Episodic outflows from high-mass protostars

Details Episodic outflows from high-mass protostars Episodic outflows from high-mass protostars

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...371..342m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 371, April 10, 1991, p. 342-356.

Astronomy and Astrophysics

Astrophysics

59

Early Stars, Gas Flow, Infrared Spectroscopy, Protostars, Stellar Luminosity, Stellar Mass, Carbon Monoxide, Line Shape, Pre-Main Sequence Stars, Spectral Bands

Scientific paper

This paper examines the kinematics and physical properties of the outflowing gas from seven luminous deeply embedded young stellar objects or protostars: M8E-IR, GL 490, GL 2591, W3 IRS 5, NGC 7538 IRS 1, NGC 7538 IRS 9, and S140 IRS 1. The outflows are seen as blueshifted absorption features in lines of the fundamental band of CO. The CO lines seen in absorption are compared with CO lines seen in emission at mm wavelengths. New CO J = 2-1 emission-line data are presented for the first five of the sources.

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