Results of Ginga/ROSAT simultaneous observation of the X-ray burst source 1735-444

Kwang Il Seon, Kyoung Wook Min, Kenji Yoshida, Fumiyoshi Makino, Walter H.G. Lewin, Michiel Van Der Klis, Jan Van Paradijs

研究成果: Article査読

7 被引用数 (Scopus)

抄録

We present a detailed analysis of simultaneous Ginga and ROSAT observations of the X-ray burst source 1735-444, during which the source was in an unusually high luminosity state. The source shows the characteristics of an atoll source in the high-intensity (banana) state, with a general correlation between intensity and spectral hardness. A blackbody component contributes ∼15%-20% of the total flux when the conventional two-component model is used to fit the spectra. We also observed a bright burst with radius expansion at this very high luminosity. The burst spectrum could not be described by a simple blackbody model. We discuss possible explanations.

本文言語English
ページ(範囲)398-407
ページ数10
ジャーナルAstrophysical Journal
479
1 PART I
DOI
出版ステータスPublished - 1997
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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