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A broad iron K alpha line at z=1.146 | | Andrea Comastri
; Marcella Brusa
; Francesca Civano
; | | Date: |
19 Apr 2004 | | Journal: | Mon.Not.Roy.Astron.Soc. 351 (2004) L9 | | Subject: | astro-ph | | Affiliation: | 2,1), Francesca Civano (2,1) ( INAF - Osservatorio Astronomico di Bologna; Dipartimento di Astronomia, Universita’ di Bologna | | Abstract: | We report the discovery of a strong iron K alpha line in the hard X-ray selected source CXOJ 123716.7+621733 in the Chandra Deep Field North survey at z=1.146. The analysis is made possible by the very deep exposure ~2 Ms and low background of the ACIS detector. The line profile seems to be inconsistent with a narrow feature. The best fit solution is achieved with a broad line. Most of the flux in the broad component originates at energies below 6.4 keV with a shape similar to that expected from emission in the innermost regions of the accretion disk. | | Source: | arXiv, astro-ph/0404364 | | Services: | Forum | Review | PDF | Favorites | |
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