Exoplanetary atmospheres: key insights, challenges, and prospects

N Madhusudhan - Annual Review of Astronomy and …, 2019 - annualreviews.org
Exoplanetary science is on the verge of an unprecedented revolution. The thousands of
exoplanets discovered over the past decade have most recently been supplemented by …

Exoplanetary atmospheres—chemistry, formation conditions, and habitability

N Madhusudhan, M Agúndez, JI Moses, Y Hu - Space science reviews, 2016 - Springer
Characterizing the atmospheres of extrasolar planets is the new frontier in exoplanetary
science. The last two decades of exoplanet discoveries have revealed that exoplanets are …

A solar C/O and sub-solar metallicity in a hot Jupiter atmosphere

MR Line, M Brogi, JL Bean, S Gandhi, J Zalesky… - Nature, 2021 - nature.com
Measurements of the atmospheric carbon (C) and oxygen (O) relative to hydrogen (H) in hot
Jupiters (relative to their host stars) provide insight into their formation location and …

Retrieving temperatures and abundances of exoplanet atmospheres with high-resolution cross-correlation spectroscopy

M Brogi, MR Line - The Astronomical Journal, 2019 - iopscience.iop.org
High-resolution spectroscopy (R≥ 25,000) has recently emerged as one of the leading
methods for detecting atomic and molecular species in the atmospheres of exoplanets …

A population study of gaseous exoplanets

A Tsiaras, IP Waldmann, T Zingales… - The Astronomical …, 2018 - iopscience.iop.org
We present here the analysis of 30 gaseous extrasolar planets, with temperatures between
600 and 2400 K and radii between 0.35 and 1.9 R Jup. The quality of the HST/WFC3 …

Fast spin of the young extrasolar planet β Pictoris b

IAG Snellen, BR Brandl, RJ De Kok, M Brogi, J Birkby… - Nature, 2014 - nature.com
The spin of a planet arises from the accretion of angular momentum during its formation,,,
but the details of this process are still unclear. In the Solar System, the equatorial rotation …

Where is the water? Jupiter-like C/H ratio but strong H2O depletion found on τ Boötis b using SPIRou

S Pelletier, B Benneke, A Darveau-Bernier… - The Astronomical …, 2021 - iopscience.iop.org
The present-day envelope of gaseous planets is a relic of how these giant planets originated
and evolved. Measuring their elemental composition therefore presents a powerful …

Detection of water absorption in the day side atmosphere of HD 189733 b using ground-based high-resolution spectroscopy at 3.2 μm

JL Birkby, RJ De Kok, M Brogi… - Monthly Notices of …, 2013 - academic.oup.com
We report a 4.8 σ detection of water absorption features in the day side spectrum of the hot
Jupiter HD 189733 b. We used high-resolution (R∼ 100 000) spectra taken at 3.2 μm with …

High-resolution Spectroscopic Detection of TiO and a Stratosphere in the Day-side of WASP-33b

SK Nugroho, H Kawahara, K Masuda… - The Astronomical …, 2017 - iopscience.iop.org
We report high-resolution spectroscopic detection of TiO molecular signature in the day-side
spectra of WASP-33b, the second hottest known hot Jupiter. We used the High Dispersion …

Neutral iron emission lines from the dayside of KELT-9b: the GAPS program with HARPS-N at TNG XX

L Pino, JM Désert, M Brogi, L Malavolta… - The Astrophysical …, 2020 - iopscience.iop.org
We present the first detection of atomic emission lines from the atmosphere of an exoplanet.
We detect neutral iron lines from the dayside of KELT-9b (T eq∼ 4000 K). We combined …