Exoplanet atmospheres as indicators of life: From hot gas giants to Earth-like planets

Publications

Coherent radio emission from a quiescent red dwarf indicative of star–planet interaction

Author(s): H. K. Vedantham, J. R. Callingham, T. W. Shimwell, C. Tasse, B. J. S. Pope, M. Bedell, I. Snellen, P. Best, M. J. Hardcastle, M. Haverkorn, A. Mechev, S. P. O’Sullivan, H. J. A. Röttgering, G. J. White
Published in: Nature Astronomy, Issue 4/6, 2020, Page(s) 577-583, ISSN 2397-3366
Publisher: Springer Nature
DOI: 10.1038/s41550-020-1011-9

Retrieving scattering clouds and disequilibrium chemistry in the atmosphere of HR 8799e

Author(s): P. Mollière, T. Stolker, S. Lacour, G. P. P. L. Otten, J. Shangguan, B. Charnay, T. Molyarova, M. Nowak, Th. Henning, G.-D. Marleau, D. A. Semenov, E. van Dishoeck, F. Eisenhauer, P. Garcia, R. Garcia Lopez, J. H. Girard, A. Z. Greenbaum, S. Hinkley, P. Kervella, L. Kreidberg, A.-L. Maire, E. Nasedkin, L. Pueyo, I. A. G. Snellen, A. Vigan, J. Wang, P. T. de Zeeuw, A. Zurlo
Published in: Astronomy & Astrophysics, Issue 640, 2020, Page(s) A131, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038325

Two accreting protoplanets around the young star PDS 70

Author(s): S. Y. Haffert, A. J. Bohn, J. de Boer, I. A. G. Snellen, J. Brinchmann, J. H. Girard, C. U. Keller, R. Bacon
Published in: Nature Astronomy, Issue 3/8, 2019, Page(s) 749-754, ISSN 2397-3366
Publisher: springer nature
DOI: 10.1038/s41550-019-0780-5

A quantitative assessment of the VO line list: Inaccuracies hamper high-resolution VO detections in exoplanet atmospheres

Author(s): S. de Regt, A. Y. Kesseli, I. Snellen, S.R. Merritt, K.L. Chubb
Published in: Astronomy & Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202142683

Ionized calcium in the atmospheres of two ultra-hot exoplanets WASP-33b and KELT-9b

Author(s): F. Yan, N. Casasayas-Barris, K. Molaverdikhani, F. J. Alonso-Floriano, A. Reiners, E. Pallé, Th. Henning, P. Mollière, G. Chen, L. Nortmann, I. A. G. Snellen, I. Ribas, A. Quirrenbach, J. A. Caballero, P. J. Amado, M. Azzaro, F. F. Bauer, M. Cortés Contreras, S. Czesla, S. Khalafinejad, L. M. Lara, M. López-Puertas, D. Montes, E. Nagel, M. Oshagh, A. Sánchez-López, M. Stangret, M. Zechmeiste
Published in: Astronomy & Astrophysics, Issue 632, 2019, Page(s) A69, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201936396

No Massive Companion to the Coherent Radio-emitting M Dwarf GJ 1151

Author(s): Benjamin J. S. Pope, Megan Bedell, Joseph R. Callingham, Harish K. Vedantham, Ignas A. G. Snellen, Adrian M. Price-Whelan, Timothy W. Shimwell
Published in: The Astrophysical Journal, Issue 890/2, 2020, Page(s) L19, ISSN 2041-8213
Publisher: IOP
DOI: 10.3847/2041-8213/ab5b99

The CH$_4$ abundance in Jupiter's upper atmosphere

Author(s): A. Sánchez-López; M. López-Puertas; M. García-Comas; B. Funke; T. Fouchet; I. A. G. Snellen
Published in: Crossref, Issue 9, 2022, Page(s) Vol 662, A91, 5, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2203.10086

Measuring titanium isotope ratios in exoplanet atmospheres

Author(s): Dilovan B. Serindag; Ignas Snellen; Paul Mollière
Published in: Astronomy & Astrophysics, Issue 12/yr, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141941

Water observed in the atmosphere of τ Boötis Ab with CARMENES/CAHA

Author(s): Rebecca K Webb; Siddharth Gandhi; Matteo Brogi; Jayne L Birkby; Ernst de Mooij; Ignas Snellen; Yapeng Zhang
Published in: Webb , R K , Gandhi , S , Brogi , M , Birkby , J L , de Mooij , E , Snellen , I & Zhang , Y 2022 , ' Water observed in the atmosphere of τ Boötis Ab with CARMENES/CAHA ' , Monthly Notices of the Royal Astronomical Society , vol. 514 , no. 3 , pp. 4160-4172 . https://doi.org/10.1093/mnras/stac1512, Issue 8, 2022, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stac1512

Fe I in the β Pictoris circumstellar gas disk

Author(s): F. Kiefer, A. Vidal-Madjar, A. Lecavelier des Etangs, V. Bourrier, D. Ehrenreich, R. Ferlet, G. Hébrard, P. A. Wilson
Published in: Astronomy & Astrophysics, Issue 621, 2019, Page(s) A58, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834274

A new window into the atmospheres of ultra-hot Jupiters

Author(s): A. Sánchez-López; L. Lin; I. A. G. Snellen; N. Casasayas-Barris; A. García Muñoz; M. Lampón; M. López-Puertas
Published in: https://hal-insu.archives-ouvertes.fr/insu-03846746, Issue 2, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2209.01854

He I λ 10 830 Å in the transmission spectrum of HD209458 b

Author(s): F. J. Alonso-Floriano, I. A. G. Snellen, S. Czesla, F. F. Bauer, M. Salz, M. Lampón, L. M. Lara, E. Nagel, M. López-Puertas, L. Nortmann, A. Sánchez-López, J. Sanz-Forcada, J. A. Caballero, A. Reiners, I. Ribas, A. Quirrenbach, P. J. Amado, J. Aceituno, G. Anglada-Escudé, V. J. S. Béjar, M. Brinkmöller, A. P. Hatzes, Th. Henning, A. Kaminski, M. Kürster, F. Labarga, D. Montes, E. Pallé, J
Published in: Astronomy & Astrophysics, Issue 629, 2019, Page(s) A110, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201935979

Modelling the He I triplet absorption at 10 830 Å in the atmospheres of HD 189733 b and GJ 3470 b

Author(s): M. Lampón, M. López-Puertas, J. Sanz-Forcada, A. Sánchez-López, K. Molaverdikhani, S. Czesla, A. Quirrenbach, E. Pallé, J. A. Caballero, T. Henning, M. Salz, L. Nortmann, J. Aceituno, P. J. Amado, F. F. Bauer, D. Montes, E. Nagel, A. Reiners, I. Ribas
Published in: Astronomy & Astrophysics, Issue 647, 2021, Page(s) A129, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202039417

Evidence of energy-, recombination-, and photon-limited escape regimes in giant planet H/He atmospheres

Author(s): M. Lampón; Manuel López-Puertas; S. Czesla; A. Sánchez-López; Luisa Lara; M. Salz; Jorge Sanz-Forcada; Karan Molaverdikhani; Karan Molaverdikhani; Andreas Quirrenbach; Enric Palle; Enric Palle; Jose A. Caballero; Th. Henning; Lisa Nortmann; Pedro J. Amado; D. Montes; Ansgar Reiners; Ignasi Ribas
Published in: reponame:E-Prints Complutense. Archivo Institucional de la UCM, Issue 3, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2104.08832

Search for He I airglow emission from the hot Jupiter τ Boo b

Author(s): Y. Zhang, I. A. G. Snellen, P. Mollière, F. J. Alonso-Floriano, R. K. Webb, M. Brogi, A. Wyttenbach
Published in: Astronomy & Astrophysics, Issue 641, 2020, Page(s) A161, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038412

Peering into the formation history of β Pictoris b with VLTI/GRAVITY long-baseline interferometry

Author(s): M. Nowak, S. Lacour, P. Mollière, J. Wang, B. Charnay, E. F. van Dishoeck, R. Abuter, A. Amorim, J. P. Berger, H. Beust, M. Bonnefoy, H. Bonnet, W. Brandner, A. Buron, F. Cantalloube, C. Collin, F. Chapron, Y. Clénet, V. Coudé du Foresto, P. T. de Zeeuw, R. Dembet, J. Dexter, G. Duvert, A. Eckart, F. Eisenhauer, N. M. Förster Schreiber, P. Fédou, R. Garcia Lopez, F. Gao, E. Gendron, R. Genzel
Published in: Astronomy & Astrophysics, Issue 633, 2020, Page(s) A110, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201936898

Gravity-darkening Analysis of the Misaligned Hot Jupiter MASCARA-4 b

Author(s): John P. Ahlers, Ethan Kruse, Knicole D. Colón, Patrick Dorval, Geert Jan Talens, Ignas Snellen, Simon Albrecht, Gilles Otten, George Ricker, Roland Vanderspek, David Latham, Sara Seager, Joshua Winn, Jon M. Jenkins, Kari Haworth, Scott Cartwright, Robert Morris, Pam Rowden, Peter Tenenbaum, Eric B. Ting
Published in: The Astrophysical Journal, Issue 888/2, 2020, Page(s) 63, ISSN 1538-4357
Publisher: IOP
DOI: 10.3847/1538-4357/ab59d0

A giant exoplanet orbiting a very-low-mass star challenges planet formation models

Author(s): S. Sadegi; S. Sadegi; N. Lodieu; N. Lodieu; I. Hermelo; M. Azzaro; J. Klüter; Melvyn B. Davies; Pedro J. Amado; E. N. Johnson; Ignasi Ribas; Aviv Ofir; M. Ammler-von Eiff; Peter H. Hauschildt; R. Dorda; R. Antona; F. J. Aceituno; A. Klutsch; Jorge Sanz-Forcada; R. P. Hedrosa; C. Cifuentes; C. Cifuentes; O. Rabaza; O. Rabaza; V. Wolthoff; M. López del Fresno; E. Nagel; I. Gallardo Cava; I. Gallar
Published in: NASA Astrophysics Data System, Issue 1, 2019, ISSN 1095-9203
Publisher: Science
DOI: 10.1126/science.aax3198

Confirmation of Asymmetric Iron Absorption in WASP-76b with HARPS

Author(s): Aurora Y. Kesseli, I. A. G. Snellen
Published in: The Astrophysical Journal, Issue 908/1, 2021, Page(s) L17, ISSN 2041-8213
Publisher: IOP
DOI: 10.3847/2041-8213/abe047

Evidence for strong C/O gradients in the atmosphere of WASP-76 b?

Author(s): A. Sánchez-López; R. Landman; P. Mollière; N. Casasayas-Barris; A. Y. Kesseli; I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 30, 2022, Page(s) Vol. 661, A78, 7, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202142591

Detection of the hydrogen Balmer lines in the ultra-hot Jupiter WASP-33b

Author(s): F. Yan, A. Wyttenbach, N. Casasayas-Barris, A. Reiners, E. Pallé, Th. Henning, P. Mollière, S. Czesla, L. Nortmann, K. Molaverdikhani, G. Chen, I. A. G. Snellen, M. Zechmeister, C. Huang, I. Ribas, A. Quirrenbach, J. A. Caballero, P. J. Amado, D. Cont, S. Khalafinejad, J. Khaimova, M. López-Puertas, D. Montes, E. Nagel, M. Oshagh, S. Pedraz, M. Stangret
Published in: Astronomy & Astrophysics, Issue 645, 2021, Page(s) A22, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202039302

Mass-loss rate and local thermodynamic state of the KELT-9 b thermosphere from the hydrogen Balmer series

Author(s): A. Wyttenbach, P. Mollière, D. Ehrenreich, H. M. Cegla, V. Bourrier, C. Lovis, L. Pino, R. Allart, J. V. Seidel, H. J. Hoeijmakers, L. D. Nielsen, B. Lavie, F. Pepe, X. Bonfils, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 638, 2020, Page(s) A87, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201937316

Transmission spectroscopy of MASCARA-1b with ESPRESSO: Challenges of overlapping orbital and Doppler tracks

Author(s): N. Casasayas-Barris, F. Borsa, E. Pallé, R. Allart, V. Bourrier, J. I. González Hernández, A. Kesseli, A. Sánchez-López, M. R. Zapatero Osorio, I. A. G. Snellen, J. Orell-Miquel, M. Stangret, E. Esparza-Borges, C. Lovis, M. Hooton, M. Lend, A. M. S. Smith, F. Pepe, R. Rebolo, S. Cristiani, N. C. Santos, V. Adibekyan, Y. Alibert, E. Cristo, O. D. S. Demangeon, P. Figueira, P. Di Marcantonio, C
Published in: Astronomy & Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202143016

Data calibration for the MASCARA and bRing instruments

Author(s): G. J. J. Talens, E. R. Deul, R. Stuik, O. Burggraaff, A.-L. Lesage, J. F. P. Spronck, S. N. Mellon, J. I. Bailey, E. E. Mamajek, M. A. Kenworthy, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 619, 2018, Page(s) A154, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834070

The CARMENES search for exoplanets around M dwarfs

Author(s): M. Zechmeister, S. Dreizler, I. Ribas, A. Reiners, J. A. Caballero, F. F. Bauer, V. J. S. Béjar, L. González-Cuesta, E. Herrero, S. Lalitha, M. J. López-González, R. Luque, J. C. Morales, E. Pallé, E. Rodríguez, C. Rodríguez López, L. Tal-Or, G. Anglada-Escudé, A. Quirrenbach, P. J. Amado, M. Abril, F. J. Aceituno, J. Aceituno, F. J. Alonso-Floriano, M. Ammler-von Eiff, R. Antona Jiménez
Published in: Astronomy & Astrophysics, Issue 627, 2019, Page(s) A49, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201935460

CARMENES detection of the Ca II infrared triplet and possible evidence of He I in the atmosphere of WASP-76b

Author(s): N. Casasayas-Barris; J. Orell-Miquel; J. Orell-Miquel; M. Stangret; M. Stangret; Lisa Nortmann; Fei Yan; Mahmoudreza Oshagh; Mahmoudreza Oshagh; Enric Palle; Enric Palle; Jorge Sanz-Forcada; Manuel López-Puertas; Evangelos Nagel; Rafael Luque; Rafael Luque; G. Morello; G. Morello; Ignas Snellen; Mathias Zechmeister; Andreas Quirrenbach; Jose A. Caballero; Ignasi Ribas; Ansgar Reiners; Pedro J. Am
Published in: reponame:E-Prints Complutense. Archivo Institucional de la UCM, Issue 4, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2109.00059

Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 b

Author(s): Yapeng Zhang, Ignas A. G. Snellen, Aurèlien Wyttenbach, Louise D. Nielsen, Monika Lendl, Núria Casasayas-Barris, Guillaume Chaverot, Aurora Y. Kesseli, Christophe Lovis, Francesco A. Pepe, Angelica Psaridi, Julia V. Seidel, Stéphane Udry, Solène Ulmer-Moll
Published in: Astronomy & Astrophysics, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202244203

Discriminating between hazy and clear hot-Jupiter atmospheres with CARMENES

Author(s): A. Sánchez-López, M. López-Puertas, I. A. G. Snellen, E. Nagel, F. F. Bauer, E. Pallé, L. Tal-Or, P. J. Amado, J. A. Caballero, S. Czesla, L. Nortmann, A. Reiners, I. Ribas, A. Quirrenbach, J. Aceituno, V. J. S. Béjar, N. Casasayas-Barris, Th. Henning, K. Molaverdikhani, D. Montes, M. Stangret, M. R. Zapatero Osorio, M. Zechmeister
Published in: Astronomy & Astrophysics, Issue 643, 2020, Page(s) A24, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038629

A Search for FeH in Hot-Jupiter Atmospheres with High-dispersion Spectroscopy

Author(s): Aurora Y. Kesseli, I. A. G. Snellen, F. J. Alonso-Floriano, P. Mollière, D. B. Serindag
Published in: The Astronomical Journal, Issue 160/5, 2020, Page(s) 228, ISSN 1538-3881
Publisher: IOP
DOI: 10.3847/1538-3881/abb59c

Searching for proto-planets with MUSE

Author(s): C. Xie, S. Y. Haffert, J. de Boer, M. A. Kenworthy, J. Brinchmann, J. Girard, I. A. G. Snellen, C. U. Keller
Published in: Astronomy & Astrophysics, Issue 644, 2020, Page(s) A149, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038242

MASCARA-4 b/bRing-1 b: A retrograde hot Jupiter around a bright A-type star

Author(s): P. Dorval, G. J. J. Talens, G. P. P. L. Otten, R. Brahm, A. Jordán, P. Torres, L. Vanzi, A. Zapata, T. Henry, L. Paredes, W. C. Jao, H. James, R. Hinojosa, G. A. Bakos, Z. Csubry, W. Bhatti, V. Suc, D. Osip, E. E. Mamajek, S. N. Mellon, A. Wyttenbach, R. Stuik, M. Kenworthy, J. Bailey, M. Ireland, S. Crawford, B. Lomberg, R. Kuhn, I. Snellen
Published in: Astronomy & Astrophysics, Issue 635, 2020, Page(s) A60, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201935611

Diffraction-limited integral-field spectroscopy for extreme adaptive optics systems with the multicore fiber-fed integral-field unit

Author(s): Sebastiaan Y. Haffert, Robert J. Harris, Alessio Zanutta, Fraser A. Pike, Andrea Bianco, Eduardo Redaelli, Aurélien Benoît, David G. MacLachlan, Calum A. Ross, Itandehui Gris-Sánchez, Mareike D. Trappen, Yilin Xu, Matthias Blaicher, Pascal Maier, Giulio Riva, Baptiste Sinquin, Caroline Kulcsár, Nazim Ali Bharmal, Eric Gendron, Lazar Staykov, Tim J. Morris, Santiago Barboza, Norbert Muench, Lis
Published in: Journal of Astronomical Telescopes, Instruments, and Systems, Issue 6/04, 2020, ISSN 2329-4124
Publisher: SPIE
DOI: 10.1117/1.jatis.6.4.045007

Searching for reflected light from τ Bootis b with high-resolution ground-based spectroscopy: Approaching the 10 −5 contrast barrier

Author(s): H. J. Hoeijmakers, I. A. G. Snellen, S. E. van Terwisga
Published in: Astronomy & Astrophysics, Issue 610, 2018, Page(s) A47, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201731192

Detecting isotopologues in exoplanet atmospheres using ground-based high-dispersion spectroscopy

Author(s): P. Mollière, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 622, 2019, Page(s) A139, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834169

Studying bright variable stars with the Multi-site All-Sky CAmeRA (MASCARA)

Author(s): O. Burggraaff, G. J. J. Talens, J. Spronck, A.-L. Lesage, R. Stuik, G. P. P. L. Otten, V. Van Eylen, D. Pollacco, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 617, 2018, Page(s) A32, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201833142

Na I and H α absorption features in the atmosphere of MASCARA-2b/KELT-20b

Author(s): N. Casasayas-Barris, E. Pallé, F. Yan, G. Chen, S. Albrecht, L. Nortmann, V. Van Eylen, I. Snellen, G. J. J. Talens, J. I. González Hernández, R. Rebolo, G. P. P. L. Otten
Published in: Astronomy & Astrophysics, Issue 616, 2018, Page(s) A151, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201832963

Detecting Proxima b’s Atmosphere with JWST Targeting CO 2 at 15 μ m Using a High-pass Spectral Filtering Technique

Author(s): I. A. G. Snellen, J.-M. Désert, L. B. F. M. Waters, T. Robinson, V. Meadows, E. F. van Dishoeck, B. R. Brandl, T. Henning, J. Bouwman, F. Lahuis, M. Min, C. Lovis, C. Dominik, V. Van Eylen, D. Sing, G. Anglada-Escudé, J. L. Birkby, M. Brogi
Published in: The Astronomical Journal, Issue 154/2, 2017, Page(s) 77, ISSN 1538-3881
Publisher: AAS & IOP
DOI: 10.3847/1538-3881/aa7fbc

Medium-resolution integral-field spectroscopy for high-contrast exoplanet imaging

Author(s): H. J. Hoeijmakers, H. Schwarz, I. A. G. Snellen, R. J. de Kok, M. Bonnefoy, G. Chauvin, A. M. Lagrange, J. H. Girard
Published in: Astronomy & Astrophysics, Issue 617, 2018, Page(s) A144, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201832902

Discovery of Water at High Spectral Resolution in the Atmosphere of 51 Peg b

Author(s): J. L. Birkby, R. J. de Kok, M. Brogi, H. Schwarz, I. A. G. Snellen
Published in: The Astronomical Journal, Issue 153/3, 2017, Page(s) 138, ISSN 1538-3881
Publisher: AAS & IOP
DOI: 10.3847/1538-3881/aa5c87

Testing the Detectability of Extraterrestrial O 2 with the Extremely Large Telescopes Using Real Data with Real Noise

Author(s): Dilovan B. Serindag, Ignas A. G. Snellen
Published in: The Astrophysical Journal, Issue 871/1, 2019, Page(s) L7, ISSN 2041-8213
Publisher: AAS & IOP
DOI: 10.3847/2041-8213/aafa1f

Detection of nitrogen gas in the β Pictoris circumstellar disc

Author(s): P. A. Wilson, R. Kerr, A. Lecavelier des Etangs, V. Bourrier, A. Vidal-Madjar, F. Kiefer, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 621, 2019, Page(s) A121, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834346

Multiple water band detections in the CARMENES near-infrared transmission spectrum of HD 189733 b

Author(s): F. J. Alonso-Floriano, A. Sánchez-López, I. A. G. Snellen, M. López-Puertas, E. Nagel, P. J. Amado, F. F. Bauer, J. A. Caballero, S. Czesla, L. Nortmann, E. Pallé, M. Salz, A. Reiners, I. Ribas, A. Quirrenbach, J. Aceituno, G. Anglada-Escudé, V. J. S. Béjar, E. W. Guenther, T. Henning, A. Kaminski, M. Kürster, M. Lampón, L. M. Lara, D. Montes, J. C. Morales, L. Tal-Or, J. H. M. M. Schmitt,
Published in: Astronomy & Astrophysics, Issue 621, 2019, Page(s) A74, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834339

Ground-based detection of an extended helium atmosphere in the Saturn-mass exoplanet WASP-69b

Author(s): Lisa Nortmann, Enric Pallé, Michael Salz, Jorge Sanz-Forcada, Evangelos Nagel, F. Javier Alonso-Floriano, Stefan Czesla, Fei Yan, Guo Chen, Ignas A. G. Snellen, Mathias Zechmeister, Jürgen H. M. M. Schmitt, Manuel López-Puertas, Núria Casasayas-Barris, Florian F. Bauer, Pedro J. Amado, José A. Caballero, Stefan Dreizler, Thomas Henning, Manuel Lampón, David Montes, Karan Molaverdikhani, Andr
Published in: Science, Issue 362/6421, 2018, Page(s) 1388-1391, ISSN 0036-8075
Publisher: American Association for the Advancement of Science
DOI: 10.1126/science.aat5348

Detection of He I λ10830 Å absorption on HD 189733 b with CARMENES high-resolution transmission spectroscopy

Author(s): M. Salz, S. Czesla, P. C. Schneider, E. Nagel, J. H. M. M. Schmitt, L. Nortmann, F. J. Alonso-Floriano, M. López-Puertas, M. Lampón, F. F. Bauer, I. A. G. Snellen, E. Pallé, J. A. Caballero, F. Yan, G. Chen, J. Sanz-Forcada, P. J. Amado, A. Quirrenbach, I. Ribas, A. Reiners, V. J. S. Béjar, N. Casasayas-Barris, M. Cortés-Contreras, S. Dreizler, E. W. Guenther, T. Henning, S. V. Jeffers, A. Ka
Published in: Astronomy & Astrophysics, Issue 620, 2018, Page(s) A97, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201833694

An asteroseismic view of the radius valley: stripped cores, not born rocky

Author(s): V Van Eylen, Camilla Agentoft, M S Lundkvist, H Kjeldsen, J E Owen, B J Fulton, E Petigura, I Snellen
Published in: Monthly Notices of the Royal Astronomical Society, Issue 479/4, 2018, Page(s) 4786-4795, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/sty1783

The mass of the young planet Beta Pictoris b through the astrometric motion of its host star

Author(s): I. A. G. Snellen, A. G. A. Brown
Published in: Nature Astronomy, Issue 2/11, 2018, Page(s) 883-886, ISSN 2397-3366
Publisher: Springer Nature
DOI: 10.1038/s41550-018-0561-6

Molecule mapping of HR8799b using OSIRIS on Keck

Author(s): D. J. M. Petit dit de la Roche, H. J. Hoeijmakers, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 616, 2018, Page(s) A146, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201833384

The 13CO-rich atmosphere of a young accreting super-Jupiter

Author(s): Yapeng Zhang; Ignas Snellen; Alexander J. Bohn; Paul Mollière; Christian Ginski; H. Jens Hoeijmakers; H. Jens Hoeijmakers; Matthew A. Kenworthy; Eric E. Mamajek; Eric E. Mamajek; Tiffany Meshkat; Maddalena Reggiani; Frans Snik
Published in: nature, 2021, Page(s) 595, 370-372, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-021-03616-x

MASCARA-3b

Author(s): M. Hjorth, S. Albrecht, G. J. J. Talens, F. Grundahl, A. B. Justesen, G. P. P. L. Otten, V. Antoci, P. Dorval, E. Foxell, M. Fredslund Andersen, F. Murgas, E. Palle, R. Stuik, I. A. G. Snellen, V. Van Eylen
Published in: Astronomy & Astrophysics, Issue 631, 2019, Page(s) A76, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201936082

Moderately misaligned orbit of the warm sub-Saturn HD 332231 b

Author(s): Elyar Sedaghati; A. Sanchez-Lopez; S. Czesla; Manuel López-Puertas; P. J. Amado; Enric Palle; Karan Molaverdikhani; J. A. Caballero; Lisa Nortmann; Andreas Quirrenbach; Ignasi Ribas; Ansgar Reiners
Published in: instname:, Issue 2, 2022, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.48550/arxiv.2110.10282

Spatially resolving the terminator: variation of Fe, temperature, and winds in WASP-76 b across planetary limbs and orbital phase

Author(s): Siddharth Gandhi; Aurora Kesseli; Ignas Snellen; Matteo Brogi; Joost P Wardenier; Vivien Parmentier; Luis Welbanks; Arjun B Savel
Published in: Monthly Notices of the Royal Astronomical Society, Issue 7, 2022, Page(s) Vol 515, 749-766, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stac1744

petitRADTRANS

Author(s): P. Mollière, J. P. Wardenier, R. van Boekel, Th. Henning, K. Molaverdikhani, I. A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 627, 2019, Page(s) A67, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201935470

No molecular absorption signatures from the forming planet PDS70 b

Author(s): G. Cugno; Polychronis Patapis; Tomas Stolker; Sascha P. Quanz; Anna Boehle; H. J. Hoeijmakers; Gabriel-Dominique Marleau; Gabriel-Dominique Marleau; Gabriel-Dominique Marleau; P. Mollière; E. Nasedkin; Ignas Snellen
Published in: Astronomy & Astrophysics, 653, Issue 34, 2021, Page(s) A12, 15, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202140632

Is TiO emission present in the ultra-hot Jupiter WASP-33b? A reassessment using the improved ExoMol TOTO line list

Author(s): Dilovan B. Serindag, Stevanus K. Nugroho, Paul Mollière, Ernst J. W. de Mooij, Neale P. Gibson, Ignas A. G. Snellen
Published in: Astronomy & Astrophysics, Issue 645, 2021, Page(s) A90, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202039135

An Atomic Spectral Survey of WASP-76b: Resolving Chemical Gradients and Asymmetries

Author(s): Aurora Y. Kesseli; I. A. G. Snellen; N. Casasayas-Barris; P. Mollière; A. Sánchez-López
Published in: The Astrophysical Journal, Issue 7, 2022, Page(s) 163, 107, ISSN 0004-637X
Publisher: University of Chicago Press
DOI: 10.3847/1538-3881/ac4336

CS Cha B: A disc-obscured M-type star mimicking a polarised planetary companion

Author(s): S. Y. Haffert, R. G. van Holstein, C. Ginski, J. Brinchmann, I. A. G. Snellen, J. Milli, T. Stolker, C. U. Keller, J. Girard
Published in: Astronomy & Astrophysics, Issue 640, 2020, Page(s) L12, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202038706

Possibly distinct formation pathways of super-Jupiters and brown dwarfs

Author(s): Yapeng Zhang; I. A. G. Snellen; P. Mollière
Published in: VOLUME=656;TITLE=Astronomy and Astrophysics, Issue 10, 2021, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/202141502

A weak spectral signature of water vapour in the atmosphere of HD 179949 b at high spectral resolution in the L band

Author(s): Rebecca K Webb, Matteo Brogi, Siddharth Gandhi, Michael R Line, Jayne L Birkby, Katy L Chubb, Ignas A G Snellen, Sergey N Yurchenko
Published in: Monthly Notices of the Royal Astronomical Society, Issue 494/1, 2020, Page(s) 108-119, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staa715

Search for gas from the disintegrating rocky exoplanet K2-22b

Author(s): A. R. Ridden-Harper, I. A. G. Snellen, C. U. Keller, P. Mollière
Published in: Astronomy & Astrophysics, Issue 628, 2019, Page(s) A70, ISSN 0004-6361
Publisher: Springer Verlag
DOI: 10.1051/0004-6361/201834433

The Orbital Eccentricity of Small Planet Systems

Author(s): Vincent Van Eylen, Simon Albrecht, Xu Huang, Mariah G. MacDonald, Rebekah I. Dawson, Maxwell X. Cai, Daniel Foreman-Mackey, Mia S. Lundkvist, Victor Silva Aguirre, Ignas Snellen, Joshua N. Winn
Published in: The Astronomical Journal, Issue 157/2, 2019, Page(s) 61, ISSN 1538-3881
Publisher: AAS & IOP
DOI: 10.3847/1538-3881/aaf22f

VLT/CRIRES Science Verification Observations: A hint of C18O in the Young Brown Dwarf 2M0355

Author(s): Yapeng Zhang, Ignas A. G. Snellen, Matteo Brogi, and Jayne L. Birkby
Published in: Research Notes of the AAS, 2022, ISSN 2515-5172
Publisher: IOP Publishing
DOI: 10.3847/2515-5172/ac9309

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