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Voyager Observations of Zeta Tau

Published online by Cambridge University Press:  23 September 2016

T. E. Carone  and
R. S. Polidan
T. E. Carone
Affiliation:
Lunar and Planetary Laboratory - West, The University of Arizona
R. S. Polidan
Affiliation:
Lunar and Planetary Laboratory - West, The University of Arizona

Extract

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Zeta Tau (HD 37202) is a well known Be/shell star of spectral type B1 IVe and vsin(i) = 220 km/sec (Slettebak 1982). Its visual and UV variability have been studied extensively (Heap 1975; Hubert-Delplace and van der Hucht 1978; Hubert-Delplace et al. 1983; Dawanas and Hirata 1984; Harmanec 1984). Zeta Tau has also been found to be a binary with an orbital period of 132.97 days (Harmanec 1984). Irregular light variations have been observed (Hoffleit 1982) and long term variations not associated with the 132.97 day period have also been seen (Hubert-Delplace et al. 1983).

Type
III. The Circumstellar Gas
Information
International Astronomical Union Colloquium , Volume 92: Physics of Be Stars , August 1987 , pp. 274 - 277
Copyright
Copyright © Cambridge University Press 1987

References

Dawanas, D.N. and Hirata, R. 1984, Astrophys. Sp. Sci., 99, 139.CrossRefGoogle Scholar
Harmanec, P. 1984, Bull. Astr. Inst. Czech., 35, 164.Google Scholar
Heap, S.R. 1975, Phil. Trans. R. Soc. London A, 279, 371.Google Scholar
Hubert-Delplace, A.M. and van der Hucht, K.A. 1978, Astron. Astrophys., 67, 399.Google Scholar
Hubert-Delplace, A.M. et al. 1983, Astron. Astrophys., 121, 174.Google Scholar
Polidan, R.S., Stalio, R. and Peters, G. 1986, Ap. J., in press. Google Scholar
Slettebak, A. 1982, Ap. J. Supp., 50, 55.CrossRefGoogle Scholar