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 …

Exploring the Saturn system in the thermal infrared: The composite infrared spectrometer

FM Flasar, VG Kunde, MM Abbas… - The Cassini-Huygens …, 2004 - Springer
Abstract The Composite Infrared Spectrometer (CIRS) is a remote-sensing Fourier
Transform Spectrometer (FTS) on the Cassini orbiter that measures thermal radiation over …

A comparative study of atmospheric chemistry with VULCAN

SM Tsai, M Malik, D Kitzmann, JR Lyons… - The Astrophysical …, 2021 - iopscience.iop.org
We present an update of the open-source photochemical kinetics code VULCAN to include
C–H–N–O–S networks and photochemistry. The additional new features are advection …

Disequilibrium carbon, oxygen, and nitrogen chemistry in the atmospheres of HD 189733b and HD 209458b

JI Moses, C Visscher, JJ Fortney… - The Astrophysical …, 2011 - iopscience.iop.org
We have developed a one-dimensional photochemical and thermochemical kinetics and
diffusion model to study the effects of disequilibrium chemistry on the atmospheric …

A hierarchy of homodesmotic reactions for thermochemistry

SE Wheeler, KN Houk, PR Schleyer… - Journal of the American …, 2009 - ACS Publications
Chemical equations that balance bond types and atom hybridization to different degrees are
often used in computational thermochemistry, for example, to increase accuracy when lower …

Chemical consequences of the C/O ratio on hot Jupiters: examples from WASP-12b, CoRoT-2b, XO-1b, and HD 189733b

JI Moses, N Madhusudhan, C Visscher… - The Astrophysical …, 2012 - iopscience.iop.org
Motivated by recent spectroscopic evidence for carbon-rich atmospheres on some transiting
exoplanets, we investigate the influence of the C/O ratio on the chemistry, composition, and …

Ion chemistry and N-containing molecules in Titan's upper atmosphere

V Vuitton, RV Yelle, MJ McEwan - Icarus, 2007 - Elsevier
High-energy photons, electrons, and ions initiate ion–neutral chemistry in Titan's upper
atmosphere by ionizing the major neutral species (nitrogen and methane). The Ion and …

Physical and chemical aeronomy of HD 209458b

AG Muñoz - Planetary and Space Science, 2007 - Elsevier
We report on the physical and chemical aeronomy of the hot Jupiter HD 209458b, a
prominent case in the growing sample of known extrasolar planets. Our work is motivated by …

VULCAN: an open-source, validated chemical kinetics Python code for exoplanetary atmospheres

SM Tsai, JR Lyons, L Grosheintz… - The Astrophysical …, 2017 - iopscience.iop.org
We present an open-source and validated chemical kinetics code for studying hot
exoplanetary atmospheres, which we name VULCAN. It is constructed for gaseous …

Coupling photochemistry with haze formation in Titan's atmosphere, Part II: Results and validation with Cassini/Huygens data

PP Lavvas, A Coustenis, IM Vardavas - Planetary and Space Science, 2008 - Elsevier
The new one-dimensional radiative–convective/photochemical/microphysical model
described in Part I is applied to the study of Titan's atmospheric processes that lead to haze …