The proper motion of the VELA pulsar

Details The proper motion of the VELA pulsar The proper motion of the VELA pulsar

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...343l..53b&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 343, Aug. 15, 1989, p. L53-L55.

Astronomy and Astrophysics

Astronomy

61

Pulsars, Stellar Motions, Supernova Remnants, Astronomical Models, Radio Interferometers, Radio Sources (Astronomy)

Scientific paper

The proper motion of the Vela pulsar using the Parkes-Tidbinbilla Interferometer has been measured over a 2 yr period and obtain a value of 49 + or - 5 mas/yr at a position angle 305 deg. This proper motion implies that the pulsar was not born at the geometric center of the Vela supernova remnant nor at the peak of radio emission in Vela X. It is concluded that Vela X is not pulsar-driven, and that, like many other Galactic supernova remnants, the Vela supernova remnant has expanded asymmetrically since its birth.

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