Multifrequency observations of the Wolf-Rayet star WR 146: another colliding-wind binary? | Zendy

S. M. Dougherty | Zendy; P. M. Williams | Zendy; K. A. van der Hucht | Zendy; M. F. Bode | Zendy; R. J. Davis | Zendy

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Multifrequency observations of the Wolf-Rayet star WR 146: another colliding-wind binary?

Author(s) -

S. M. Dougherty,

P. M. Williams,

K. A. van der Hucht,

M. F. Bode,

R. J. Davis

Publication year - 1996

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/280.3.963

Subject(s) - physics , wolf–rayet star , astrophysics , stars , o type star , astronomy , photometry (optics) , thermal , brightness , meteorology

We present the first high-spatial-resolution radio observations of the Wolf-Rayet star WR 146, obtained at 1.6 and 5 GHz with the MERLIN array. The 5-GHz observations resolve the source into two components separated by 116 ± 14 milliarcsecond (mas). The weaker (southern) source is identified as thermal emission arising from the stellar wind of the WR star and the stronger (northern) source, which ...

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