Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...386..604m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 386, Feb. 20, 1992, p. 604-617.
Astronomy and Astrophysics
Astronomy
48
Carbon Monoxide, Infrared Sources (Astronomy), Interstellar Gas, Molecular Clouds, Molecular Flow, Bipolarity, Emission Spectra, Gas Flow, Line Spectra, Spectrum Analysis
Scientific paper
Results are presented of the mapping, at 21-arcsec resolution, of the CO J = 2 - 1 emission from four high-velocity sources. Observations of (C-13) J = 2 - 1 are combined with the (C-12)O data to determine the mass, dynamical times scales, and mass-loss rates of the outflowing gas. A comparison is made between the momentum and mass-loss rates of CO outflows previously found from GL 2591, M8E-IR, and W3 IRS 5 using the fundamental vibrational band of CO in the IR, and the momentum and mass-loss rates obtained in this paper from CO emission line data. It is concluded from the comparison that a suggested direct causal link between the IR outflows and the extended bipolar flows remains feasible, but is, as yet, unproven.
Hasegawa Tatsuhiko I.
Mitchell George F.
Schella Jason
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