MOLECULAR ABUNDANCES IN THE SAGITTARIUS-A MOLECULAR CLOUD
Journal or Book Title
ASTRONOMY AND ASTROPHYSICS
We have obtained column densities for HCO(+), HCO, HCS(+), C3H2, HC5N, SiO, OCS, HCOOH, CH3CH2OH, and CH3CCH toward Sgr A. The fractional abundance of SiO relative to molecular hydrogen in Sgr A is comparable to that for the Orion plateau, about 10 exp-7 to 10 exp -8, which may be a typical value for hot clouds. The abundances of HCO, CH3CH2OH, and CH3CCH all appear to be enhanced relative to other molecular clouds such as Sgr B2.
MINH, YC; Irvine, William M.; and FRIBERG, P, "MOLECULAR ABUNDANCES IN THE SAGITTARIUS-A MOLECULAR CLOUD" (1992). ASTRONOMY AND ASTROPHYSICS. 235.
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