[43.05] X-ray Binaries in Terzan 5

AAS 206th Meeting, 29 May - 2 June 2005
Session 43 Pulsars, Neutron Stars and White Dwarfs
Poster, Wednesday, 10:00am-7:00pm, Thursday, 9:20am-2:00pm, June 1, 2005, Ballroom A

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[43.05] X-ray Binaries in Terzan 5

C. O. Heinke (Northwestern), R. Wijnands (SRON), J. E. Grindlay (Harvard), H. N. Cohn, P. M. Lugger (Indiana), P. D. Edmonds (SAO), D. Pooley (UC Berkeley), W. H. G. Lewin (MIT)

Terzan 5 is a rich globular cluster located near the Galactic Center, containing a transient LMXB and a large number of millisecond pulsars. Two Chandra observations have identified the transient LMXB in outburst and quiescence. Here we present results from the other low-luminosity X-ray sources in Terzan 5. Terzan 5 has the largest number of X-ray sources with L_X>10³² ergs/s (36) of any cluster yet studied with Chandra. Relatively soft X-ray spectra from eleven of these suggest that they may be low-mass X-ray binaries containing neutron stars in quiescence.

This work is supported by the Lindheimer Postdoctoral Fellowship.

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