The total column densities and fractional abundances of CH3CN, CH3OH, HCOOCH3 and 13CS in W51 cores

We present interferometric observations of the W51 region at 2.7 mm and 3.3 mm with the Berkeley-Illinois-Maryland Association Array. The lines of CH3CN (J = 6 − 5, K = 0,1,2,3,4), CH3OH (15−2−151 E), HCOOCH3-A (71,6 − 615), HCOOCH3-E (71,6 − 615) and 13CS (2-1) as well as the 2.7 mm continuum towar...

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Bibliographic Details
Published inScience China. Physics, mechanics & astronomy Vol. 48; no. 2; pp. 158 - 167
Main Authors Pei, Chunchuan, Ma, Hongjun, Zeng, Qin, Li, Bo
Format Journal Article
LanguageEnglish
Published Beijing Springer Nature B.V 01.04.2005
Subjects
Cores
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Summary:We present interferometric observations of the W51 region at 2.7 mm and 3.3 mm with the Berkeley-Illinois-Maryland Association Array. The lines of CH3CN (J = 6 − 5, K = 0,1,2,3,4), CH3OH (15−2−151 E), HCOOCH3-A (71,6 − 615), HCOOCH3-E (71,6 − 615) and 13CS (2-1) as well as the 2.7 mm continuum toward W51 have been observed. The derived total beam-averaged column densities NT and fractional abundances of CH3CN, CH3OH, HCOOCH3 and 13CS in W51 cores have been obtained.
ISSN:1674-7348
1869-1927
DOI:10.1360/04yw0109