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The optical micro-variations of the S Dor-type stars AG Car and HR Car

Published online by Cambridge University Press:  12 April 2016

A.M. van Genderen ,
P.S. Thé ,
M. Heemskerk ,
D. Heynderickx ,
I. Larsen ,
I. Wanders  and
N. van Weeren
A.M. van Genderen
Affiliation:
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands
P.S. Thé
Affiliation:
Astronomical Institute ‘Anton Pannekoek’, Roetersstraat 15, 1018 WB Amsterdam, The Netherlands
M. Heemskerk
Affiliation:
Astronomical Institute ‘Anton Pannekoek’, Roetersstraat 15, 1018 WB Amsterdam, The Netherlands
D. Heynderickx
Affiliation:
Astronomical Institute of the Catholic University of Leuven, Celestijnenlaan 200B, B-3030 Heverlee, Belgium
I. Larsen
Affiliation:
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands
I. Wanders
Affiliation:
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands
N. van Weeren
Affiliation:
Leiden Observatory, Postbus 9513, 2300 RA Leiden, The Netherlands

Abstract.

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VBLUW photometry of high precision of two S Dor type stars AG Car (in a quiescent stage) and HR Car was made in 1987 and 1988. Both stars show visual micro variations with amplitudes of 0m.1 – 0m.2 with time scales – 10d for AG Car and – 20d for HR Car.

Type
Section II: Poster Papers, A Brief List of Catalogs, and Index
Information
International Astronomical Union Colloquium , Volume 113: Physics of Luminous Blue Variables , 1989 , pp. 273 - 274
Copyright
Copyright © Kluwer 1989

References

van Genderen, A.M., Thé, P.S., Augusteijn, Th., Engelsman, E.C. van der Grift, E.W., Prein, J.J., Remijn, R.L., Steeman, F.W.M., van Weeren, N. 1988, Astron. Astrophys. Suppl. 74, 453 Google Scholar