Evidence for disequilibrium chemistry from vertical mixing in hot Jupiter atmospheres-A comprehensive survey of transiting close-in gas giant exoplanets with warm …

C Baxter, JM Désert, SM Tsai, KO Todorov… - Astronomy & …, 2021 - aanda.org
Aims. We present a large atmospheric study of 49 gas giant exoplanets using infrared
transmission photometry with Spitzer/IRAC at 3.6 and 4.5 μm. Methods. We uniformly …

A Technique for Extracting Highly Precise Photometry for the Two-Wheeled Kepler Mission

A Vanderburg, JA Johnson - … of the Astronomical Society of the …, 2014 - iopscience.iop.org
The original Kepler mission achieved high photometric precision thanks to ultrastable
pointing enabled by use of four reaction wheels. The loss of two of these reaction wheels …

SPITZER SECONDARY ECLIPSES OF THE DENSE, MODESTLY-IRRADIATED, GIANT EXOPLANET HAT-P-USING PIXEL-LEVEL DECORRELATION

D Deming, H Knutson, J Kammer… - The Astrophysical …, 2015 - iopscience.iop.org
ABSTRACT HAT-P-20b is a giant metal-rich exoplanet orbiting a metal-rich star. We analyze
two secondary eclipses of the planet in each of the 3.6 and 4.5 μm bands of Warm Spitzer …

Water vapour absorption in the clear atmosphere of a Neptune-sized exoplanet

J Fraine, D Deming, B Benneke, H Knutson, A Jordán… - Nature, 2014 - nature.com
Transmission spectroscopy has so far detected atomic and molecular absorption in Jupiter-
sized exoplanets, but intense efforts to measure molecular absorption in the atmospheres of …

3.6 and 4.5 μm phase curves and evidence for non-equilibrium chemistry in the atmosphere of extrasolar planet HD 189733b

HA Knutson, N Lewis, JJ Fortney… - The Astrophysical …, 2012 - iopscience.iop.org
We present new, full-orbit observations of the infrared phase variations of the canonical hot
Jupiter HD 189733b obtained in the 3.6 and 4.5 μm bands using the Spitzer Space …

A framework for characterizing the atmospheres of low-mass low-density transiting planets

JJ Fortney, C Mordasini, N Nettelmann… - The Astrophysical …, 2013 - iopscience.iop.org
We perform modeling investigations to aid in understanding the atmospheres and
composition of small planets of∼ 2–4 Earth radii, which are now known to be common in our …

The transiting exoplanet community early release science program for JWST

JL Bean, KB Stevenson, NM Batalha… - Publications of the …, 2018 - iopscience.iop.org
Abstract The James Webb Space Telescope (JWST) presents the opportunity to transform
our understanding of planets and the origins of life by revealing the atmospheric …

Kepler-22b: a 2.4 Earth-radius planet in the habitable zone of a Sun-like star

WJ Borucki, DG Koch, N Batalha… - The Astrophysical …, 2012 - iopscience.iop.org
ABSTRACT A search of the time-series photometry from NASA's Kepler spacecraft reveals a
transiting planet candidate orbiting the 11th magnitude G5 dwarf KIC 10593626 with a …

The 4.5 μm full-orbit phase curve of the hot Jupiter HD 209458b

RT Zellem, NK Lewis, HA Knutson… - The Astrophysical …, 2014 - iopscience.iop.org
The hot Jupiter HD 209458b is particularly amenable to detailed study as it is among the
brightest transiting exoplanet systems currently known (V-mag= 7.65; K-mag= 6.308) and …

Variability in the super-Earth 55 Cnc e

BO Demory, M Gillon, N Madhusudhan… - Monthly Notices of the …, 2016 - academic.oup.com
Considerable progress has been made in recent years in observations of atmospheric
signatures of giant exoplanets, but processes in rocky exoplanets remain largely unknown …