The peculiar classical Cepheid HR 7308

Details The peculiar classical Cepheid HR 7308 The peculiar classical Cepheid HR 7308

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...109..258b&link_type=abstract

Astronomy and Astrophysics, vol. 109, no. 2, May 1982, p. 258-270. Research supported by the Swiss National Science Foundation.

Astronomy and Astrophysics

Astrophysics

82

Cepheid Variables, Peculiar Stars, Radial Velocity, Stellar Spectrophotometry, Radii, Spectral Line Width, Stellar Mass, Stellar Temperature

Scientific paper

The physical characteristics of the Cepheid HR 7308 were investigated by analyzing data from 246 radial velocity measurements obtained during three years of monitoring by the spectrophotometer CORAVEL. The radial velocity values are shown, the velocity of the centroid of the dip being used as the definition of radial velocity. The mean radius determination, variations in the CORAVEL dip, and the variations in amplitude of pulsation are discussed. Several physical parameters are obtained, including effective temperature, bolometric magnitude, ratio of radius and mass to solar radius and mass, and period.

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