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The hard X-ray luminosity function from ASCA surveys

✍ Scribed by Y. Ueda; M. Akiyama; K. Ohta; T. Miyaji

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
217 KB
Volume
324
Category
Article
ISSN
0004-6337

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## Abstract Extensive programs of follow–up observations of hard X–ray selected sources have unambiguously revealed that the sources of the X–ray background are characterized by an extremely large dispersion in their optical magnitude and spectroscopic classification. Here we present the results of