A luminous companion to the soft gamma-ray repeater 1806-20

Details A luminous companion to the soft gamma-ray repeater 1806-20 A luminous companion to the soft gamma-ray repeater 1806-20

Apr 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..366...96v&link_type=abstract

High velocity neutron stars and gamma-ray bursts. AIP Conference Proceedings, Volume 366, pp. 96-96 (1996).

Computer Science

Gamma-Ray Sources, Gamma-Ray Bursts, Infrared

Scientific paper

The association of the soft γ-ray repeater SGR 1806-20 with a plerion has led to the hypothesis that SGRs are young pulsars. However, it remains a mystery why only some pulsars become SGRs, and how a pulsar can produce the observed brilliant bursts of γ rays. Models involving a companion could address both issues. For SGR 1806-20, a highly reddened, luminous star has been suggested to be the stellar counterpart. We present infrared spectra of this star. These show strong emission lines similar to those seen in the spectra of the rare Luminous Blue Variables and B[e] stars. We infer that it is indeed a companion to SGR 1806-20, and that the presence of a companion is somehow related to the SGR phenomenon.

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