ASCA rediscovery of the X-ray source in the 1978 November 19 gamma-ray burst error box

K. Hurley, P. Li, T. Murakami, R. Shibata, Y. Ogasaka, H. Pedersen, F. Vrba, C. Luginbuhl, T. Cline, D. Palmer, G. Ricker, C. Kouveliotou, N. Kawai, M. Matsuoka, A. Yosihda, M. Yamauchi, J. Nishimura, K. Yoshida

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We present an analysis of the X-ray content of the 1978 November 19 gamma-ray burst error box using ASCA. We confirm the presence of a source that was detected by Einstein, but not confirmed by EXOSAT, and measure its spectrum between 0.5 and 8 keV. Using a power-law fit with an index of 1.77, the source flux is 1.6 X 10-13 erg cm-2 s-1. This source was also observed by ROSAT. Using both old and new optical and radio data, we examine a possible counterpart for the X-ray source. We find that the probability of a chance association between the X-ray source and the gamma-ray burst error box is small enough to warrant its consideration as a possible counterpart to the burst source.

Original languageEnglish
Pages (from-to)L105-L107
JournalAstrophysical Journal
Volume469
Issue number2 PART II
Publication statusPublished - 1996 Oct 1
Externally publishedYes

Keywords

  • Gamma rays: Bursts
  • Stars: neutron

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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