A survey of CO, CO2, and H2O in comets and centaurs

OH Pinto, M Womack, Y Fernandez… - The Planetary Science …, 2022 - iopscience.iop.org
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 …

Remote infrared observations of parent volatiles in comets: A window on the early solar system

MJ Mumma, MA DiSanti, ND Russo… - Advances in Space …, 2003 - Elsevier
Organic volatiles and water in Oort Cloud comets were investigated at infrared wavelengths.
The detected species include H2O, CO, CH3OH, CH4, C2H2, C2H6, OCS, HCN, NH3, and …

Methane in Oort cloud comets

EL Gibb, MJ Mumma, ND Russo, MA DiSanti… - Icarus, 2003 - Elsevier
We detected CH4 in eight Oort cloud comets using high-dispersion (λ/Δλ∼ 2× 104) infrared
spectra acquired with CSHELL at NASA's IRTF and NIRSPEC at the WM Keck Observatory …

Spectral analysis of the Chandra comet survey

D Bodewits, DJ Christian, M Torney, M Dryer… - Astronomy & …, 2007 - aanda.org
Aims. We present results of the analysis of cometary X-ray spectra with an extended version
of our charge exchange emission model (Bodewits et al. 2006). We have applied this model …

Investigation of the origins of comets as revealed through infrared high-resolution spectroscopy I. Molecular abundances

M Lippi, GL Villanueva, MJ Mumma… - The Astronomical …, 2021 - iopscience.iop.org
We report and analyze updated molecular abundances in 20 comets obtained by employing
modern data reduction procedures and molecular models. Using box and scatter plots, we …

Pre-and post-perihelion observations of C/2009 P1 (Garradd): Evidence for an oxygen-rich heritage?

MA DiSanti, GL Villanueva, L Paganini, BP Bonev… - Icarus, 2014 - Elsevier
We conducted pre-and post-perihelion observations of Comet C/2009 P1 (Garradd) on UT
2011 October 13 and 2012 January 8, at heliocentric distances of 1.83 and 1.57 AU …

Ethane production and release in Comet C/1995 O1 Hale–Bopp

ND Russo, MJ Mumma, MA DiSanti, K Magee-Sauer… - Icarus, 2001 - Elsevier
Ethane (C2H6) was detected in Comet C/1995 O1 Hale–Bopp on 13 dates between UT
1996 September 20.3 (Rh= 3.01 AU pre-perihelion) and 1997 September 25.7 (Rh= 2.83 …

A search for argon and O VI in three comets using the Far Ultraviolet Spectroscopic Explorer

HA Weaver, PD Feldman, MR Combi… - The Astrophysical …, 2002 - iopscience.iop.org
We conducted a sensitive search for the resonance lines of Ar I (λ λ 1048.22, 1066.66) and
O VI (λ λ 1031.93, 1037.62) in the spectra of three long-period comets observed with the Far …

Masses of long-period comets derived from non-gravitational effects–analysis of the computed results and the consistency and reliability of the non-gravitational …

A Sosa, JA Fernández - Monthly Notices of the Royal …, 2011 - academic.oup.com
We estimate masses for a selected sample of long-period comets (LPCs)(with orbital periods
P> 1000 yr and perihelion distances q< 2 au), with good photometric visual light curves and …

Evidence for a dominant native source of carbon monoxide in Comet C/1996 B2 (Hyakutake)

MA DiSanti, MJ Mumma, N Dello Russo… - Journal of …, 2003 - Wiley Online Library
Carbon monoxide was measured in C/1996 B2 (Hyakutake) on four preperihelion dates, UT
1996 March 24.5 and April 10.2–12.2, using CSHELL at the NASA Infrared Telescope …