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29 March 2024 |
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New hard X-ray sources discovered in the ongoing INTEGRAL Galactic Plane survey after 14 years of observations | Roman Krivonos
; Sergey Tsygankov
; Ilya Mereminskiy
; Alexander Lutovinov
; Sergey Sazonov
; Rashid Sunyaev
; | Date: |
11 Apr 2017 | Abstract: | The International Gamma-Ray Astrophysics Laboratory (INTEGRAL) continues to
successfully work in orbit after its launch in 2002. The mission provides the
deepest ever survey of hard X-ray sources throughout the Galaxy at energies
above 20 keV. We report on a catalogue of new hard X-ray source candidates
based on the latest sky maps comprising 14 years of data acquired with the IBIS
telescope onboard INTEGRAL in the Galactic Plane (|b|<17.5 deg). The current
catalogue includes in total 72 hard X-ray sources detected at S/N>4.7 sigma and
not known to previous INTEGRAL surveys. Among them, 31 objects have also been
detected in the on-going all-sky survey by the BAT telescope of the Swift
observatory. For 26 sources on the list, we suggest possible identifications:
21 active galactic nuclei, two cataclysmic variables, two isolated pulsars or
pulsar wind nebulae, and one supernova remnant; 46 sources from the catalogue
remain unclassified. | Source: | arXiv, 1704.3364 | Services: | Forum | Review | PDF | Favorites |
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