IRAS photometry of dust shells around RCB stars and other cool carbon stars

Details IRAS photometry of dust shells around RCB stars and other cool carbon stars IRAS photometry of dust shells around RCB stars and other cool carbon stars

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986iraj...17..318w&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 17, March 1986, p. 318-322.

Astronomy and Astrophysics

Astronomy

1

Carbon Stars, Cool Stars, Infrared Astronomy Satellite, Infrared Photometry, R Coronae Borealis Stars, Stellar Envelopes, Classifying, Color-Color Diagram, Dust, Graphite, Stellar Color, Stellar Spectra

Scientific paper

Most R Coronae Borealis (RCB) stars have no significant contribution from the central star towards the fluxes observed by IRAS. In an attempt to classify the stars in the IRAS domain, a color-color diagram was constructed using the conventions of the (U-B)/(B-V) diagram. The RCB stars are noted to form an almost horizontal line across the diagram, and the smooth spectrum cool carbon stars show a tendency to lie above this line. The RCB stars are concluded to have dust shells; the graphite feature at 2400 A can be modeled using all glassy/graphite spheres and amorphous carbon smoke.

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