Outflow velocities from carbon stars

Details Outflow velocities from carbon stars Outflow velocities from carbon stars

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...209..119z&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 209, no. 1-2, Jan. 1989, p. 119-125.

Astronomy and Astrophysics

Astronomy

58

Carbon Stars, Molecular Spectra, Red Giant Stars, Stellar Envelopes, Stellar Mass Ejection, Carbon Monoxide, Infrared Astronomy Satellite, Planetary Nebulae

Scientific paper

A plot of outflow velocity versus galactic latitude for a sample of 103 galactic stars suggests that carbon stars must originate from stars that had a fairly wide range of masses when they were on the main sequence. The CO rotational emission J = 2 to 1 or 1 to 0 has been detected in the circumstellar envelopes around 22 red giant stars and one planetary nebula. The molecular gas toward NGC 6302 is shown to be associated with the planetary nebula.

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