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IGR J00291+5934 Optical Counterpart

ATel #354; Derek B. Fox and S. R. Kulkarni (Caltech)
on 4 Dec 2004; 20:20 UT
Distributed as an Instant Email Notice Transients
Credential Certification: Derek W. Fox (derekfox@mit.edu)

Subjects: Optical, X-ray, Binary, Neutron Star, Transient, Pulsar

Referred to by ATel #: 357, 360, 361, 363, 364, 366, 369, 1660, 1665, 1666, 1726, 7835, 7837, 7849

We have observed the localization of the Integral transient IGR J00291+5934 (ATEL #352) with the Robotic Palomar 60-inch Telescope, in seven 120-s R-band exposures extending from 05:59 to 06:15 UT on 4 December 2004. Comparison of our images to the Digitized Sky Survey reveals the presence of a single new, bright, stationary, point-like object within the localization region, at coordinates RA 00:29:03.06, Dec +59:34:19.0 (J2000), with estimated coordinate uncertainty of less than 0.5". The brightness of the counterpart, by reference to a single nearby Guide Star Catalog object, is estimated to be R ~ 17.4 mag. We tentatively identify this object as the optical counterpart of IGR J00291+5934. Images and a finding chart for the candidate may be found at: http://www.astro.caltech.edu/~derekfox/igrj00291+5934/.

IGR J00291+5934 Optical Counterpart Webpage