Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2839....1p&link_type=abstract
The Astronomer's Telegram, #2839
Astronomy and Astrophysics
Astronomy
2
Optical, X-Ray, Agn
Scientific paper
We report on an optical spectroscopic observation of object USNO-A2.0 1650-02316572 (RA(J2000) = 20h 44m 34.49s, Dec(J2000) = +75d 31m 58.9s), located in the Swift/XRT error box of the soft X-ray source #2 of Landi et al. (ATel #2830). This object according to these authors, is the likely counterpart of the hard X-ray object IGR J20450+7530 listed in the 4th IBIS Survey Catalog (Bird et al. 2010, ApJS, 186, 1).
Bassani Loredana
Bazzano Angela
Bird Andrew J.
Landi Raffaella
Masetti Nicola
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