Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/32661
Title: | Evidence for a black hole in the X-ray nova Muscae 1991 | Authors: | DELLA VALLE, Massimo Jarvis, B. J. West, R. M. |
Issue Date: | 1991 | Journal: | NATURE | Number: | 353 | Issue: | 6339 | First Page: | 50 | Abstract: | X-RAY novae form a subclass of low-mass X-ray binaries, which typically consist of a neutron star accreting material from a low-mass, late-type companion. In a few cases, however-notably A0620-00 (ref. 1)-, the accreting object may be a black hole. The detection and study of the optical counterpart is then of great importance in understanding the origin of the X-ray emission and the nature of the companion. We report here the discovery of a new X-ray nova, Nova Muscae 1991, which we found in a search for the optical counterpart of the new transient X-ray source GRS1121-68. The optical position, light-curve and early spectral development of the outburst support the identification of Nova Muscae 1991 as a binary, and similarities with A0620-00 (known optically as V616 Mon) in its early evolutionary stages led us to classify Nova Muscae 1991 as a candidate black-hole binary. | URI: | http://hdl.handle.net/20.500.12386/32661 | URL: | https://api.elsevier.com/content/abstract/scopus_id/0002095537 https://www.nature.com/articles/353050a0 |
ISSN: | 0028-0836 | DOI: | 10.1038/353050a0 | Bibcode ADS: | 1991Natur.353...50D | Fulltext: | reserved |
Appears in Collections: | 1.01 Articoli in rivista |
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