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HR 7308 (V473 Lyr): The strangest cepheid

Published online by Cambridge University Press:  04 August 2017

G. Burki
G. Burki*
Affiliation:
Observatoire de Genève

Extract

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The variability of HR 7308 was discovered by Breger (1969), and Percy et al (1979) found this star to be a new cepheid. The correct period and the variation of amplitude were first recognized by Burki and Mayor (1980 a, b). Further studies of this star were published by Percy and Evans (1980), van Genderen (1981), Breger (1981), Fernie (1981), Burki et al (1982) and Henriksson (1983). Here the up-to-date radial velocity observations made with the spectrophotometer CORAVEL are presented.

Type
III. BINARITY, PULSATION, ROTATION AND MIXING
Information
Symposium - International Astronomical Union , Volume 105: Observational Tests of the Stellar Evolution Theory , 1984 , pp. 453 - 455
Copyright
Copyright © Reidel 1984 

References

Breger, M.: 1969, Astrophys. J. Suppl. 169, 79.CrossRefGoogle Scholar
Breger, M.: 1981, Astrophys. J. 249, 666.CrossRefGoogle Scholar
Burki, G., Mayor, M.: 1980a, Inf. Bull. Variable Stars, no 1728.Google Scholar
Burki, G., Mayor, M.: 1980b, Astron. Astrophys. 91, 115.Google Scholar
Burki, G., Mayor, M., Benz, W.: 1982, Astron. Astrophys. 109, 258.Google Scholar
Fernie, J.D.: 1982, Publ. Astron. Soc. Pacific 94, 537.CrossRefGoogle Scholar
van Genderen, A.M.: 1981, Astron. Astrophys. 99, 386.Google Scholar
Henriksson, G.: 1983, Uppsala Astron. Rep., no 26.Google Scholar
Percy, J.R., Baskerville, I., Tremorrow, D.W.: 1979, Publ. Astron. Soc. Pacific 91, 368.CrossRefGoogle Scholar
Percy, J.R., Evans, N.R.: 1980, Astron. J. 85, 1509.CrossRefGoogle Scholar