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A Century in Period Changes of the Variables in M15

Published online by Cambridge University Press:  12 April 2016

Katalin Barlai  and
B. Szeidl
Katalin Barlai
Affiliation:
Konkoly Observatory, H-1525 Budapest XII, Box 67, Hungary
B. Szeidl
Affiliation:
Konkoly Observatory, H-1525 Budapest XII, Box 67, Hungary

Abstract

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Period behaviour of 62 RR Lyrae stars in the M15 globular cluster has been investigated. About one half of the sample (30 stars) exhibited linear period change. The remaining 32 variables can be characterized by abrupt or erratic changes in their periods.

Type
Part 2. Poster Papers
Information
International Astronomical Union Colloquium , Volume 155: Astrophysical Applications of Stellar Pulsation , 1995 , pp. 387 - 388
Copyright
Copyright © Astronomical Society of the Pacific 1995

References

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