Astrophys. J., 545, 1007-1014 (2000/December-3)
New pulsars from an Arecibo drift scan search.
LOMMEN A.N., ZEPKA A., BACKER D.C., McLAUGHLIN M., CORDES J.M., ARZOUMANIAN Z. and XILOURIS K.
Abstract (from CDS):
We report the discovery of the pulsars PSR J0030+0451, PSR J0711+0931, and PSR J1313+0931 that were found in a search of 470 square degrees at 430 MHz using the 305 m Arecibo telescope. The search has an estimated sensitivity for long-period, low dispersion measure, low zenith angle, and high Galactic latitude pulsars of ∼1 mJy, comparable to previous Arecibo searches. Spin and astrometric parameters for the three pulsars are presented along with polarimetry at 430 MHz. PSR J0030+0451, a nearby pulsar with a period of 4.8 ms, belongs to the less common category of isolated millisecond pulsars. We have measured significant polarization in PSR J0030+0451 over more than 50% of the period, and we use these data for a detailed discussion of the pulsar's magnetospheric geometry. Scintillation observations of PSR J0030+0451 provide an estimate of the plasma turbulence level along the line of sight through the local interstellar medium.
Polarization - pulsars: individual (PSR J0030+0451, PSR J0711+0931, PSR J1313+0931) - Radio Continuum: Stars - Stars: Neutron - Surveys
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