DISCOVERY OF A SECOND TRANSIENT LOW-MASS X-RAY BINARY IN THE GLOBULAR CLUSTER NGC 6440

DISCOVERY OF A SECOND TRANSIENT LOW-MASS X-RAY BINARY IN THE GLOBULAR CLUSTER NGC 6440

We have discovered a new transient low-mass X-ray binary, NGC 6440 X-2, with Chandra/ACIS, RXTE/PCA, and Swift/XRT observations of the globular cluster NGC 6440. The discovery outburst (2009 July 28-31) peaked at LX ~ 1.5 × 10[superscript 36] erg s[superscript -1] and lasted for <4 days above LX...

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Main Authors: Heinke, C. O. (Author), Altamirano, D. (Author), Cohn, H. N. (Author), Lugger, P. M. (Author), Budac, S. A. (Author), Servillat, M. (Author), Linares, Manuel Alegret (Contributor), Strohmayer, T. E. (Author), Markwardt, Craig B. (Author), Wijnands, R. (Author), Swank, J. H. (Author), Knigge, C. (Author), Bailyn, Charles D. (Author), Grindlay, Jonathan E. (Author)
Other Authors: MIT Kavli Institute for Astrophysics and Space Research (Contributor)
Format: Article
Language:English
Published: Institute of Physics/American Astronomical Society, 2015-03-12T14:16:50Z.
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