The GBT350 survey of the northern galactic plane for radio pulsars and transients

J. W.T. Hessels, S. M. Ransom, V. M. Kaspi, M. S.E. Roberts, D. J. Champion, B. W. Stappers

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Using the Green Bank Telescope (GBT) and Pulsar Spigot at 350 MHz, we have surveyed the Northern Galactic Plane for pulsars and radio transients. This survey covers roughly 1000 square degrees of sky within 75°<l<165° and b<5.5°, a region of the Galactic Plane inaccessible to both the Parkes and Arecibo multibeam surveys. The large gain of the GBT along with the high time and frequency resolution provided by the Spigot make this survey more sensitive by factors of about 4 to slow pulsars and more than 10 to millisecond pulsars (MSPs), compared with previous surveys of this area. In a preliminary, reduced-resolution search of all the survey data, we have discovered 33 new pulsars, almost doubling the number of known pulsars in this part of the Galaxy. While most of these sources were discovered by normal periodicity searches, 5 of these sources were first identified through single, dispersed bursts. We discuss the interesting properties of some of these new sources. Data processing using the data's full-resolution is ongoing, with the goal of uncovering MSPs missed by our first, coarse round of processing.

Original languageEnglish (US)
Title of host publication40 Years Of Pulsars
Subtitle of host publicationMillisecond Pulsars, Magnetars and More
Pages613-615
Number of pages3
DOIs
StatePublished - 2008
Event40 Years Of Pulsars: Millisecond Pulsars, Magnetars and More - Montreal, QC, Canada
Duration: Aug 12 2007Aug 17 2007

Publication series

NameAIP Conference Proceedings
Volume983
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other40 Years Of Pulsars: Millisecond Pulsars, Magnetars and More
CountryCanada
CityMontreal, QC
Period8/12/078/17/07

Keywords

  • GBT
  • Pulsar
  • RRAT
  • Radio
  • Survey

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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