The Very Young Radio Pulsar J1357-6429

Abstract

We report the discovery of a radio pulsar with a characteristic age of 7300 years, making it one of the 10 apparently youngest Galactic pulsars known. PSR J1357-6429, with a spin period of P = 166 ms and spin-down luminosity of 3.1e36 ergs/s, was detected during the Parkes multibeam survey of the Galactic plane. We have measured a large rotational glitch in this pulsar, with Delta P/P = -2.4e-6, similar in magnitude to those experienced occasionally by the Vela pulsar. At a nominal distance of only ~ 2.5 kpc, based on the measured free electron column density of 127 pc/cc and the electron distribution model of Cordes & Lazio, this may be, after the Crab, the nearest very young pulsar known. The pulsar is located near the radio supernova remnant candidate G309.8-2.6.

arXiv commentAccepted for publication in ApJ Letters; 6 pages, 2 included EPS figures

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Cited by in corpus (23)

• The Parkes multibeam pulsar survey: VI. Discovery and timing of 142 pulsars and a Galactic population analysis
• A study of 315 glitches in the rotation of 102 pulsars
• Detection of 107 glitches in 36 southern pulsars
• Avalanche dynamics of radio pulsar glitches
• Predicting the Starquakes in PSR J0537-6910
• Constraints on the Galactic Population of TEV Pulsar Wind Nebulae Using Fermi Large Area Telescope Observations
• The gas-to-extinction ratio and the gas distribution in the Galaxy
• PSR J1833-1034: Discovery of the Central Young Pulsar in the Supernova Remnant G21.5-0.9
• Timing Gamma-ray Pulsars with the Fermi Large Area Telescope: Timing Noise and Astrometry
• Discovery of the source HESS J1356-645 associated with the young and energetic PSR J1357-6429
• First X-ray observations of the young pulsar J1357-6429
• The Young Pulsar J1357-6429 and Its Pulsar Wind Nebula
• Discovery of gamma and X-ray pulsations from the young and energetic PSR J1357-6429 with Fermi and XMM-Newton
• Possible optical counterpart of PSR J1357-6429
• VLT observations of the two Fermi pulsars PSR J1357-6429 and PSR J1048-5832
• The Distance Measurements of Supernova Remnants in The Fourth Galactic Quadrant
• Discovery of X-ray emission from the young radio pulsar PSR J1357-6429
• GeV gamma-ray emission from pulsar wind nebula HESS J1356-645 with Fermi-LAT
• Near-infrared observations of PSR J1357-6429
• A Catalog of Galactic Supernova Remnants and Supernova Remnant Candidates from the EMU/POSSUM Radio Sky Surveys. I
• High-time Resolution Astrophysics and Pulsars
• Observations of PSR J1357-6429 at 2.1 GHz with the Australia Telescope Compact Array
• Suzaku Observations of the old pulsar wind nebula candidate HESS J1356-645