Abstract
IUE low resolution spectra are an excellent way to determine the temperatures of the hot companions of binary Cepheids. The spectral types of the companions are derived by comparing the spectra with the spectra of standard stars. Absolute magnitudes are calculated from the magnitude difference between the two stars and the absolute magnitude of the Cepheid. In this study, eight binaries containing a Cepheid and a hot companion evolved beyond the ZAMS are discussed.
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References
Bertelli, G., Bressan, A., Chiosi, C., and Angerer, K.: 1986, Astronomy and Astrophysics, Supplement Series 66, 191
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© 1994 Springer Science+Business Media Dordrecht
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Evans, N.R. (1994). Tams Companions of Classical Cepheids. In: Balona, L.A., Henrichs, H.F., Le Contel, J.M. (eds) Pulsation, Rotation and Mass Loss in Early-Type Stars. International Astronomical Union / Union Astronomique Internationale, vol 162. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1030-3_18
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DOI: https://doi.org/10.1007/978-94-011-1030-3_18
Publisher Name: Springer, Dordrecht
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