A search for light variations in F- and G-type supergiants. II

Details A search for light variations in F- and G-type supergiants. II A search for light variations in F- and G-type supergiants. II

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..367p&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, June-July 1981, p. 367-375.

Other

35

F Stars, G Stars, Hertzsprung-Russell Diagram, Stellar Radiation, Stellar Spectrophotometry, Supergiant Stars, Variable Stars, Brightness, Light (Visible Radiation), Stellar Luminosity

Scientific paper

Fifteen F- and G-type supergiants were surveyed for photometric variability. Eleven were found to be constant, including five bright stars (Alpha Per, Mu Per, Beta Cam, Epsilon Gem, Epsilon Leo) previously suspected of variability. The other four (HD 161796, 89 Her, HR 8752, and Rho Cas) were already known to be variable. The present observations confirm the variability, which is characterized by irregularity, small amplitude (0.1 to 0.3 magnitude), and long period (40 to 400 days).

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