An improved proper-motion measurement of SN 1006

Details An improved proper-motion measurement of SN 1006 An improved proper-motion measurement of SN 1006

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...333..749l&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 333, Oct. 15, 1988, p. 749-753. Research supported by Johns Hopkins Univers

Astronomy and Astrophysics

Astronomy

45

Astronomical Photography, Charge Coupled Devices, Stellar Coronas, Stellar Motions, Supernova Remnants, X Ray Astronomy, H Alpha Line, H Beta Line, Interstellar Magnetic Fields, Radio Sources (Astronomy)

Scientific paper

The authors have obtained CCD images of SN 1006 in the light of Hα, Hβ, and through a 6100 Å continuum filter in order to search for new optical filamentation and to obtain a more accurate measurement of the proper motion of the optical supernova remnant (SNR). A new filament in the NW was detected. The authors compare the optical, radio, and X-ray data for SN 1006 and suggest a consistent overall picture for the remnant. They infer a mean proper motion for the NW filament of 0.30±0.04 arcsec yr-1. This proper-motion measurement implies a distance of 1.7 - 3.1 kpc for SN 1006 assuming the recent determination of the shock velocity by Kirshner, Winkler, and Chevalier.

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