SS 433 - Enigma of the Century

Details SS 433 - Enigma of the Century SS 433 - Enigma of the Century

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981s%26t....62..100s&link_type=abstract

Sky and Telescope, vol. 62, Aug. 1981, p. 100-102.

Astronomy and Astrophysics

Astronomy

1

Astronomical Models, Binary Stars, Kinematics, Radio Sources (Astronomy), X Ray Sources, Light Curve, Radial Velocity, Stellar Mass Accretion, Stellar Mass Ejection, Triple Stars

Scientific paper

The celestial object SS 433 ('Enigma SS 433') and theories as to the origin of its emissions including the kinematic model, the triple star model, and the beanbag model for the radio source W50 are discussed. The kinematic model describes the SS 433 as a normal star with material streaming to a condensed companion forming an accretion disk which, when overloaded, ejects two oppositely directed streams of gas along its axis of rotation. Still unknown are what produces the X-ray glow emanating from SS 433, and why the beams are visible in X-rays, while other sources populate the radio region of the spectrum. In addition, with a period of 165 days shortening at a rapid rate of 0.011 + or - 0.002 days/day, implying a lifespan of several decades, not much time is allowed for solving this problem.

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