Iron K-emission line from Cygnus X-2 |
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| Authors: | T Hirano S Hayakawa F Nagase Y Tawara |
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| Institution: | (1) Department of Physics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan |
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| Abstract: | The iron K-emission line of Cyg X-2 was detected from the TENMA observation. The centre energy, the equivalent width and the intrinsic line width are 6.7 keV,  30 eV, and less than 0.6 keV, respectively. These properties indicate that the observed line is mostly due to helium-like iron and the electron scattering depth of the line emitting region is smaller than three.Paper presented at the IAU Third Asian-Pacific Regional Meeting, held in Kyoto, Japan, between 30 September–6 October, 1984. |
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