A model of the R Coronae Borealis phenomenon

Details A model of the R Coronae Borealis phenomenon A model of the R Coronae Borealis phenomenon

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984azh....61..491p&link_type=abstract

(Astronomicheskii Zhurnal, vol. 61, May-June 1984, p. 491-499) Soviet Astronomy (ISSN 0038-5301), vol. 28, May-June 1984, p. 288

Astronomy and Astrophysics

Astronomy

6

R Coronae Borealis Stars, Stellar Models, Supergiant Stars, Variable Stars, Infrared Radiation, Stellar Color, Stellar Envelopes, Stellar Temperature

Scientific paper

Semiregular pulsations of R CrB stars are shown to play the leading part of the total-light variability. The total-light fadings of R CrB stars begin at definite phases of these pulsations when a dust cloud of large optical depth appears, localized initially in a restricted region of the upper atmosphere. The expansion of the cloud up to the size of a permanent dust envelope, in which the IR flux originates, is the cause of the observed pattern of light and colour-index variations.

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