Discovery of Four X-Ray Quasars behind the Large Magellanic Cloud
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We present the discovery of four X-ray quasars (Zem = 0.26, 0.53, 0.61, and 1.63) located behind the Large Magellanic Cloud; three of them are located behind the bar of the LMC. The quasars were identified via spectroscopy of optical counterparts to X-ray sources found serendipitously by the Chandra X-Ray Observatory satellite. All four quasars have archival VI photometry from the second phase of the Optical Gravitational Lensing Experiment (OGLE-II); one of them was found by OGLE to be variable. We present the properties of the quasars and discuss their possible applications.
The Astrophysical Journal
author list (cited authors)
Dobrzycki, A., Groot, P. J., Macri, L. M., & Stanek, K. Z.
complete list of authors
Dobrzycki, A||Groot, PJ||Macri, LM||Stanek, KZ