Radio SNR Associated with PSR J1119–6127

doi:10.1086/321328

A Radio Supernova Remnant Associated with the Young Pulsar J1119–6127

Fronefield Crawford et al 2001 ApJ 554 152-160 doi: 10.1086/321328

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Fronefield Crawford^1,2, B. M. Gaensler^1,3, V. M. Kaspi^1,4,5, R. N. Manchester⁶, F. Camilo⁷, A. G. Lyne⁸ and M. J. Pivovaroff^1,9
¹ Department of Physics and Center for Space Research, Massachusetts Institute of Technology, 70 Vassar Street, Cambridge, MA 02139
² Current address: Management and Data Systems Division, Lockheed Martin Corporation, P.O. Box 8048, Philadelphia, PA 19101
³ Hubble Fellow
⁴ Department of Physics, Rutherford Physics Building, McGill University, 3600 University Street, Montreal, QC, H3A 2T8, Canada
⁵ Alfred P. Sloan Research Fellow
⁶ Australia Telescope National Facility, Commonwealth Scientific and Industrial Research Organisation, P.O. Box 76, Epping NSW 1718, Australia
⁷ Columbia Astrophysics Laboratory, Columbia University, 550 West 120th Street, New York, NY 10027
⁸ University of Manchester, Jodrell Bank Observatory, Macclesfield, Cheshire SK11 9DL, UK
⁹ Current address: Therma-Wave, Inc., 1250 Reliance Way, Fremont, CA 94539

ABSTRACT. We report on Australia Telescope Compact Array observations in the direction of the young high magnetic-field pulsar J1119-6127. In the resulting images we identify a nonthermal radio shell of diameter 15', which we classify as a previously uncataloged young supernova remnant, G292.2-0.5. This supernova remnant is positionally coincident with PSR J1119-6127, and we conclude that the two objects are physically associated. No radio emission is detected from any pulsar wind nebula (PWN) associated with the pulsar; our observed upper limits are consistent with the expectation that high magnetic-field pulsars produce radio nebulae that fade rapidly. This system suggests a possible explanation for the lack of an associated radio pulsar and/or PWN in many supernova remnants.

Subject headings: ISM: individual (G292.2–0.5); pulsars: individual (PSR J1119–6127); radio continuum: ISM; stars: neutron; supernova remnants

Print publication: Issue 1 (2001 June 10)
Received 2000 September 15, accepted for publication 2000 December 11

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A Radio Supernova Remnant Associated with the Young Pulsar J1119–6127

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