SIMBAD references

2001AJ....121.3133G - Astron. J., 121, 3133-3137 (2001/June-0)

Pulsar wind nebulae around the southern pulsars PSR B1643-43 and PSR B1706-44.

GIACANI E.B., FRAIL D.A., GOSS W.M. and VIEYTES M.

Abstract (from CDS):

We present high-resolution VLA images taken at the wavelengths of 20, 6, and 3.6 cm in the vicinity of the pulsars PSR B1706-44 (PSR J1709-4428) and PSR B1643-43 (PSR J1646-4346). Both of these pulsars are young (<30,000 yr) and have large spin-down luminosities (Edot>1035 ergs.s–1) and hence are good candidates to search for extended synchrotron nebulae excited by the relativistic pulsar wind. For PSR B1643-43 we found evidence of a 4' comet-shaped nebula, suggestive of a synchrotron ``wake'' left by a fast-moving pulsar. PSR B1706-44 appears surrounded by a spherical nebula approximately 3' in diameter. Based on their morphology, the detection of significant linear polarization (>20%), and their flat radio spectra (α=0.25-0.3, where Sν∝ν–α), we argue that these are wind nebulae powered by the rotational energy loss of the respective pulsars.

Abstract Copyright:

Journal keyword(s): ISM: General - pulsars: individual (PSR 1643-43, PSR 1706-44) - ISM: Supernova Remnants

Simbad objects: 11

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