Timing Derived Properties Of The First Discoveries From The GBT 350-MHz Pulsar Survey

Astronomy and Astrophysics – Astronomy

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Scientific paper

The GBT 350-MHz pulsar drift-scan survey took advantage of the track refurbishing to search the sky for radio pulsars during the northern summer of 2007. Data were taken between declinations of -21 and 38 degrees and a total of 1491 hours of data was accumulated. The flux limit, given an integration time of 140 seconds, is about 2 mJy (eight sigma detection), making this one of the most sensitive large-scale pulsar surveys ever undertaken. In our on-going analysis 25 new pulsars have been discovered. These include five millisecond pulsars (MSPs), two mildly recycled pulsars, and one rotating radio transient. The MSPs include the first radio pulsar binary system that shows evidence for recent accretion, providing a crucial missing link between radio MSPs and LMXBs. We present the timing-derived properties of the first discoveries from this survey.

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