R Coronae Borealis type variables on the Hertzsprung-Russell diagram

Details R Coronae Borealis type variables on the Hertzsprung-Russell diagram R Coronae Borealis type variables on the Hertzsprung-Russell diagram

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989kfnt....5...84r&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 5, Jan.-Feb. 1989, p. 84-89. In Russian.

Physics

4

Hertzsprung-Russell Diagram, Stellar Luminosity, Supergiant Stars, Variable Stars, Brightness Distribution, Corona Borealis Constellation, Stellar Evolution, Stellar Magnitude

Scientific paper

The position of R Coronae Borealis (R CrB) type variables on the Hertzsprung-Russell diagram is discussed. The possible relationship between the luminosity of the star and the maximum depth of the R CrB type minimum is considered. This relationship was used to determine the absolute magnitudes of several RCrB stars: U Aqr (+2.5 m), V CrA (-5.0 m), R CrB(-5.0 m), and RT Nor (+0.6 m).

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