Iron K-emission line from Cygnus X-2

Details Iron K-emission line from Cygnus X-2 Iron K-emission line from Cygnus X-2

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.119...77h&link_type=abstract

(IAU, Asian-Pacific Regional Meeting, 3rd, Kyoto, Japan, Sept. 30-Oct. 5, 1984) Astrophysics and Space Science (ISSN 0004-640X),

Astronomy and Astrophysics

Astrophysics

Electron Scattering, Emission Spectra, K Lines, Scintillation Counters, X Ray Binaries, X Ray Sources, Black Body Radiation, Bremsstrahlung, Cygnus Constellation, Heao 1, Iron, Line Spectra, Neutron Stars, Stellar Mass Accretion

Scientific paper

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.

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