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Optical spectroscopic classification of 35 hard X-ray sources from the Swift-BAT 70-month catalogue
Palazzi, E.; Minniti, D.; Masetti, N. +15 more
The nature of a substantial percentage (about one fifth) of hard X-ray sources discovered with the BAT instrument onboard the Neil Gehrels Swift Observatory (hereafter Swift) is unknown because of the lack of an identified longer-wavelength counterpart. Without such follow-up, an X-ray catalogue is of limited astrophysical value: we therefore emba…
Gould Belt members in X-ray RAVE: cross-matching RAVE stars with 3XMM point sources
Özkan, M. T.; Plevne, O.; Coşkunoğlu, B.
In this paper the results of matching the RAdial Velocity Experiment (RAVE), a spectroscopic Southern hemisphere survey (