A possible new association of a pulsar with a supernova remnant

Details A possible new association of a pulsar with a supernova remnant A possible new association of a pulsar with a supernova remnant

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990natur.343..146k&link_type=abstract

Nature (ISSN 0028-0836), vol. 343, Jan. 11, 1990, p. 146-148.

Astronomy and Astrophysics

Astronomy

40

Pulsars, Star Formation, Stellar Motions, Supernova Remnants, Astronomical Maps, H Ii Regions, Very Large Array (Vla)

Scientific paper

New 90 cm wavelength measurements are reported which show that the W320 SNR G8.7 - 0.1 is large, roughly shell-shaped, and more extended than previously thought. PSR1800 - 21, one of the youngest Galactic pulsars, seems to lie within the western extension of the SNR. At a distance determined to be about 5.5 kpc, G8.7 - 0.1 seems to be close to PSR1800 - 21 in space as well as on the sky, and estimates indicate that the two objects are of similar age. Thus, a physical relation seems possible, but raises the dynamical problem of having a simultaneously born pulsar travel to a position near the edge of an SNR within its visible lifetime. Possible solutions to this difficulty are dicussed.

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