet, O Absil, S Casassus, J H Girard, A Zurlo, Y Aoyama, G-D Marleau, L Spina, N van der Marel, L Cieza, G Lodato, S Pérez, C Pinte, D J Price, M Reggiani
Published in: MNRAS, Issue 502, 2021, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab480

Improving the RSM map exoplanet detection algorithm - PSF forward modelling and optimal selection of PSF subtraction techniques

Author(s): C.-H. Dahlqvist, G. Louppe, O. Absil
Published in: Astronomy & Astrophysics, Issue 646, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202039597

Efficiently Searching for Close-in Companions Around Young M Dwarfs Using a Multiyear PSF Library

Author(s): Aniket Sanghi, Jerry W. Xuan, Jason J. Wang, Dimitri Mawet, Brendan P. Bowler, Henry Ngo, Marta L. Bryan, Garreth Ruane, Olivier Absil, Elsa Huby
Published in: The Astronomical Journal, Issue 168, 2024, Page(s) 215, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/ad769f

Revisiting the atmosphere of the exoplanet 51 Eridani b with VLT/SPHERE

Author(s): S. B. Brown-Sevilla; A.-L. Maire; P. Mollière; M. Samland; M. Feldt; W. Brandner; Th. Henning; R. Gratton; M. Janson; T. Stolker; J. Hagelberg; A. Zurlo; F. Cantalloube; A. Boccaletti; M. Bonnefoy; G. Chauvin; S. Desidera; V. D'Orazi; A.-M. Lagrange; M. Langlois; F. Menard; D. Mesa; M. Meyer; A. Pavlov; C. Petit; S. Rochat; D. Rouan; T. Schmidt; A. Vigan; L. Weber
Published in: Astronomy & Astrophysics, Issue 673, 2023, Page(s) A98, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244826

Exoplanets with ELT-METIS. I. Estimating the direct imaging exoplanet yield around stars within 6.5 parsecs

Author(s): R. Bowens, M. R. Meyer, C. Delacroix, O. Absil, R. van Boekel, S. P. Quanz, M. Shinde, M. Kenworthy, B. Carlomagno, G. Orban de Xivry, F. Cantalloube and P. Pathak
Published in: Astronomy & Astrophysics, Issue 653, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141109

VIP: A Python package for high-contrast imaging

Author(s): Christiaens, Valentin; Gomez Gonzalez, Carlos; Farkas, Ralf; Dahlqvist, Carl-Henrik; Nasedkin, Evert; Milli, Julien; Absil, Olivier; Ngo, Henry; Cantero, Carles; Rainot, Alan; Hammond, Iain; Bonse, Markus; Cantalloube, Faustine; Vigan, Arthur; Kompella, Vijay; Hancock, Paul
Published in: Journal of Open Source Software, Issue 8 (81), 2023, Page(s) 4774, ISSN 2475-9066
Publisher: Open Source Initiative
DOI: 10.21105/joss.04774

Neural posterior estimation for exoplanetary atmospheric retrieval

Author(s): Vasist, Malavika; Rozet, François; Absil, Olivier; Mollière, Paul; Nasedkin, Evert; Louppe, Gilles
Published in: Astronomy & Astrophysics, Issue 672, 2023, Page(s) A147, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202245263

Machine learning for exoplanet detection in high-contrast spectroscopy

Author(s): R. Nath-Ranga, O. Absil, V. Christiaens, E. O. Garvin
Published in: Astronomy & Astrophysics, Issue 689, 2024, Page(s) A142, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202449150

MINDS: JWST/NIRCam imaging of the protoplanetary disk PDS 70

Author(s): V. Christiaens, M. Samland, Th. Henning, B. Portilla-Revelo, G. Perotti, E. Matthews, O. Absil, L. Decin, I. Kamp, A. Boccaletti, B. Tabone, G.-D. Marleau, E. F. van Dishoeck, M. Güdel, P.-O. Lagage, D. Barrado, A. Caratti o Garatti, A. M. Glauser, G. Olofsson, T. P. Ray, S. Scheithauer, B. Vandenbussche, L. B. F. M. Waters, A. M. Arabhavi, S. L. Grant, H. Jang, J. Kanwar, J. Schreiber, K. Schwar
Published in: Astronomy & Astrophysics, Issue 685, 2024, Page(s) L1, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202349089

An alternating minimization algorithm with trajectory for direct exoplanet detection

Author(s): H. Daglayan, S. Vary, O. Absil, F. Cantalloube, V. Christiaens, N. Gillis, L. Jacques, V. Leplat, P.-A. Absil
Published in: Astronomy & Astrophysics, Issue 692, 2024, Page(s) A126, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202451242

METIS high-contrast imaging: design and expected performance

Author(s): Brunella Carlomagno, Christian Delacroix, Olivier Absil, Faustine Cantalloube, Gilles Orban de Xivry, Prashant Pathak, Tibor Agocs, Thomas Bertram, Bernhard R. Brandl, Leonard Burtscher, David S. Doelman, Markus Feldt, Adrian M. Glauser, Stefan Hippler, Matthew A. Kenworthy, Emiel H. Por, Frans Snik, Remko Stuik, Roy van Boekel
Published in: Journal of Astronomical Telescopes, Instruments, and Systems, Issue 6/03, 2020, Page(s) 035005, ISSN 2329-4124
Publisher: Society of Photo-Optical Instrumentation Engineers (SPIE)
DOI: 10.1117/1.jatis.6.3.035005

Lessons learned from SPHERE for the astrometric strategy of the next generation of exoplanet imaging instruments

Author(s): Anne-Lise Maire; Maud Langlois; Philippe Delorme; Philippe Delorme; Gael Chauvin; Gael Chauvin; Raffaele Gratton; Arthur Vigan; Julien Girard; Zahed Wahhaj; Jörg-Uwe Pott; Leonard Burtscher; Anthony Boccaletti; Alexis Carlotti; Alexis Carlotti; Thomas Henning; Matthew A. Kenworthy; Pierre Kervella; Emily L. Rickman; T. O. B. Schmidt
Published in: Journal of Astronomical Telescopes, Instruments, and Systems, Issue 7(3), 2021, Page(s) 035004, ISSN 2329-4124
Publisher: SPIE
DOI: 10.1117/1.jatis.7.3.035004

Regime-switching model detection map for direct exoplanet detection in ADI sequences

Author(s): C.-H. Dahlqvist, F. Cantalloube, O. Absil
Published in: Astronomy & Astrophysics, Issue 633, 2020, Page(s) A95, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201936421

Focal plane wavefront sensing using machine learning: performance of convolutional neural networks compared to fundamental limits

Author(s): G Orban de Xivry, M Quesnel, P-O Vanberg, O Absil, G Louppe
Published in: MNRAS, Issue 505, 2021, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab1634

Imaging low-mass planets within the habitable zone of α Centauri

Author(s): K. Wagner, A. Boehle, P. Pathak, M. Kasper, R. Arsenault, G. Jakob, U. Käufl, S. Leveratto, A.-L. Maire, E. Pantin, R. Siebenmorgen, G. Zins, O. Absil, N. Ageorges, D. Apai, A. Carlotti, É. Choquet, C. Delacroix, K. Dohlen, P. Duhoux, P. Forsberg, E. Fuenteseca, S. Gutruf, O. Guyon, E. Huby, D. Kampf, M. Karlsson, P. Kervella, J.-P. Kirchbauer, P. Klupar, J. Kolb, D. Mawet, M. N’Diaye, G. Orba
Published in: Nature Communications, Issue 12, 2021, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-021-21176-6

Advancing European high-contrast imaging R&D towards the Habitable Worlds Observatory

Author(s): Iva Laginja, Óscar Carrión-González, Romain Laugier, Elisabeth Matthews, Lucie Leboulleux, Axel Potier, Alexis Lau, Olivier Absil, Pierre Baudoz, Beth Biller, Anthony Boccaletti, Wolfgang Brandner, Alexis Carlotti, Gaël Chauvin, Élodie Choquet, David Doelman, Kjetil Dohlen, Marc Ferrari, Sasha Hinkley, Elsa Huby, Mikael Karlsson, Oliver Krause, Jonas Kühn, Jean-Michel Le Duigou, Johan Mazoy
Published in: Astrophysics and Space Science, Issue 370, 2025, ISSN 0004-640X
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10509-025-04417-8

Constraints on the nearby exoplanet ϵ Indi Ab from deep near- and mid-infrared imaging limits

Author(s): Gayathri Viswanath, Markus Janson, Carl-Henrik Dahlqvist, Dominique Petit dit de la Roche, Matthias Samland, Julien Girard, Prashant Pathak, Markus Kasper, Fabo Feng, Michael Meyer, Anna Boehle, Sascha P. Quanz, Hugh R. A. Jones, Olivier Absil, Wolfgang Brandner, Anne-Lise Maire, Ralf Siebenmorgen, Michael Sterzik and Eric Pantin
Published in: Astronomy & Astrophysics, Issue 651, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202140730

Carina High-contrast Imaging Project for massive Stars (CHIPS)

Author(s): A. Rainot, M. Reggiani, H. Sana, J. Bodensteiner, C. A. Gomez-Gonzalez, O. Absil, V. Christiaens, P. Delorme, L. A. Almeida, S. Caballero-Nieves, J. De Ridder, K. Kratter, S. Lacour, J.-B. Le Bouquin, L. Pueyo, H. Zinnecker
Published in: Astronomy & Astrophysics, Issue 640, 2020, Page(s) A15, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201936448

Photonic-structure optimization using highly data-efficient deep learning: Application to nanofin and annular-groove phase masks

Author(s): Nicolas Roy, Lorenzo König, Olivier Absil, Charlotte Beauthier, Alexandre Mayer, Michaël Lobet
Published in: Physical Review A, Issue 109, 2024, ISSN 2469-9926
Publisher: American Physical Society (APS)
DOI: 10.1103/physreva.109.013514

Analysis of the arm-like structure in the outer disk of PDS 70. Spiral density wave or vortex?

Author(s): S. Juillard, V. Christiaens, O. Absil
Published in: Astronomy & Astrophysics, Issue 668, 2022, Page(s) A125, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244402

Constraining the Orbit and Mass of epsilon Eridani b with Radial Velocities, Hipparcos IAD-Gaia DR2 Astrometry, and Multiepoch Vortex Coronagraphy Upper Limits

Author(s): Jorge Llop-Sayson, Jason J. Wang, Jean-Baptiste Ruffio, Dimitri Mawet, Sarah Blunt, Olivier Absil, Charlotte Bond, Casey Brinkman, Brendan P. Bowler, Michael Bottom, Ashley Chontos, Paul A. Dalba, B. J. Fulton, Steven Giacalone, Michelle Hill, Lea A. Hirsch, Andrew W. Howard, Howard Isaacson, Mikael Karlsson, Jack Lubin, Alex Madurowicz, Keith Matthews, Evan Morris, Marshall Perrin, Bin Ren, Malen
Published in: The Astronomical Journal, Issue 162, 2021, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/ac134a

A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph

Author(s): Nicole L. Wallack, Jean-Baptiste Ruffio, Garreth Ruane, Bin B. 彬 Ren 任, Jerry W. Xuan, Marion Villenave, Dimitri Mawet, Karl Stapelfeldt, Jason J. Wang, Michael C. Liu, Olivier Absil, Carlos Alvarez, Jaehan Bae, Charlotte Bond, Michael Bottom, Benjamin Calvin, Élodie Choquet, Valentin Christiaens, Therese Cook, Bruno Femenía Castellá, Carlos Gomez Gonzalez, Greta Guidi, Elsa Huby, Joel Kast
Published in: The Astronomical Journal, Issue 168, 2024, Page(s) 78, ISSN 0004-6256
Publisher: American Astronomical Society
DOI: 10.3847/1538-3881/ad390c

Carina High-contrast Imaging Project for massive Stars (CHIPS). II. O stars in Trumpler 14

Author(s): A. Rainot, M. Reggiani, H. Sana, J. Bodensteiner, O. Absil
Published in: Astronomy & Astrophysics, Issue 658, 2022, Page(s) A198, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141562

High-contrast spectroscopy with the new VLT/ERIS instrument

Author(s): J. Hayoz, M. J. Bonse, F. Dannert, E. O. Garvin, G. Cugno, P. Patapis, T. D. Gebhard, W. O. Balmer, R. J. De Rosa, A. Agudo Berbel, Y. Cao, G. Orban de Xivry, T. Stolker, R. Davies, O. Absil, H. M. Schmid, S. P. Quanz, G. Agapito, A. Baruffolo, M. Black, M. Bonaglia, R. Briguglio, L. Carbonaro, G. Cresci, Y. Dallilar, M. Deysenroth, I. Di Antonio, A. Di Cianno, G. Di Rico, D. Doelman, M. Dolci, F.
Published in: Astronomy & Astrophysics, Issue 698, 2025, Page(s) A87, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202453297

High-precision astrometric studies in direct imaging with SPHERE

Author(s): Maire, A. -L.; Chauvin, G.; Vigan, A.; Gratton, R.; Langlois, M.; Girard, J. H.; Kenworthy, M. A.; Pott, J. -U.; Henning, T.; Kervella, P.; Lacour, S.; Rickman, E. L.; Boccaletti, A.; Delorme, P.; Meyer, M. R.; Nowak, M.; Quanz, S. P.; Zurlo, A.
Published in: The Messenger, Issue 183, 2021, Page(s) 7 - 12, ISSN 0722-6691
Publisher: ESO
DOI: 10.18727/0722-6691/5228

NEAR: First Results from the Search for Low-Mass Planets in α Cen

Author(s): M. Kasper, R. Arsenault, U. Käufl, G. Jakob, S. Leveratto, G. Zins, E. Pantin, P. Duhoux, M. Riquelme, J. Kirchbauer, J. Kolb, P. Pathak, R. Siebenmorgen, C. Soenke, E. Fuenteseca, M. Sterzik, N. Ageorges, S. Gutruf, D. Kampf, A. Reutlinger, O. Absil, C. Delacroix, A. Maire, E. Huby, O. Guyon, P. Klupar, D. Mawet, G. Ruane, M. Karlsson, K. Dohlen, A. Vigan, M. N’Diaye, S. Quanz, A. Carlotti
Published in: The Messenger, Issue 178, 2019, Page(s) 5-9, ISSN 0722-6691
Publisher: European Southern Observatory (ESO)
DOI: 10.18727/0722-6691/5163

METIS: The Mid-infrared ELT Imager and Spectrograph

Author(s): Bernhard Brandl, Felix Bettonvil, Roy van Boekel, Adrian Glauser, Sascha Quanz, Olivier Absil, António Amorim, Markus Feldt, Alistair Glasse, Manuel Güdel, Paul Ho, Lucas Labadie, Michael Meyer, Eric Pantin, Hans van Winckel and the METIS Consortium
Published in: The Messenger, Issue 182, 2021, ISSN 0722-6691
Publisher: ESO
DOI: 10.18727/0722-6691/5218

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