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Photometric and spectroscopic observations of the 53 Per star: ζ Cas

Published online by Cambridge University Press:  26 May 2016

H. Sadsaoud ,
D. Le Contel ,
E. Chapellier ,
S. González-Bedolla  and
J.M. Le Contel
H. Sadsaoud
Affiliation:
C.R.A.A.G, B.P. 63, Bouzareah, 16340 Alger, Algeria
D. Le Contel
Affiliation:
O.C.A, URA 1361, B.P. 229, 06034 NICE-Cedex 04, France
E. Chapellier
Affiliation:
O.C.A, URA 1361, B.P. 229, 06034 NICE-Cedex 04, France
S. González-Bedolla
Affiliation:
Institute de Astronomia, UNAM, Apdo Postal 70-264, 04510, Mexico D.F, Mexico
J.M. Le Contel
Affiliation:
O.C.A, URA 1361, B.P. 229, 06034 NICE-Cedex 04, France

Extract

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ζ Cas (HR 153, mv=3.66, vsini=18 kms-1) was classified as a 53 Per variable by Smith (1980). He detected variations in the profile of the 4552 Å Si III line with a period of 0.9 day. The radial velocity and the luminosity were observed to be constant by Abt & Levy (1978) and by Jerzykiewicz (1993) respectively.

Type
1. Pulsation and Rotation
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 39 - 40
Copyright
Copyright © Kluwer 1994 

References

Abt, H.A., Levy, S.G: 1978, Astrophysical Journal, Supplement Series 36, 241 CrossRefGoogle Scholar
Jerzykiewicz, M.: 1993, Astronomy and Astrophysics, Supplement Series 97, 421 Google Scholar
Le Contel, J.M., Chapellier, E., Le Contel, D., Rau, G., Endignoux, A., Valtier, J.C., Mevollon, M.: 1989, Acta Astron. 39, 227 Google Scholar
Shobbrook, R.R.: 1985, Monthly Notices of the RAS 214, 33 Google Scholar
Smith, M.A.: 1980, “Nonradial and Nonlinear Stellar Pulsation“ eds. Hill, H. A. and Dziembowski, W. A., New York: Springer Verlag, 60 CrossRefGoogle Scholar
Sterken, C., Jerzykiewicz, M.: 1993, preprint ,Google Scholar