Millimeter-wavelength Images of Gaseous Emission in C/1995 O1 (Hale-Bopp)

Details Millimeter-wavelength Images of Gaseous Emission in C/1995 O1 (Hale-Bopp) Millimeter-wavelength Images of Gaseous Emission in C/1995 O1 (Hale-Bopp)

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997dps....29.3406w&link_type=abstract

American Astronomical Society, DPS meeting #29, #34.06; Bulletin of the American Astronomical Society, Vol. 29, p.1041

Astronomy and Astrophysics

Astronomy

Scientific paper

On-the-Fly maps of emission were obtained for CO, HCN, H_2CO and HCO(+) rotational transitions in the range of 226 - 267 GHz in Comet Hale-Bopp during perihelion using the NRAO 12-m telescope with high spectral resolution. The data show that HCN emission appears roughly symmetric about the center of brightness, while CO emission is elongated roughly along the sun-comet-tail direction. The HCO(+) map is more diffuse than the maps of the neutral species and its maximal brightness appears significantly offset from the nucleus along the tailward direction. Image maps, spectra and spatial profiles will be presented and implications for constraining physical and chemical models of the inner coma will be discussed.

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