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Title:
Precise Positions of Historically Bright X-ray Binaries
Authors:
Levine, Alan
Publication:
Chandra proposal ID #11400526
Publication Date:
09/2009
Origin:
CXO
Comment:
Chandra proposal ID #11400526
Bibliographic Code:
2009cxo..prop.2805L

Abstract

We propose to obtain brief observations of historically bright sources which are or may be X-ray binaries in order to obtain precise X-ray locations. The sources are the HMXBs XTE J1543-568, 4U1901+03, and GS0834-430, the LMXB GS 0836-429, and the unclassified sources SAX J1428.6-5422, XTE J1837+037, and IGR J21117+3427. Precise locations are needed for the identification of optical/IR counterparts to five of these and for the confirmation of previously proposed optical/IR identifications of two of the sources. Precise locations are also used in the analysis of data from X-ray sky monitors. None of these sources is currently bright enough to be clearly detected by the RXTE ASM, but each could be sufficiently bright to be unambiguously detected in a Chandra/ACIS image.
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arXiv e-prints