A systematic look at the very high and low/hard state of GX 339−4: constraining the black hole spin with a new reflection model
dc.contributor.author | Reis, R. C. | en_US |
dc.contributor.author | Fabian, A. C. | en_US |
dc.contributor.author | Ross, R. R. | en_US |
dc.contributor.author | Miniutti, G. | en_US |
dc.contributor.author | Miller, J. M. | en_US |
dc.contributor.author | Reynolds, Chris | en_US |
dc.date.accessioned | 2010-06-01T18:46:35Z | |
dc.date.available | 2010-06-01T18:46:35Z | |
dc.date.issued | 2008-07-11 | en_US |
dc.identifier.citation | Reis, R. C.; Fabian, A. C.; Ross, R. R.; Miniutti, G.; Miller, J. M.; Reynolds, C. (2008). "A systematic look at the very high and low/hard state of GX 339−4: constraining the black hole spin with a new reflection model." Monthly Notices of the Royal Astronomical Society 387(4): 1489-1498. <http://hdl.handle.net/2027.42/71973> | en_US |
dc.identifier.issn | 0035-8711 | en_US |
dc.identifier.issn | 1365-2966 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/71973 | |
dc.description.abstract | We present a systematic study of GX 339−4 in both its very high and low hard states from simultaneous observations made with XMM–Newton and RXTE in 2002 and 2004. The X-ray spectra of both these extreme states exhibit strong reflection signatures, with a broad, skewed Fe KΑ line clearly visible above the continuum. Using a newly developed, self-consistent reflection model which implicitly includes the blackbody radiation of the disc as well as the effect of Comptonization, blurred with a relativistic line function, we were able to infer the spin parameter of GX 339−4 to be 0.935 ± 0.01 (statistical) ±0.01 (systematic) at 90 per cent confidence. We find that both states are consistent with an ionized thin accretion disc extending to the innermost stable circular orbit around the rapidly spinning black hole. | en_US |
dc.format.extent | 988502 bytes | |
dc.format.extent | 3109 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.publisher | Blackwell Publishing Ltd | en_US |
dc.rights | Journal compilation © 2008 RAS | en_US |
dc.subject.other | Accretion, Accretion Disc | en_US |
dc.subject.other | Black Hole Physics | en_US |
dc.subject.other | X-rays: Individual: GX 339−4 | en_US |
dc.title | A systematic look at the very high and low/hard state of GX 339−4: constraining the black hole spin with a new reflection model | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Astronomy | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Astronomy, University of Michigan, 500 Church Street, Ann Arbor, MI 48109, USA | en_US |
dc.contributor.affiliationother | Institute of Astronomy, Madingley Road, Cambridge CB3 0HA | en_US |
dc.contributor.affiliationother | Physics Department, College of the Holy Cross, Worcester, MA 01610, USA | en_US |
dc.contributor.affiliationother | Department of Astronomy, The University of Maryland, College Park, MD 20742, USA | en_US |
dc.contributor.affiliationother | Laboratoire Astroparticule et Cosmologie (APC), UMR 7164, 10 Rue A. Domon et L. Duquet, 75205 Paris, France | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/71973/1/j.1365-2966.2008.13358.x.pdf | |
dc.identifier.doi | 10.1111/j.1365-2966.2008.13358.x | en_US |
dc.identifier.source | Monthly Notices of the Royal Astronomical Society | en_US |
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