Colliding winds in V1016 Cygni

Details Colliding winds in V1016 Cygni Colliding winds in V1016 Cygni

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mnras.311..449w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 311, Issue 3, pp. 449-455.

Astronomy and Astrophysics

Astronomy

6

Binaries: Symbiotic, Circumstellar Matter, Stars: Imaging, Stars: Individual: V1016 Cyg, Stars: Late-Type, Radio Continuum: Stars

Scientific paper

We present MERLIN observations of the symbiotic nova V1016 Cygni made at 6cm between 1992 and 1997 and at 18cm in 1993 and 1997. In the 6-cm images we find complex structure which has not been previously seen, in particular three bright components. These components do not appear to be expanding as would be expected from the remains of a hot wind resulting from the nova outburst. The change in positions of two of the features exhibits tentative east-west movement. The brightness temperature of the peak with the highest flux density remains above 50000K in all epochs, thereby confirming the presence of shocked material in the system. At 18cm there is no evidence of any non-thermal emission as might be expected from comparison with a sister star, HM Sge.

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