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Title:
PSR J1410-6132: a young, energetic pulsar associated with the EGRET source 3EG J1410-6147
Authors:
O'Brien, J. T.; Johnston, S.; Kramer, M.; Lyne, A. G.; Bailes, M.; Possenti, A.; Burgay, M.; Lorimer, D. R.; McLaughlin, M. A.; Hobbs, G.; Parent, D.; Guillemot, L.
Affiliation:
AA(Jodrell Bank Centre for Astrophysics, University of Manchester, Alan-Turin Building, Manchester M13 9PL), AB(Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia), AC(Jodrell Bank Centre for Astrophysics, University of Manchester, Alan-Turin Building, Manchester M13 9PL), AD(Jodrell Bank Centre for Astrophysics, University of Manchester, Alan-Turin Building, Manchester M13 9PL), AE(Swinburne Centre for Astrophysics and Supercomputing, Swinburne University of Technology, Hawthorn, VIC 3122, Australia), AF(INAF - Osservatorio Astronomica di Cagliari, 09012 Capoterra, Italy), AG(INAF - Osservatorio Astronomica di Cagliari, 09012 Capoterra, Italy), AH(Department of Physics, West Virginia University, Morgantown, WV 26506, USA), AI(Department of Physics, West Virginia University, Morgantown, WV 26506, USA), AJ(Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia), AK(Centre d'Etudes Nucleaires de Bordeaux Gradignan, Chemin du Solarium, Le Haut Vigneau, BP 120, F-33175 GRADIGNAN Cedex, France), AL(Centre d'Etudes Nucleaires de Bordeaux Gradignan, Chemin du Solarium, Le Haut Vigneau, BP 120, F-33175 GRADIGNAN Cedex, France)
Publication:
Monthly Notices of the Royal Astronomical Society: Letters, Volume 388, Issue 1, pp. L1-L5. (MNRAS Homepage)
Publication Date:
07/2008
Origin:
MNRAS
MNRAS Keywords:
methods: observational, pulsars: general, pulsars: individual: J1410-6132
DOI:
10.1111/j.1745-3933.2008.00481.x
Bibliographic Code:
2008MNRAS.388L...1O

Abstract

We present the discovery of PSR J1410-6132, a 50-ms pulsar found during a high-frequency survey of the Galactic plane, using a seven-beam 6.3-GHz receiver on the 64-m Parkes radio telescope. The pulsar lies within the error box of the unidentified Energetic Gamma Ray Experiment Telescope (EGRET) source 3EG J1410-6147, has a characteristic age of 26 kyr and a spin-down energy of 1037ergs-1. It has a very high dispersion measure of 960 +/- 10cm-3 pc and the largest rotation measure of any pulsar, RM = +2400 +/- 30radm-2. The pulsar is very scatter-broadened at frequencies of 1.4 GHz and below, making pulsed emission almost impossible to detect. Assuming a distance of 15 kpc, the pulsar's spin-down energy and a γ-ray efficiency factor of ~10 per cent is sufficient to power the γ-ray source. We therefore believe that we have identified the nature of 3EG J1410-6147. This new discovery suggests that deep targeted high-frequency surveys of inner-galaxy EGRET sources could uncover further young, energetic pulsars.
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