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Title: THE GALACTIC BULGE SURVEY: COMPLETION OF THE X-RAY SURVEY OBSERVATIONS
Authors: Jonker, Peter G ×
Torres, Manuel A. P
Hynes, Robert I
Maccarone, Thomas J
Steeghs, Danny
Greiss, Sandra
Britt, Christopher T
Wu, Jianfeng
Johnson, Christopher B
Nelemans, Gijs
Heinke, Craig #
Issue Date: Feb-2014
Publisher: Published by the University of Chicago Press for the American Astronomical Society
Series Title: The Astrophysical Journal. Supplement Series vol:210 issue:2
Article number: 18
Abstract: We provide the Chandra source list for the last ~quarter of the area covered by the Galactic Bulge Survey (GBS). The GBS targets two strips of 6° × 1° (12 square degrees in total), one above (1° < b < 2°) and one below (-2° < b < -1°) the Galactic plane in the direction of the Galactic center at X-ray, optical, and near-infrared wavelengths. For the X-ray part of the survey we use 2 ks per Chandra pointing. We find 424 X-ray sources in the 63 Chandra observations on which we report here. These sources are in addition to the 1216 X-ray sources discovered in the first part of the GBS survey described previously. We discuss the characteristics and the X-ray variability of the brightest of the sources as well as the radio properties from existing radio surveys. We point out an interesting asymmetry in the number of X-ray sources as a function of their Galactic l and b coordinates which is probably caused by differences in average extinction toward the different parts of the GBS survey area.
ISSN: 0067-0049
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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