• Corpus ID: 118282752

The Optical Gravitational Lensing Experiment. Optical Counterparts to the X-ray Sources in the Galactic Bulge

@article{Udalski2012TheOG,
  title={The Optical Gravitational Lensing Experiment. Optical Counterparts to the X-ray Sources in the Galactic Bulge},
  author={Andrzej Udalski and Klaudia Kowalczyk and Igor Soszyński and Radosław Poleski and Michał K. Szymański and Marcin Kubiak and Grzegorz Pietrzyński and Szymon Kozłowski and Paweł Pietrukowicz and Krzysztof Ulaczyk and Jan Skowron and Lukasz Wyrzykowski},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2012}
}
We present a sample of 209 variable objects - very likely optical counterparts to the X-ray sources detected in the direction of the Galactic center by the Galactic Bulge Survey (GBS) carried out with the Chandra satellite. The variable sources were found in the databases of the OGLE long term survey monitoring regularly the Galactic bulge since 1992. The counterpart candidates were searched based on the X-ray source position in the radius of 3."9. Optical light curves of the candidates… 
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