Other
Scientific paper
Jul 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997dps....29.3722d&link_type=abstract
American Astronomical Society, DPS meeting #29, #37.22; Bulletin of the American Astronomical Society, Vol. 29, p.1050
Other
1
Scientific paper
Water is the dominant volatile constituent in comets, and the species to which other molecular production rates are compared. Ground-based detection of cometary water is normally impossible because of severe extinction by terrestrial water. We developed a method for detecting water in comets by hot-band fluorescence in the infrared which we have demonstrated for three vibrational bands. Using this approach, a production rate, rotational temperature and ortho/para ratio was determined for water in Comet C/1996 B2 from late March to early April, 1996. Observations from January to May, 1997 on Comet C/1995 01 have provided a rotational temperature and ortho/para ratio for water as well as the production rate as a function of heliocentric distance. These observations were made using the CSHELL cryogenic grating spectrometer at the NASA Infrared Telescope Facility on Mauna Kea.
Dello Russo Neil
DiSanti Michael A.
Greenspan Daniel
Magee-Sauer Karen
Mumma Michael J.
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