Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996rftu.proc..315k&link_type=abstract
International Conference on X-ray Astronomy and Astrophysics: Röntgenstrahlung from the Universe, p. 315 - 318
Astronomy and Astrophysics
Astrophysics
1
Galactic Center: X-Ray Spectra, Galactic Center: Molecular Clouds, Galactic Center: Active Galactic Nuclei
Scientific paper
An extended high temperature plasma associated with Kα lines of highly ionized atoms is found near the galactic center region. Fluorescent X-ray emissions from cold iron in molecular clouds were also found, due possibly to an irradiation by an X-ray source which was bright in the past but is dark at present. These results suggests that the galactic center exhibited intermittent activities with time-averaged energy comparable to Seyfert nuclei, a class of active galactic nuclei.
Koyama Katsuji
Maeda Yoshiaki
Sonobe Takashi
Tanaka Yasuhiro
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