New transient LMXB in the globular cluster NGC 6440

Details New transient LMXB in the globular cluster NGC 6440 New transient LMXB in the globular cluster NGC 6440

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2139....1h&link_type=abstract

The Astronomer's Telegram, #2139

Astronomy and Astrophysics

Astronomy

9

X-Ray, Request For Observations, Binaries, Globular Clusters, Neutron Stars, Transients

Scientific paper

We report the discovery of a new transient LMXB in the globular cluster NGC 6440 in our Chandra observations of the cluster. We observed NGC 6440 from July 28, 15:06 to July 29, 05:26 (TT). A bright source can be clearly identified ~15" north of the cluster core, along with several known sources in the cluster core. Using the position of the known transient LMXB CX1 as reported by Pooley et al. 2002, ApJ, 573,184 as an astrometric reference, the transient is located at RA=17:48:52.76(2),Dec=-20:21:24.1(1).

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