An analysis of optical observations of R Coronae Borealis near the light curve minimum

Details An analysis of optical observations of R Coronae Borealis near the light curve minimum An analysis of optical observations of R Coronae Borealis near the light curve minimum

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..230g&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, March 1990, p. 230-239. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

Interstellar Extinction, R Coronae Borealis Stars, Stellar Color, Stellar Luminosity, Visual Observation, Color-Magnitude Diagram, Light Curve, Stellar Temperature

Scientific paper

For the ends of the rising branches during several minima of R CrB brightness, the reddening law is obtained in the form: Delta(V)/Delta(U-B) = 3.0; Delta(V)/Delta(B-V) = 4.3; Delta(V)/Delta(V-R) = 4.9; Delta(U-B)/Delta(B-V) = 1.3. Photoelectric observations are presented that confirm that there are temperature changes during the minimum of R CrB, as concluded from the analysis of UV spectra.

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