The swift discovery of X-ray afterglows accompanying short bursts from SGR 1900+14

Y. E. Nakagawa, T. Sakamoto, G. Sato, N. Gehrels, K. Hurley, D. M. Palmer

研究成果: Article査読

2 被引用数 (Scopus)

抄録

The discovery of X-ray afterglows accompanying two short bursts from SGR 1900+14 is presented. The afterglow luminosities at the end of each observation are lower by 30%-50% than their initial luminosities, and decay with power-law indices p ∼ 0.2-0.4. Their initial bolometric luminosities are L ∼ 1034-1035 erg s-1. We discuss analogies and differences between the X-ray afterglows of SGR short bursts and short gamma-ray bursts.

本文言語English
ジャーナルAstrophysical Journal
681
2 PART 2
DOI
出版ステータスPublished - 2008

ASJC Scopus subject areas

  • 宇宙惑星科学
  • 天文学と天体物理学

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