Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010dps....42.2817m&link_type=abstract
American Astronomical Society, DPS meeting #42, #28.17; Bulletin of the American Astronomical Society, Vol. 42, p.963
Astronomy and Astrophysics
Astronomy
1
Scientific paper
We report pre-perihelion spectral observations of C/2009 R1 with the SMT on UT 2010 May 25, 29, 31 and June 1, the KPNO 12-m telescope on UT June 10 and 14, and IRTF-CSHELL on UT May 25 and June 22. Limited solar elongation throughout this period (from 45 - 24 degrees) presented challenges - nevertheless we detected emissions from multiple parent volatiles (HCN, H2CO, CH3OH, CO, CH4, C2H6, H2O) plus two photo-dissociation products (CS, OH prompt emission). Preliminary analysis indicates neither severely enriched nor severely depleted abundances. Our results will be presented and discussed. We gratefully acknowledge support from the NSF Astronomy and Astrophyics Program, NASA Planetary Astronomy Program, NASA Planetary Atmospheres Program, and the NASA Astrobiology Program.
Bonev Boncho P. .
Charnley Steven B.
DiSanti Michael A.
Milam Stefanie N.
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