Other
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010head...11.4227f&link_type=abstract
American Astronomical Society, HEAD meeting #11, #42.27; Bulletin of the American Astronomical Society, Vol. 41, p.729
Other
Scientific paper
TeV gamma-ray telescopes have discovered many new sources, including several enigmatic unidentified TeV objects. HESS J0632+057 is a particularly interesting unidentified TeV source: it is a point source, it has a possible hard-spectrum X-ray counterpart and a positionally consistent Be star, it has evidence of long-term VHE flux variability, and it is postulated to be a newly detected TeV/X-ray binary. We have obtained long term Swift X-ray telescope observations of this source from MJD 54857 to the present time, in an attempt to ascertain its nature and to investigate the hypothesis that it is a previously unknown X-ray/TeV binary. Variability and spectral properties similar to those of the other 3 known X-ray/TeV binaries have been observed, with measured flux increases to factors of three. X-ray variability is present on multiple timescales including days to months. We will report on the status of this campaign and our conclusions regarding the nature of this object.
Bongiorno Stephen
Falcone Abraham
Grube Jeff
Hinton Jim
Holder Jamie
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