A Peculiar Linear Radio Feature in the Supernova Remnant N206 | Zendy

Robert J. Klinger | Zendy; John R. Dickel | Zendy; Brian D. Fields | Zendy; D. K. Milne | Zendy

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A Peculiar Linear Radio Feature in the Supernova Remnant N206

Author(s) -

Robert J. Klinger,

John R. Dickel,

Brian D. Fields,

D. K. Milne

Publication year - 2002

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/341373

Subject(s) - supernova remnant , physics , astrophysics , feature (linguistics) , astronomy , supernova , telescope , radius , spectral index , wavelength , large magellanic cloud , small magellanic cloud , spectral line , stars , optics , computer science , linguistics , philosophy , computer security

We present images of the supernova remnant N206 in the LMC, taken with ATCAat wavelengths of 3 and 6 cm. Based on our data and previously published fluxdensities, the spectral index of N206 is -0.20 +- 0.07. The 6-cm radiomorphology shows a filled center. Most interesting is the discovery of apeculiar linear feature previously undetected at any wavelength. The featurelies to the east of the center of the remnant, stretching from about one-fourthto three-fourths of the remnant's radius. It is wedge-shaped, with a steadyopening angle from an apex on the eastern side. The feature resembles thedisturbance expected from an object moving through the material supersonicallyat about 800 km/s. We present arguments suggesting that the linear featuremight have been produced by a low-mass star or compact object ejected from abinary system which may have led to a Type Ic supernova.Comment: 20 pages, 2 tables, 7 figure

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