Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013
ND Russo, H Kawakita, RJ Vervack Jr, HA Weaver - Icarus, 2016 - Elsevier
A systematic analysis of the mixing ratios with respect to H 2 O for eight species (CH 3 OH,
HCN, NH 3, H 2 CO, C 2 H 2, C 2 H 6, CH 4, and CO) measured with high-resolution infrared …
HCN, NH 3, H 2 CO, C 2 H 2, C 2 H 6, CH 4, and CO) measured with high-resolution infrared …
Planetary Spectrum Generator: An accurate online radiative transfer suite for atmospheres, comets, small bodies and exoplanets
GL Villanueva, MD Smith, S Protopapa, S Faggi… - Journal of Quantitative …, 2018 - Elsevier
We have developed an online radiative-transfer suite (https://psg. gsfc. nasa. gov) applicable
to a broad range of planetary objects (eg, planets, moons, comets, asteroids, TNOs, KBOs …
to a broad range of planetary objects (eg, planets, moons, comets, asteroids, TNOs, KBOs …
The composition of the protosolar disk and the formation conditions for comets
K Willacy, C Alexander, M Ali-Dib, C Ceccarelli… - Space Science …, 2015 - Springer
Conditions in the protosolar nebula have left their mark in the composition of cometary
volatiles, thought to be some of the most pristine material in the solar system. Cometary …
volatiles, thought to be some of the most pristine material in the solar system. Cometary …
Comet 67P/Churyumov-Gerasimenko sheds dust coat accumulated over the past four years
R Schulz, M Hilchenbach, Y Langevin, J Kissel, J Silen… - Nature, 2015 - nature.com
Comets are composed of dust and frozen gases. The ices are mixed with the refractory
material either as an icy conglomerate, or as an aggregate of pre-solar grains (grains that …
material either as an icy conglomerate, or as an aggregate of pre-solar grains (grains that …
A survey of CO, CO2, and H2O in comets and centaurs
CO and CO 2 are the two dominant carbon-bearing molecules in comae and have major
roles in driving activity. Their relative abundances also provide strong observational …
roles in driving activity. Their relative abundances also provide strong observational …
The peculiar volatile composition of CO-dominated comet C/2016 R2 (PanSTARRS)
AJ McKay, MA DiSanti, MSP Kelley… - The Astronomical …, 2019 - iopscience.iop.org
Abstract Comet C/2016 R2 (PanSTARRS) has a peculiar volatile composition, with CO
being the dominant volatile, as opposed to H 2 O, and one of the largest N 2/CO ratios ever …
being the dominant volatile, as opposed to H 2 O, and one of the largest N 2/CO ratios ever …
Variability due to climate and chemistry in observations of oxygenated Earth-analogue exoplanets
ABSTRACT The Great Oxidation Event was a period during which Earth's atmospheric
oxygen (O2) concentrations increased from∼ 10− 5 times its present atmospheric level …
oxygen (O2) concentrations increased from∼ 10− 5 times its present atmospheric level …
Entrapment of Hypervolatiles in Interstellar and Cometary H2O and CO2 Ice Analogs
Planets and planetesimals acquire their volatiles through ice and gas accretion in
protoplanetary disks. In these disks, the division of volatile molecules between the …
protoplanetary disks. In these disks, the division of volatile molecules between the …
ExoMol line lists–VIII. A variationally computed line list for hot formaldehyde
AF Al-Refaie, A Yachmenev, J Tennyson… - Monthly Notices of …, 2015 - academic.oup.com
A computed line list for formaldehyde, H212C16O, applicable to temperatures up to T= 1500
K is presented. An empirical potential energy and ab initio dipole moment surfaces are used …
K is presented. An empirical potential energy and ab initio dipole moment surfaces are used …
Chemodynamical deuterium fractionation in the early solar nebula: The origin of water on earth and in asteroids and comets
T Albertsson, D Semenov, T Henning - The Astrophysical Journal, 2014 - iopscience.iop.org
Formation and evolution of water in the solar system and the origin of water on Earth
constitute one of the most interesting questions in astronomy. The prevailing hypothesis for …
constitute one of the most interesting questions in astronomy. The prevailing hypothesis for …