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

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Publications

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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
DOI: 10.1051/0004-6361/201833384

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
DOI: 10.3847/1538-3881/aaf22f