Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980acasn..21..180q&link_type=abstract
Acta Astronomica Sinica, vol. 21, June 1980, p. 180-183. In Chinese, with abstract in English.
Astronomy and Astrophysics
Astronomy
3
Emission Spectra, Pulsars, Stellar Spectra, X Ray Sources, X Ray Spectra, Line Spectra, Neutron Stars, Stellar Radiation
Scientific paper
In this paper, using the observational data of hard X-ray emission lines of Her X-1, the physical situation of the emission region is studied. It is found that the emission region is opaque to X-ray line radiation, its excitation temperature is about 2.4 x 10 to the 8th K, and its area perpendicular to the line of sight is about 2 x 10 to the 7th sq cm. In addition, the expectant intensity and width of the third line are given, which are 1/13 and 3 times that of the first line respectively.
Qu Qin-Yue
Wang Zhen-Ru
Zhang Qing-Hong
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