Study of the Star-Forming Region L379 IRS3 in CH3OH and CS

Astronomy and Astrophysics – Astronomy

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Scientific paper

A molecular cloud and high-velocity outflow associated with the star-forming region L379 IRS3 have been mapped in the 6-1-50 E methanol and CS (3-2) lines using the 12-meter Kitt Peak telescope. The estimated CS column density and abundance in the molecular cloud are 8×1014 cm-2 and 4×10-9, respectively. LVG modeling of the methanol emission constrains the gas density in the cloud to (1 4)×105 cm-3 and the gas kinetic temperature to 20 45 K. The upper limit on the density of the high-velocity gas is 105 cm-3.

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