Temporal and Spatial Variability of Parent Molecules in Comet Hale-Bopp

Details Temporal and Spatial Variability of Parent Molecules in Comet Hale-Bopp Temporal and Spatial Variability of Parent Molecules in Comet Hale-Bopp

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997dps....29.3701w&link_type=abstract

American Astronomical Society, DPS meeting #29, #37.01; Bulletin of the American Astronomical Society, Vol. 29, p.1046

Astronomy and Astrophysics

Astronomy

2

Scientific paper

Over the past year we have monitored the bright and exceptionally active Comet Hale-Bopp (1995 O1). Our program has concentrated on millimeter-wave observations of sulfur bearing molecules in an effort to understand the total sulfur budget of the comet. Using the National Radio Astronomy Observatory 12-m telescope on Kitt Peak we have been observing both the long and short-term variations in H_2S, CS, OCS and SO. Additionally, we observed H_2CS for the first time in any comet. Near perihelion this effort expanded to include interferometric observations with the Berkeley-Illinois-Maryland Association (BIMA) Array. The multi-institution comet observing team obtained a wide variety of successful observations with the array. The portion of these data discussed here will include both maps of CS and maps of HCN which were made simultaneously with images of the comet through a narrow-band CN filter at Lowell Observatory. These concurrent HCN/CN observations allow the comparison of the morphologies of a parent and its daughter species.

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