Metal enrichment of the intracluster medium from protogalaxies and the Gamma-Ray bursters

Makoto Hattori, Nobuo Terasawa

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Metal enrichment of clusters of galaxies by protogalactic star formation is discussed. We show that the observational requirement of metal ejection from protogalaxies into the intracluster medium (ICM) suggests pregalactic massive star formation bursts in the extended halo of protogalaxies. Our results predict that galaxies have an extended halo populated with a number of supernova remnants. The predicted large radius of the extended halo of our Galaxy is consistent with the distribution of γ-ray bursters observed by BATSE on the Compton Gamma Ray Observatory satellite, if neutron stars possibly formed in the extended halo of the Galaxy are the source of γ-ray bursters.

本文言語English
ページ(範囲)L55-L58
ジャーナルAstrophysical Journal
406
2 PART 2
DOI
出版ステータスPublished - 1993 4 1
外部発表はい

ASJC Scopus subject areas

  • 天文学と天体物理学
  • 宇宙惑星科学

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