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Title:
The interaction between the relativistic jets of SS433 and the interstellar medium
Authors:
Zealey, W. J.; Dopita, M. A.; Malin, D. F.
Affiliation:
AA(Royal Observatory, Coonabarabran, New South Wales, Australia), AB(Mt. Stromlo and Siding Spring Observatory, Canberra, Australia), AC(Anglo-Australian Observatory, Epping, New South Wales, Australia)
Publication:
Royal Astronomical Society, Monthly Notices, vol. 192, Sept. 1980, p. 731-743. (MNRAS Homepage)
Publication Date:
09/1980
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
INTERSTELLAR MATTER, RELATIVISTIC PARTICLES, STELLAR SPECTRA, SUPERMASSIVE STARS, SUPERNOVA REMNANTS, BINARY STARS, BLACK HOLES (ASTRONOMY), DYNAMIC MODELS, PHOTOGRAPHIC PLATES, STELLAR SPECTROPHOTOMETRY, STELLAR WINDS
Comment:
A&AA ID. AAA028.125.005
Bibliographic Code:
1980MNRAS.192..731Z

Abstract

A sky-limited, red-sensitive IIIaF plate taken of the field of the W50 supernova remnant reveals two areas of nebulosity, 20 arcmin in extent, centered on SS 433 (1909 + 048) and separated from each other by 70 arcmin. Red spectra at high resolution obtained with the Anglo-Australian telescope show strong evidence for excitation by low velocity (40-60 km/s) shocks. From these data and from morphological considerations it is concluded that these optical filaments are excited by the relativistic beams of SS 433 and a mass loss rate in the beams of approximately 3 x 10 to the -6th solar masses/gr is derived by two independant techniques. The age of the system is about 100,000 yr. The data indicate supercritical accretion onto a compact object as the power source of the beams. If this compact object is a black hole it has mass in the range 2-40 solar masses with a probable value of order 12 solar masses.

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