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Photometric Monitoring of Binaries in Open Clusters and Associations: NGC 6231

Published online by Cambridge University Press:  22 February 2018

C. Sterken  and
M. Y. Bouzid
C. Sterken
Affiliation:
Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussel, Belgium
M. Y. Bouzid
Affiliation:
Vrije Universiteit Brussel, Pleinlaan 2, 1050 Brussel, Belgium

Abstract

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Over the last couple of years we carried out long-term CCD monitoring of open clusters and associations with as principal goal the detection and study of pulsating stars. A by-product of this project is the serendipitous collection of multicolour photometry of most interesting compact binaries which show signs of activity, viz. variable periods and strongly variable light curves. This presentation illustrates the project, and concentrates on intriguing species of interacting binaries in NGC 6231.

Resumen

Resumen

Durante el último par de años hemos llevado a cabo observaciones CCD a largo plazo de cúmulos abiertos y asociaciones con el objetivo principal de detectar y estudiar estrellas pulsantes. Un producto secundario de este proyecto es una colección variada de fotometría multicolor de las binarias compactas más interesantes que presentan señales de actividad, о sea, períodos variables y curvas de luz fuertemente variables. Esta presentación ilustra el proyecto y se concentra en curiosas especies de binarias en interacción en NGC 6231.

Keywords

GalaxyOpen Clusters and AssociationsIndividual (NGC 6231) — StarsVariables
Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 79 - 80
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

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