New RXTE/ASM Transient XTE J1748-288
ATel #25; D. A. Smith, A. Levine, and A. Wood (M. I.T.) report for the RXTE ASM team at M. I.T. and NASA Goddard Space Flight Center
on 4 Jun 1998; 21:26 UT
Distributed as an Instant Email Notice Transients
Credential Certification:
Subjects: X-ray, Transient
The RXTE All-Sky Monitor has detected a transient X-ray source at the
following position (equinox J2000): R.A=17h48m8s, Decl.= -28o28.8'
(error radius = 5' to better than 90% confidence). The source was
observed in each of two detector systems in two contiguous 90 s
exposures at 1998 June 4.69, and again in two more observations 1.8 h
later. The spectrum is hard, with typical fluxes of 90, 300, and 470
mCrab in the bands 1.5-3, 3-5, 5-12 keV, respectively.