The GBT350 Survey of the Northern Galactic Plane for Radio Pulsars and Transients

Details The GBT350 Survey of the Northern Galactic Plane for Radio Pulsars and Transients The GBT350 Survey of the Northern Galactic Plane for Radio Pulsars and Transients

2007-10-09

arxiv.org/abs/0710.1745v1

AIP Conf.Proc.983:613-615,2008

Astronomy and Astrophysics

Astrophysics

To appear in the proceedings of "Forty Years of Pulsars: Millisecond Pulsars, Magnetars and More" held in Montreal, Canada, Au

Scientific paper

10.1063/1.2900310

Using the Green Bank Telescope (GBT) and Pulsar Spigot at 350MHz, we have surveyed the Northern Galactic Plane for pulsars and radio transients. This survey covers roughly 1000 square degrees of sky within 75 deg < l < 165 deg and |b| < 5.5 deg, 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.

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