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ATEL # 921; J. A. Kennea (PSU), R. Wijnands (University of Amsterdam), D. N. Burrows (PSU), J. Nousek (PSU) and N. Gehrels (NASA/GSFC)
on 24 Oct 2006; 19:17 UT
Distributed as an Instant Email Notice (Transients)
Password Certification: Jamie A. Kennea (email@example.com)
Subjects: X-ray, Transients
Further observations with the Swift/XRT have allowed us to refine the position of the faint Galactic Center X-ray transient Swift J174540.2-290005 (ATEL #920). The new position is as follows:
RA(J2000) = 17h 45m 40.1s
Dec(J200) = -29d 00m 06.4s
with an estimated error radius of 3.6 arcseconds (90% containment). This places the transient 0.7 arcseconds from CXOGC J174540.0-290005 (e.g. Muno, 2005) with a smaller error radius, strongly suggesting that Swift J174540.2-290005 is associated with the Chandra discovered transient.
Erratum: In ATEL #920 we incorrectly stated that this source was 340pc from Sgr A*, due to a typographical error. The sentence should have read: Assuming a distance of 8.5 kpc to the source, this would place the transient approximately 1pc from Sgr A*.