Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974ap%26ss..29..331a&link_type=abstract
Astrophysics and Space Science, Volume 29, Issue 2, pp.331-342
Astronomy and Astrophysics
Astrophysics
12
Scientific paper
In order to find out the physical nature of galactic X-ray sources, data on variability of 24 sources during 1964 1971 have been investigated. The fluxes of 9 sources are found to be increasing to the maximum value (for several months) and then slowly decreasing (for }3 yr). These 9 sources have been related by us to the class of X-ray novae. The X-ray nova synthetic light curve has been drawn from data on the fluxes of 9 discovered novae. Assumptions have been made on the physical nature of the X-ray novae. Between the flares the X-ray novae may be weak X-ray sources with luminosity about 1034 erg s-1. During the flares the luminosity increases to about 1038 erg s-1. The number of X-ray sources in the Galaxy is about 104 105, the average distance between them about 0.5 kpc. The object of the optical identification may be a dwarf star of no earlier spectral class than F.
Amnuél' P. R.
Guseinov Oktay H.
Rakhamimov Ju. Sh.
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