Estimating the Spins of Stellar-Mass Black Holes
| dc.creator | McClintock, Jeffrey E. | |
| dc.creator | Narayan, Ramesh | |
| dc.creator | Shafee, Rebecca | |
| dc.date | 2007-07-30 | |
| dc.date.accessioned | 2026-07-07T08:21:17Z | |
| dc.date.available | 2026-07-07T08:21:17Z | |
| dc.description | We describe a program that we have embarked on to estimate the spins of stellar-mass black holes in X-ray binaries. We fit the continuum X-ray spectrum of the radiation from the accretion disk using the standard thin disk model, and extract the dimensionless spin parameter a* = a/M of the black hole as a parameter of the fit. We have obtained results on three systems, 4U 1543-47 (a* = 0.7-0.85), GRO J1655-40 (0.65-0.8), and GRS 1915+105 (0.98-1), and have nearly completed analysis of two additional systems. We anticipate expanding the sample of spin estimates to about a dozen over the next several years. | |
| dc.description | 10 Pages, 3 Figures, 1 Table. To appear in Black Holes, eds. M. Livio and A. Koekemoer (Cambridge University Press), in press (2008) | |
| dc.identifier | https://arxiv.org/abs/0707.4492 | |
| dc.identifier | http://arxiv.org/abs/0707.4492 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/135307 | |
| dc.subject | Astrophysics | |
| dc.title | Estimating the Spins of Stellar-Mass Black Holes | |
| dc.type | text |