Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986inpr.conf...65l&link_type=abstract
In NASA. Ames Research Center Summer School on Interstellar Processes: Abstracts of Contributed Papers p 65-66 (SEE N87-15043 0
Astronomy and Astrophysics
Astronomy
Carbon Stars, Infrared Spectra, Interstellar Matter, Statistical Distributions, Stellar Evolution, Stellar Mass, Color-Color Diagram, Color-Magnitude Diagram, Infrared Astronomy Satellite, Losses, Star Formation
Scientific paper
Data produced by the Infrared Astronomy Satellite (IRAS) was surveyed at the mid- and far-infrared wavelengths. Visually-identified carbon stars in the 12/25/60 micron color-color diagram were plotted, along with the location of a number of mass-losing stars that lie near the location of the carbon stars, but are not carbon rich. The final sample consisted of 619 objects, which were estimated to be contaminated by 7 % noncarbon-rich objects. The mass return rate was estimated for all evolved circumstellar envelopes. The IRAS Point Source Catalog (PSC) was also searched for the entire class of stars with excess emission. Mass-loss rates, lifetimes, and birthrates for evolved stars were also estimated.
Bally John
Black John
Hacking Paul
Latter William B.
Thronson Harley A. Jr.
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