2000A&A...354..163P

Query : 2000A&A...354..163P

2000A&A...354..163P - Astronomy and Astrophysics, volume 354163-168 (2000/2-1)

Pulsars ellipticity revised.

PALOMBA C.

Abstract (from CDS):

We derive new upper limits on the ellipticity of pulsars whose braking index has been measured, more tightening than those usually given, assuming that both a gravitational torque and an electromagnetic one act on them. We show that the measured braking indexes of pulsars are recovered in this model. We consider the electromagnetic torque both constant and varying with time. At the same time constraints on the pulsars initial period and on the amplitude of the gravitational waves emitted are obtained.

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Journal keyword(s): gravitational waves - magnetic fields - stars: pulsars: individual: Crab - stars: pulsars: individual: Vela - stars: pulsars: individual: PSR 0540-69 - stars: pulsars: individual: PSR 1509-58

Simbad objects: 5

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Number of rows : 5
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 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
2 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
3 PSR B0540-69 Psr 05 40 11.2000490438 -69 19 54.198559829           ~ 976 3
4 NAME Vela Pulsar Psr 08 35 20.65525 -45 10 35.1545     15.10     ~ 2446 1
5 PSR B1509-58 Psr 15 13 47.6 -59 07 54     13.06     ~ 879 1

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