Discovery of three new pulsars in a 610-MHz pulsar survey with the GMRT期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Discovery of three new pulsars in a 610-MHz pulsar survey with the GMRT

Authors:	B. C. Joshi M. A. McLaughlin A. G. Lyne D. A. Ludovici N. A. Pawar A. J. Faulkner D. R. Lorimer M. Kramer M. L. Davies

Affiliation:	National Centre for Radio Astrophysics, Post Bag 3, Ganeshkhind, Pune 411 007, India;Department of Physics, West Virginia University, 210 Hodges Hall, Morgantown, WV 26506, USA;Jodrell Bank Centre for Astrophysics, University of Manchester, Alan-Turing Building, Oxford Road, Manchester M13 9PL;Astrophysics Group, University of Cambridge, Cavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE;MPI fuer Radioastronomie, Auf dem Huegel 69, 53121 Bonn, Germany

Abstract:	We report on the discovery of three new pulsars in the first blind survey of the north Galactic plane (45° < l < 135°; \| b \| < 1°) with the Giant Meterwave Radio telescope (GMRT) at an intermediate frequency of 610 MHz. The survey covered 106 deg² with a sensitivity of roughly 1 mJy to long-period pulsars (pulsars with period longer than 1 s). The three new pulsars have periods of 318, 933 and 1056 ms. Their timing parameters and flux densities, obtained in follow-up observations with the Lovell Telescope at Jodrell Bank and the GMRT, are presented. We also report on pulse nulling behaviour in one of the newly discovered pulsars, PSR J2208+5500.

Keywords:	stars: neutron pulsars: general pulsars: individual: J0026+6320 pulsars: individual: J2208+5500 pulsars: individual: J2217+5733