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An Image of a Highly Relativistic Jet from a Large Flare in the X-Ray Binary Cyg X-3

Published online by Cambridge University Press:  12 April 2016

A. J. Mioduszewski ,
R. M. Hjellming ,
M. P. Rupen ,
E. B. Waltman ,
G. G. Pooley ,
F. D. Ghigo  and
R. P. Fender
A. J. Mioduszewski
Affiliation:
JIVE/National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.
R. M. Hjellming
Affiliation:
National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.
M. P. Rupen
Affiliation:
National Radio Astronomy Observatory, Socorro, NM 87801, U.S.A.
E. B. Waltman
Affiliation:
Naval Research Laboratory, Washington, DC 20375, U.S.A.
G. G. Pooley
Affiliation:
Mullard Radio Astronomy Observatory, Cambridge, CBS 0HE, U.K.
F. D. Ghigo
Affiliation:
National Radio Astronomy Observatory, Green Bank, WV 24944, U.S.A.
R. P. Fender
Affiliation:
Astronomy Centre, University of Sussex, Palmer, Brighton, BN1 9QH, U.K.

Abstract

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A VLBA image of the X-ray binary Cyg X-3 made two days after a 10 Jy radio flare shows a one-sided, curved jet with a size scale of ≈60 mas. This seems to indicate a jet with a velocity of ≥0.89c with a inclination of a few degrees to the line of site, and indicates that some of events where Cyg X-3 flares above 3 Jy may come from highly relativistic jets close to the line of sight.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 164: Radio Emission from Galactic and Extragalactic Compact Sources , 1998 , pp. 351 - 352
Copyright
Copyright © Astronomical Society of the Pacific 1998

References

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