Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979ap%26ss..61..349n&link_type=abstract
Astrophysics and Space Science, vol. 61, no. 2, Apr. 1979, p. 349-355.
Astronomy and Astrophysics
Astrophysics
41
Emission Spectra, Gamma Rays, Histograms, Light Curve, X Ray Sources, Data Acquisition, Energy Distribution, High Energy Interactions
Scientific paper
The period of very high-energy (greater than 2 TeV) gamma-ray emission of Cyg X-3 is specified by using the data of observations of the source made during six years, 1972-1977. The value of the period is equal to 0.199683 + or - 0.000001 day. Phase histogram reveals two peaks, one lagging the other by 0.6 of the period. The averaged six-year data amounts to 1.8 x 10 to the -10th photon/sq cm-s (peak intensity). It corresponds to a luminosity of about 1.2 x 10 to the 37th erg/s if one assumes that the emission is isotropic and the distance is equal to 10 kpc.
Fomin V. P.
Gerasimov A. S.
Neshpor Iu. I.
Stepanian A. A.
Vladimirskii B. M.
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