2001A&A...376..543T

Query : 2001A&A...376..543T

2001A&A...376..543T - Astronomy and Astrophysics, volume 376543-552 (2001/9-3)

Torque decay in the pulsar (P,{dot}(P)) diagram. Effects of crustal ohmic dissipation and alignment.

TAURIS T.M. and KONAR S.

Abstract (from CDS):

We investigate the evolution of pulsars in the (P,{dot}(P)) diagram. We first present analytical formulae to follow the evolution of a pulsar using simple exponential models for magnetic field decay and alignment. We then compare these evolutionary tracks with detailed model calculations using ohmic decay of crustal neutron star magnetic fields. We find that, after an initial phase with a small braking index, n, pulsars evolve with enhanced torque decay (n≫3) for about 1 Myr. The long term evolution depends on the impurity parameter of the crust. If impurities are negligible in older isolated pulsars we expect their true age to be approximately equal to their observed characteristic age, τ=P/(2{dot}(P)). It is not possible from data to constrain model parameters of the neutron star crust.

Abstract Copyright: ∼

Journal keyword(s): stars: neutron - pulsars: general

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR J0108-1431 Psr 01 08 08.29 -14 31 48.5           ~ 113 0

Query : 2001A&A...376..543T

Basic data :
PSR J0108-1431 -- Pulsar
Other object types: otypes_help 		Psr (PSR), N* (2015MNRAS)
ICRS coord. (ep=J2000) : 		01 08 08.29 -14 31 48.5 [ ] D 2004MNRAS.353.1311H
FK4 coord. (ep=B1950 eq=1950) : 		01 05 39.56 -14 47 48.5 [ ]
Gal coord. (ep=J2000) : 		140.92895 -76.81476 [ ]
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Identifiers (1) :
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PSR J0108-1431

References (113 between 1850 and 2026) (Total 113)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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