An extended disc around SS 433

Details An extended disc around SS 433 An extended disc around SS 433

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.261..241f&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 261, no. 2, p. 241-245.

Astronomy and Astrophysics

Astronomy

20

Accretion Disks, Binary Stars, Stellar Mass Ejection, Brightness, Mass Transfer, Stellar Envelopes

Scientific paper

Observational implications of heavy mass loss by the SS 433 system are considered. The gas flowing out through the outer Lagrangian point forms a disklike envelope (extended disk) which is illuminated by the precessing accretion disk of SS 433. The extended disk has the shape of a double cone, whose surface brightness at about 1 arcsec scale is sufficient for the disk to be detected by the Hubble Space Telescope and probably by a ground-based telescope. At a distance r is less than 0.15 arcsec from SS 433, one might expect to find a spirallike structure in the extended disk, which could be variable in the course of precession. Some evidence for outflowing gas streams near the system is discussed.

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