Complex structure associated with the Wolf-Rayet star WR147

Details Complex structure associated with the Wolf-Rayet star WR147 Complex structure associated with the Wolf-Rayet star WR147

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.216...67d&link_type=abstract

Astrophysics and Space Science, vol. 216, no. 1-2, p. 67-68

Astronomy and Astrophysics

Astronomy

2

Radio Astronomy, Radio Jets (Astronomy), Stellar Spectra, Stellar Structure, Stellar Winds, Wolf-Rayet Stars, Astronomical Spectroscopy, Bipolarity, Magnetohydrodynamic Flow, Radio Spectra, Radio Telescopes

Scientific paper

The Wolf-Rayet star, WR147, is known to be bright at x-ray and radio wavelengths. Observations have been made with old MERLIN at 5 GHz on WR147. The object is resolved into two radio sources, separated by 0.6 arcsec, corresponding to a spatial separation of 1100 AU at an assumed distance of 1.9 kpc. The computed brightness of the two sources, approximately 10000 K, is typical of optically thick thermal emission from a stellar wind, but compared with other observations suggests that some part of the emission is non-thermal. Other aspects of the two radio sources associated with WR147 are briefly discussed.

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