Observations of exoplanet atmospheres

IJM Crossfield - Publications of the Astronomical Society of the …, 2015 - iopscience.iop.org
Detailed characterization of an extrasolar planet's atmosphere provides the best hope for
distinguishing the makeup of its outer layers, and the only hope for understanding the …

Five key exoplanet questions answered via the analysis of 25 hot-Jupiter atmospheres in eclipse

Q Changeat, B Edwards, AF Al-Refaie… - The Astrophysical …, 2022 - iopscience.iop.org
Population studies of exoplanets are key to unlocking their statistical properties. So far, the
inferred properties have been mostly limited to planetary, orbital, and stellar parameters …

A detection of water in the transmission spectrum of the hot Jupiter WASP-12b and implications for its atmospheric composition

L Kreidberg, MR Line, JL Bean… - The Astrophysical …, 2015 - iopscience.iop.org
Detailed characterization of exoplanets has begun to yield measurements of their
atmospheric properties that constrain the planets' origins and evolution. For example, past …

Statistics of long period gas giant planets in known planetary systems

ML Bryan, HA Knutson, AW Howard… - The Astrophysical …, 2016 - iopscience.iop.org
We conducted a Doppler survey at Keck combined with NIRC2 K-band adaptive optics (AO)
imaging to search for massive, long-period companions to 123 known exoplanet systems …

The Apparently Decaying Orbit of WASP-12

KC Patra, JN Winn, MJ Holman, L Yu… - arxiv preprint arxiv …, 2017 - arxiv.org
We present new transit and occultation times for the hot Jupiter WASP-12b. The data are
compatible with a constant period derivative: $\dot {P}=-29\pm 3$ ms yr $^{-1} $ and $ P/\dot …

FRIENDS OF HOT JUPITERS. II. NO CORRESPONDENCE BETWEEN HOT-JUPITER SPIN–ORBIT MISALIGNMENT AND THE INCIDENCE OF DIRECTLY IMAGED …

H Ngo, HA Knutson, S Hinkley, JR Crepp… - The Astrophysical …, 2015 - iopscience.iop.org
Multi-star systems are common, yet little is known about a stellar companion's influence on
the formation and evolution of planetary systems. For instance, stellar companions may have …

Statistical characterization of hot Jupiter atmospheres using Spitzer's secondary eclipses

E Garhart, D Deming, A Mandell… - The Astronomical …, 2020 - iopscience.iop.org
We report 78 secondary eclipse depths for a sample of 36 transiting hot Jupiters observed at
3.6 and 4.5 μm using the Spitzer Space Telescope. Our eclipse results for 27 of these …

Multicolour photometry for exoplanet candidate validation

H Parviainen, B Tingley, HJ Deeg, E Palle… - Astronomy & …, 2019 - aanda.org
Context. The TESS and PLATO missions are expected to find vast numbers of new transiting
planet candidates. However, only a fraction of these candidates will be legitimate planets …

Deciphering the atmospheric composition of WASP-12b: A comprehensive analysis of its dayside emission

KB Stevenson, JL Bean, N Madhusudhan… - The Astrophysical …, 2014 - iopscience.iop.org
ABSTRACT WASP-12b was the first planet reported to have a carbon-to-oxygen ratio (C/O)
greater than one in its dayside atmosphere. However, recent work to further characterize its …

Ground-based near-UV observations of 15 transiting exoplanets: constraints on their atmospheres and no evidence for asymmetrical transits

JD Turner, KA Pearson, LI Biddle… - Monthly Notices of …, 2016 - academic.oup.com
Transits of exoplanets observed in the near-UV have been used to study the scattering
properties of their atmospheres and possible star–planet interactions. We observed the …