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Discovery of gamma- and X-ray pulsations from the young and energetic PSR J1357-6429 with Fermi and XMM-Newton
Lemoine-Goumard, M; Zavlin, V E; Grondin, M-H; Shannon, R; Smith, D A; Burgay, M; Camilo, F; Cohen-Tanugi, J; Freire, P C C; Grove, J E; Guillemot, L; Johnston, S; Keith, M; Kramer, M; Manchester, R N; Michelson, P F; Parent, D; Possenti, A; Ray, P S; Renaud, M; Thorsett, S E; Weltevrede, P; Wolff, M T
A&A. 2011;533:A102.
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Abstract
Context. Since the launch of the Fermi satellite, the number of knowngamma-ray pulsars has increased tenfold. Most gamma-ray detected pulsarsare young and energetic, and many are associated with TeV sources. PSRJ1357-6429 is a high spin-down power pulsar ({\.E} = 3.1 {\times}10$^{36}$ erg s$^{-1}$), discovered during the Parkesmultibeam survey of the Galactic plane, with significant timing noisetypical of very young pulsars. In the very-high-energy domain (E {\gt}100 GeV), H.E.S.S. has reported the detection of the extended sourceHESS J1356-645 (intrinsic Gaussian width of 12') whose centroid lies 7'from PSR J1357-6429.