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- W47955898 abstract "WBVR photoelectric photometry of SS 433 is carried out at different phases of the 13-day period (phase psiapprox. =0.5 for the 164-day period). The light curves in the WBVR filters are qualitatively similar and the depths of the primary minimum (eclipse of the accretion disk by the ''normal'' star) are 0/sup m/.8, 0/sup m/.7, 0/sup m/.55, and 0/sup m/.4 in the W, B, V, and R filters, respectively. We bring out the 13-day periodic variability in the J, H, and K filters (using published data). The interstellar absorption is determined for SS 433: A/sub V/ = 7/sup m/.4--8/sup m/.3. Drawing on infrared observations, we construct unreddened spectra of the ''normal'' star and the accretion disk at phases psi = 0.5 and 0 of the 164-day precession period. For A/sub V/ = 7/sup m/.4--8/sup m/.3 the spectrum of the ''normal'' star has a color temperature T/sub c/ = 13 000--43 000 /sup 0/K. The mass of the ''normal'' star is m/sub v/>10 M/sub sun/. The ''normal'' star fills its Roche lobe and outflow takes place in the thermal time scale of relaxation. The spectrum of the projection of the accretion disk in the optical range is bluer than that of themore » ''normal'' star and for A/sub V/ = 7/sup m/.85 it can by approximated satisfactorily by a Planck function at T> or =50 000 /sup 0/K. The bolometric luminosity of the disk exceeds 10/sup 40/ erg/sec. The appearance of collimated relativistic ejections perpendicular to the disk plane is evidently connected with supercritical accretion of matter onto the relativistic object in the massive, close binary system. The analogy between the processes taking place in the accretion disk in the SS 433 system and the processes observed in the galactic nuclei and quasars is pointed out.« less" @default.
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- W47955898 date "1982-11-01" @default.
- W47955898 modified "2023-09-23" @default.
- W47955898 title "WBVR photometry of SS 433: spectra of the ''normal'' star and the accretion disk" @default.
- W47955898 hasPublicationYear "1982" @default.
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