A search for variable stars in Trumpler 24

J. N. Fu; C. Sterken; H. W. Duerbeck; R. E. Mennickent

doi:10.1051/0004-6361:20034152

Free Access

Issue		A&A Volume 412, Number 1, December II 2003


Page(s)		97 - 103
Section		Galactic structure, stellar clusters, and populations
DOI		https://doi.org/10.1051/0004-6361:20034152
Published online		25 November 2003

A&A 412, 97-103 (2003)

A search for variable stars in Trumpler 24

J. N. Fu¹, C. Sterken¹, H. W. Duerbeck¹ and R. E. Mennickent²

¹ Astronomy Group, Vrije Universiteit Brussels (VUB), Pleinlaan 2, 1050 Brussels, Belgium
² Departamento de Física, Universidad de Concepción, Casilla 160-C Concepción, Chile

Corresponding author: J. N. Fu, jianfu@vub.ac.be

Received: 1 August 2003
Accepted: 2 September 2003

Abstract

Trumpler 24 is a comparatively poorly-studied young open cluster. To investigate the correlation between the Be phenomenon and the cluster age, and to study the stellar variability in Trumpler 24, CCD time-series observations were made in 2001, and spectra were obtained in 2002. The results reveal 21 new variable stars, including 3 eclipsing binaries, no Be stars.

Key words: stars: variables: general / Galaxy: open clusters and associations: individual: Trumpler 24 / stars: emission-line, Be

© ESO, 2003

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