A Study of X-Ray Sources in the Central Region of NGC 1569 with Chandra

• Kazunori Heike

• Hisamitsu Awaki

• Kiyoshi Hayashida

• Kimberly A. Weaver

書誌事項

タイトル別名

• A Study of X-Ray Sources in the Central Region of NGC 1569 with Chandra(Poster) :

抄録

The dwarf starburst galaxy NGC 1569 was observed for 96.8 ks with Chandra. We detected several variable X-ray point sources in the central region of NGC 1569. Inparticular, two bright point sources, CXOU 043048.1+645050 and CXOU 043048.6+645058, exhibit a prominent variability in time. Fitting with the disk blackbody model, we find that CXOU 043048.1+645050 may be a stellar mass black hole with ～ 20M_<⊙>. From the fact that CXOU 043048.6+645058 has a short time variability and flat spectrum, we concluded that this source may be a neutron star binary. We calculated the luminosity ratio of the soft X-ray band to other energy bands, and find that NGC 1569 has a typical luminosity ratio found in starburst galaxies.

収録刊行物

• Progress of Theoretical Physics Supplement

  Progress of Theoretical Physics Supplement 155 335-336, 2004

  Oxford University Press (OUP)

キーワード

• Physics and Astronomy (miscellaneous)

詳細情報

• CRID: 1360003446877750144
• NII論文ID: 110001216403
• NII論文ID: 210000127842
• NII書誌ID: AA00791466
• DOI: 10.1143/ptps.155.335
• ISSN: 03759687
• Web Site: http://academic.oup.com/ptps/article-pdf/doi/10.1143/PTPS.155.335/5348447/155-335.pdf
• Web Site: http://dl.ndl.go.jp/info:ndljp/pid/10885692
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