Timing and scintillation observations of the fast pulsar in CTB80

A. S. Fruchter, J. H. Taylor, D. C. Backer, T. R. Clifton, R. S. Foster, Alexander Wolszczan

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Shortly after the discovery1 of a 39.5-ms pulsar in the supernova remnant CTB 80, we began a series of timing measurements at the Arecibo Observatory to obtain more accurate values for the period and dispersion measure and to determine the period derivative and scintillation parameters. Data acquired over a span of 11 days yielded a surprisingly small period derivative, Ṗ = (5.92 ± 0.06) x 10- 15 s s- 1. If the pulsar slows by magnetic dipole radiation, this spin-down rate implies a surface field strength of only 5 x 1011 gauss yet the pulsar is believed to be much too young for its magnetic field to have decayed. Scintillation observations reveal unusually rapid fluctuations, indicating a large pulsar transverse velocity. Here we describe the timing and scintillation measurements and their results, and briefly explore some astrophysical consequences.

Original languageEnglish (US)
Pages (from-to)53-54
Number of pages2
JournalNature
Volume331
Issue number6151
DOIs
StatePublished - Jan 1 1988

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pulsars
scintillation
time measurement
supernova remnants
magnetic dipoles
field strength
observatories
astrophysics
radiation
magnetic fields

All Science Journal Classification (ASJC) codes

  • General

Cite this

Fruchter, A. S., Taylor, J. H., Backer, D. C., Clifton, T. R., Foster, R. S., & Wolszczan, A. (1988). Timing and scintillation observations of the fast pulsar in CTB80. Nature, 331(6151), 53-54. https://doi.org/10.1038/331053a0
Fruchter, A. S. ; Taylor, J. H. ; Backer, D. C. ; Clifton, T. R. ; Foster, R. S. ; Wolszczan, Alexander. / Timing and scintillation observations of the fast pulsar in CTB80. In: Nature. 1988 ; Vol. 331, No. 6151. pp. 53-54.
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Fruchter, AS, Taylor, JH, Backer, DC, Clifton, TR, Foster, RS & Wolszczan, A 1988, 'Timing and scintillation observations of the fast pulsar in CTB80', Nature, vol. 331, no. 6151, pp. 53-54. https://doi.org/10.1038/331053a0

Timing and scintillation observations of the fast pulsar in CTB80. / Fruchter, A. S.; Taylor, J. H.; Backer, D. C.; Clifton, T. R.; Foster, R. S.; Wolszczan, Alexander.

In: Nature, Vol. 331, No. 6151, 01.01.1988, p. 53-54.

Research output: Contribution to journalArticle

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Fruchter AS, Taylor JH, Backer DC, Clifton TR, Foster RS, Wolszczan A. Timing and scintillation observations of the fast pulsar in CTB80. Nature. 1988 Jan 1;331(6151):53-54. https://doi.org/10.1038/331053a0