Abstract
HR 7308 is a F6 Ib-II star of 6th magnitude. Semi-regular photometric variations were detected by Breger (1969), Percy et al. (1979) find that this star is a new small-amplitude Cepheid, and Burki and Mayor (1980) obtain a period of 1.49107 d. and detect a strongly variable amplitude.
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Reference
Baranne, A., Mayor, M., Poncet, J.L., 1979, Vistas in Astronomy, 25, 279
Breger, M., 1969, Astrophys. J. Suppl., 19, 79
Burki, G., Mayor, M., 1980, Inf. Bull. Var. Stars 1728
Percy, J.R., Baskerville, I., Tremorrow, D.W., 1979, Publ. Astron. Soc. Pacific, 91, 368
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Burki, G., Mayor, M. Hr 7308, a short period Cepheid with variable amplitude. Space Sci Rev 27, 429–430 (1980). https://doi.org/10.1007/BF00168330
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DOI: https://doi.org/10.1007/BF00168330