Infrared study of infrared carbon stars based on 2MASS, IRAS and ISO SWS data

Details Infrared study of infrared carbon stars based on 2MASS, IRAS and ISO SWS data Infrared study of infrared carbon stars based on 2MASS, IRAS and ISO SWS data

Apr 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ap%26ss.314..291c&link_type=abstract

Astrophysics and Space Science, Volume 314, Issue 4, pp.291-310

Astronomy and Astrophysics

Astrophysics

5

Stars: Late-Type, Stars: Carbon, Infrared: Stars

Scientific paper

For this paper, we collected all infrared carbon stars (IRCSs) known so far from the literature and identified the 2MASS counterparts of all IRCSs. Using 2MASS, IRAS and ISO SWS data, we investigate the infrared properties of IRCSs. We find that the infrared colors and temperatures of IRCSs—not only in the IRAS region but also in the near infrared—are between those for visual carbon stars and extreme carbon stars. The results in this paper strongly support the suggestion that the sequence of visual carbon stars → infrared carbon stars → extreme carbon stars is the evolutionary sequence in the AGB phase for carbon-rich stars. In addition, using the ISO SWS data, we find that an evolutionary sequence also exists within the IRCS stage.

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