The proper motion, age, and initial spin period of PSR J0538+2817 in S147

M. Kramer, A. G. Lyne, G. Hobbs, O. Löhmer, P. Carr, C. Jordan, Alexander Wolszczan

Research output: Contribution to journalArticle

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Abstract

We present results of the timing observations of the 143 ms pulsar PSR J0538+2817 that provide a proper-motion measurement clearly showing an association of the pulsar with the supernova remnant S147. We measure a proper motion of 67-22 +48 mas yr-1, implying a transverse velocity of v = 385-130 +260 km s-1. We derive an age of the pulsar and S147 of only 30 ± 4 kyr, which is a factor of 20 times less than the pulsar's characteristic age of τ c = 620 kyr. This age implies an initial spin period of P 0 = 139 ms, close to the present pulse period and a factor of several larger than what is usually inferred for birth periods. Implications for recent X-ray detections of this pulsar are discussed.

Original languageEnglish (US)
JournalAstrophysical Journal
Volume593
Issue number1 II
DOIs
StatePublished - Aug 10 2003

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proper motion
pulsars
supernova remnants
time measurement
pulses
x rays

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Kramer, M. ; Lyne, A. G. ; Hobbs, G. ; Löhmer, O. ; Carr, P. ; Jordan, C. ; Wolszczan, Alexander. / The proper motion, age, and initial spin period of PSR J0538+2817 in S147. In: Astrophysical Journal. 2003 ; Vol. 593, No. 1 II.
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abstract = "We present results of the timing observations of the 143 ms pulsar PSR J0538+2817 that provide a proper-motion measurement clearly showing an association of the pulsar with the supernova remnant S147. We measure a proper motion of 67-22 +48 mas yr-1, implying a transverse velocity of v = 385-130 +260 km s-1. We derive an age of the pulsar and S147 of only 30 ± 4 kyr, which is a factor of 20 times less than the pulsar's characteristic age of τ c = 620 kyr. This age implies an initial spin period of P 0 = 139 ms, close to the present pulse period and a factor of several larger than what is usually inferred for birth periods. Implications for recent X-ray detections of this pulsar are discussed.",
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Kramer, M, Lyne, AG, Hobbs, G, Löhmer, O, Carr, P, Jordan, C & Wolszczan, A 2003, 'The proper motion, age, and initial spin period of PSR J0538+2817 in S147', Astrophysical Journal, vol. 593, no. 1 II. https://doi.org/10.1086/378082

The proper motion, age, and initial spin period of PSR J0538+2817 in S147. / Kramer, M.; Lyne, A. G.; Hobbs, G.; Löhmer, O.; Carr, P.; Jordan, C.; Wolszczan, Alexander.

In: Astrophysical Journal, Vol. 593, No. 1 II, 10.08.2003.

Research output: Contribution to journalArticle

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T1 - The proper motion, age, and initial spin period of PSR J0538+2817 in S147

AU - Kramer, M.

AU - Lyne, A. G.

AU - Hobbs, G.

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AU - Carr, P.

AU - Jordan, C.

AU - Wolszczan, Alexander

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AB - We present results of the timing observations of the 143 ms pulsar PSR J0538+2817 that provide a proper-motion measurement clearly showing an association of the pulsar with the supernova remnant S147. We measure a proper motion of 67-22 +48 mas yr-1, implying a transverse velocity of v = 385-130 +260 km s-1. We derive an age of the pulsar and S147 of only 30 ± 4 kyr, which is a factor of 20 times less than the pulsar's characteristic age of τ c = 620 kyr. This age implies an initial spin period of P 0 = 139 ms, close to the present pulse period and a factor of several larger than what is usually inferred for birth periods. Implications for recent X-ray detections of this pulsar are discussed.

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Kramer M, Lyne AG, Hobbs G, Löhmer O, Carr P, Jordan C et al. The proper motion, age, and initial spin period of PSR J0538+2817 in S147. Astrophysical Journal. 2003 Aug 10;593(1 II). https://doi.org/10.1086/378082