Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007a%26a...461l..17w&link_type=abstract
Astronomy and Astrophysics, Volume 461, Issue 2, 2007, pp.L17-L20
Astronomy and Astrophysics
Astrophysics
7
Gamma Rays: Observations, X-Rays: Individuals: Igr J17497-2821
Scientific paper
Context: A new hard X-ray transient has been discovered by INTEGRAL on 2006 Sep. 17 at 1 degree from the Galactic Centre. Aims: INTEGRAL, Swift/XRT and optical photometric observations are used to characterize IGR J17497-2821 and to unveil its nature. Methods: The X-ray position has been refined to arcsec level through a study of the optical variability of the possible counterparts. Hard X-ray variability and spectroscopy are used to determine the nature of the source outburst. Results: IGR J17497-2821 is a new X-ray Nova in low-hard state, probably a new Black-Hole Candidate.
Beckmann Volker
Blecha Andre
Carrier Fabien
Cherix Marc
Gehrels Neil
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