Light Variation of an R CrB Star in Sculptor

Details Light Variation of an R CrB Star in Sculptor Light Variation of an R CrB Star in Sculptor

Dec 1972

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1972bott....6..197p&link_type=abstract

Boletín de los Observatorios de Tonantzintla y Tacubaya Vol. 6, pp. 197-200 (1972) (http://www.astroscu.unam.mx/~bott/)

Other

4

Stars: Early-Type, Stars: Variables: Other (R Crb)

Scientific paper

The variations of the luminosity bf the star SPC 4 estimated from photographic plates are here presented. The observational material covers an interval of about 60 years. From 1962 to 1968 the ample photographic material is taken with the Schmidt camera at Tonantzintla. Earlier estimates are made using the plate collection of the Harvard College Observatory. The results confirm the previous suggestion that this blue, hot variable is of the R CrB type. A cycle of 600 days in the light variation is shown by the four last minima. The minima seem to be double. The luminosity at the maxima shows an erratic variation which may reach to 0.70 magnitudes.

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