Correction to Atel #811: SWIFT and RXTE observations of Cir X-1 in an extended low-flux state
ATel #812; P. G. Jonker (SRON/CfA), J. H. Swank (NASA/GSFC), L. Kuiper (SRON), J. Homan (MIT), C. B. Markwardt (UMD/NASA/GSFC)
on 17 May 2006; 15:28 UT
Credential Certification: P.G. Jonker (pjonker@cfa.harvard.edu)
Subjects: X-ray, A Comment
The reported parameters for the SWIFT observation of May 16, 01:22 UTC in Atel
#811 are wrong. The observation lasted 385 seconds and the observed count rate
and 0.5-10 keV source flux are 0.19 counts/s and 2E-11 erg cm^-2 s^-1,
respectively. The spectrum is consistent with that of the SWIFT observation of
May 16, 10:49 UTC. The conclusion that the source flux has decayed by a factor
of 10 with respect to that determined by RXTE/PCA a week earlier is unaltered.