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Variability of Young Massive Stars in the Arches Cluster: Accurate Photometry with Adaptive Optics

Authors
  • Markakis, K.
  • Bonanos, A. Z.
  • Pietrzynski, G.
  • Macri, L.
  • Stanek, K. Z.
Type
Preprint
Publication Date
Aug 22, 2011
Submission Date
Aug 22, 2011
Identifiers
arXiv ID: 1108.4452
Source
arXiv
License
Yellow
External links

Abstract

We present preliminary results of the first near-infrared variability study of the Arches cluster, using adaptive optics data from NIRI/Gemini and NACO/VLT. The goal is to discover eclipsing binaries in this young (2.5 $\pm$ 0.5 Myr), dense, massive cluster for which we will determine accurate fundamental parameters with subsequent spectroscopy. Given that the Arches cluster contains more than 200 Wolf-Rayet and O-type stars, it provides a rare opportunity to determine parameters for some of the most massive stars in the Galaxy.

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