NAOC Open IR
Chandra Observations of the Flat Spectrum Seyfert-2 Galaxies NGC 2110 and NGC 7582
Hui Dong1; Xue Suijian2; Cheng Li1; Cheng Fuzhen1
2004
Source PublicationChinese Journal of Astronomy and Astrophysics
ISSN1009-9271
Volume4Issue:5Pages:427
AbstractChandra observations of the Seyfert-2 galaxies NGC 2110 and NGC 7582 are presented. With the superb spatial resolution of Chandra we found that in NGC 7582 the soft (less than or equal to 2keV) and hard (2-10 keV) X-rays are emitted in different regions, consistent with the report by Xue et al. By comparing the present X-ray data with the previous infrared data, we determined that the soft X-ray region is the site of starburst activities. We found no significant temporal variations during finding that NGC 2110 and NGC 7582 are flat-spectrum sources. We argue that the flat spectra may result from a cold absorbing material such as envisaged in the "dual absorbed" model. Strong FeKalpha emission feature is detected in 6similar to7keV. Its equivalent width is so large that it cannot be reproduced by using the Galactic column density of 1022 cm(-2).
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/39743
Collection中国科学院国家天文台
Affiliation1.中国科学技术大学
2.中国科学院国家天文台
Recommended Citation
GB/T 7714
Hui Dong,Xue Suijian,Cheng Li,et al. Chandra Observations of the Flat Spectrum Seyfert-2 Galaxies NGC 2110 and NGC 7582[J]. Chinese Journal of Astronomy and Astrophysics,2004,4(5):427.
APA Hui Dong,Xue Suijian,Cheng Li,&Cheng Fuzhen.(2004).Chandra Observations of the Flat Spectrum Seyfert-2 Galaxies NGC 2110 and NGC 7582.Chinese Journal of Astronomy and Astrophysics,4(5),427.
MLA Hui Dong,et al."Chandra Observations of the Flat Spectrum Seyfert-2 Galaxies NGC 2110 and NGC 7582".Chinese Journal of Astronomy and Astrophysics 4.5(2004):427.
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