Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...301..894e&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 301, Feb. 15, 1986, p. 894-900. Previously announced in STAR as N86-17866.
Astronomy and Astrophysics
Astrophysics
40
Astrography, Carbon Monoxide, Far Infrared Radiation, Infrared Astronomy, Infrared Photometry, Late Stars, Maps, Molecular Clouds, Photometry, Stellar Winds, Astronomical Spectroscopy, Astrophysics, C-141 Aircraft, Gas Jets, Interstellar Gas, Line Spectra, Stellar Evolution
Scientific paper
A sample of 14 low-mass premain-sequence stars were studied in the far-infrared. There is evidence for outflowing material around twelve of these stars; in most cases the evidence includes broad wings on the profiles of the CO J = 2 to 1 line. Ten of the objects were detected (5 sigma) at 100 micros, and seven were mapped at 50 and 100 micros. The far-infrared emission makes a significant contribution to the total luminosity of the objects. It is found that the force available from radiation pressure is not sufficient to drive the outflows. Any process which taps the same energy source as does the present stellar luminosity must have high efficiency.
Evans Neal J. II
Harvey Paul Michael
Levreault Russell M.
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