Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984ap%26ss..99..329f&link_type=abstract
(International Astronomical Union, Colloquium on Double Stars, Physical Properties and Generic Relations, 80th, Bandung, Indones
Astronomy and Astrophysics
Astrophysics
2
Binary Stars, Line Spectra, Periodic Variations, Radio Stars, Stellar Spectra, Variable Stars, Autocorrelation, Doppler Effect, Error Analysis, Harmonic Analysis, X Ray Sources
Scientific paper
The 216 anticorrelated wavelengths of relativistically displaced lines found in SS 433 by Ciatti et al. (1983) are analyzed statistically. The red and blue branches are represented with standard deviations (delta lambda/lambda) of 0.0026 and 0.0013 for 41 and 63 harmonic components, respectively, with periods of 1-1500 days are included. Of these 10 are found to be anticorrelated in the two branches, and the amplitudes of the harmonics at 80, 155, and 1500 days are equal to or greater than those of the 6.28-day and 5.84-day nutationlike components. No secular trends are found in the 6.28-day component, the 163-day precession period, or the beam velocity (in the model of Milgrom, 1980).
Ciatti F.
Frasca Sergio
Mammano Augusto
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