The Swinburne intermediate-latitude pulsar survey

Citation
Rt. Edwards et al., The Swinburne intermediate-latitude pulsar survey, M NOT R AST, 326(1), 2001, pp. 358-374
Citations number
44
Categorie Soggetti
Space Sciences
Journal title
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN journal
00358711 → ACNP
Volume
326
Issue
1
Year of publication
2001
Pages
358 - 374
Database
ISI
SICI code
0035-8711(20010901)326:1<358:TSIPS>2.0.ZU;2-U
Abstract
We have conducted a survey of intermediate Galactic latitudes using the 13- beam 21-cm multibeam receiver of the Parkes 64-m radio telescope. The surve y covered the region enclosed by 5 degrees < <vertical bar>b \ < 15<degrees > and - 100 degrees < l < 50 degrees with 4702 processed pointings of 265 s each, for a total of 14.5 d of integration time. 13 2 x 96-channel filterb anks provided 288 MHz of bandwidth at a centre frequency of 1374 MHz, one-b it sampled every 125 mus and incurring similar to DM/13.4 cm(-3) pc samples of dispersion smearing. The system was sensitive to slow and most millisec ond pulsars in the region with flux densities greater than approximately 0. 3-1.1 mJy. Offline analysis on the 64-node Swinburne workstation cluster re sulted in the detection of 170 pulsars of which 69 were new discoveries. Ei ght of the new pulsars, by virtue of their small spin periods and period de rivatives, may be recycled and have been reported elsewhere. The slow pulsa rs discovered are typical of those already known in the volume searched, be ing of intermediate to old age. Several pulsars experience pulse nulling an d two display very regular drifting subpulses. We discuss the new discoveri es and provide timing parameters for the 48 slow pulsars for which we have a phase-connected solution.