A survey of CS J = 7 - 6 in regions of massive star formation

Details A survey of CS J = 7 - 6 in regions of massive star formation A survey of CS J = 7 - 6 in regions of massive star formation

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apjs...78..505p&link_type=abstract

Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 78, Feb. 1992, p. 505-515. Research supported by Texas Advanced R

Astronomy and Astrophysics

Astronomy

140

Interstellar Masers, Massive Stars, Sky Surveys (Astronomy), Star Formation, Astronomical Spectroscopy, Emission Spectra, Molecular Clouds, Water Masers

Scientific paper

Results are presented of a survey for CS J = 7 - 6 emission towards 179 star-forming regions, selected by the presence of an H2O maser with an accurate position. The line is detected in 104 sources (58 percent); the detections have a mean T*R of 2.9 K and a mean fT*Rdv of 28 K km/s. On the basis of LVG excitation calculations, it is estimated that the densities are between log (n) of 4.7 and 6.7 for a CS 7 - 6 optical depth of 1.

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