Circinus X-1 - A runaway binary with curved radio jets

Details Circinus X-1 - A runaway binary with curved radio jets Circinus X-1 - A runaway binary with curved radio jets

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.261..593s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 261, no. 3, p. 593-598.

Astronomy and Astrophysics

Astronomy

94

Radio Emission, Radio Jets (Astronomy), Stellar Spectra, Supernova Remnants, X Ray Binaries, Interstellar Matter, Stellar Mass Ejection, Stellar Oscillations

Scientific paper

We present high-resolution radio studies at 1.47 and 4.79 GHz, made with the Australia Telescope, which show clear evidence for jet-like structure within the nebula surrounding Cir X-1. The jets originate in a compact source at the position of the binary, then extend outwards about 30 arcsec before curving back several arcmin towards the nearby supernova remnant G 321.9-0.3. This behavior can be explained if Cir X-1 is a runaway binary from the supernova explosion which gave rise to G 321.9-0.3. When critical accretion occurs, the binary ejects mass in two collimated jets which interact with the surrounding interstellar material, and accelerate relativistic electrons which emit radio continuum by the synchrotron process. The radiating electrons are left behind and form a curved wake extending back towards the SNR.

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