Absence of pulsar ghost remnants

Details Absence of pulsar ghost remnants Absence of pulsar ghost remnants

Jan 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...264..273c&link_type=abstract

Astrophysical Journal, Part 1, vol. 264, Jan. 1, 1983, p. 273-277.

Astronomy and Astrophysics

Astronomy

16

Pulsars, Radio Sources (Astronomy), Centimeter Waves, Halos, High Resolution, Nonthermal Radiation, Very Large Array (Vla)

Scientific paper

Results are reported of a high-sensitivity, high-resolution search for extended nonthermal radio emission associated with old pulsars (ghost remnants). Regions around eight pulsars previously suggested as having associated extended emission were observed at 18 cm with the Very Large Array and mapped at resolutions of 1 and 10 arcsec. Although all the fields examined contained sources other than the pulsar, none of them exhibited any symmetric configuration around their respective pulsars. It is suggested that previous evidence at 1 arcmin resolution for associated structures may have been due to confusion sources. The halo about pulsar 0950+08 indicating a 'new class of Galactic radio source' discovered by Glushak et al. (1981) was also not detected at an upper limit of 0.8 mJy, making it unlikely that this halo was, in fact, ever detected.

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