THE FREQUENCY 104 MU-HZ IN THE ORBITAL MOTION OF CLOSE BINARY STARS

According to General Relativity, a stellar binary generates gravitatio nal waves at a primary frequency twice the orbital one; these waves ho wever have not yet been detected. If the Universe contains gravitation al radiation at discrete frequency(ies)- particularly with the period of 160 minutes discovered in the 70-th in the Sun, corresponding reson ances might be found in the distribution of orbital frequencies of bin aries. With this in mind, we analyse all available data on orbital fre quencies of close binaries of the Galaxy. In the frequency range 5 to 160 mu Hz, we find one significant frequency v(0) approximate to 104.2 mu Hz - at the 4 sigma confidence level -which modulates the distribu tion of about 5000 binaries with periods P < 5.5 d. The corresponding ''resonant'' period, 160.0 +/- 0.5 min, coincides with that of solar p ulsation P-0 = 160.0 +/- 0.5 min. The question on its origin and also the hypothesis of a cosmological nature of the P-0 oscillation are bri efly discussed.