Targeted millisecond pulsar surveys of Fermi gamma-ray sources with LOFAR

A.G. Lyne; B.W. Stappers; C.G. Bassa; E.C. Ferrara; J.W.T. Hessels; S.M. Ransom; S. Sanidas; the Fermi Pulsar Search Consortium; V.I. Kondratiev; Z. Pleunis

arxiv: 1712.05225 · v1 · pith:XDXFYN4Jnew · submitted 2017-12-14 · 🌌 astro-ph.HE

Targeted millisecond pulsar surveys of Fermi gamma-ray sources with LOFAR

C.G. Bassa , Z. Pleunis , J.W.T. Hessels , E.C. Ferrara , V.I. Kondratiev , S. Sanidas , A.G. Lyne , B.W. Stappers

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S.M. Ransom the Fermi Pulsar Search Consortium

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keywords surveyslofarmilliseconddedisperseddiscoveredfermigamma-raypulsar

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We have used LOFAR to perform targeted millisecond pulsar surveys of Fermi gamma-ray sources. Operating at a center frequency of 135 MHz, the surveys use a novel semi-coherent dedispersion approach where coherently dedispersed trials at coarsely separated dispersion measures are incoherently dedispersed at finer steps. Three millisecond pulsars have been discovered as part of these surveys. We describe the LOFAR surveys and the properties of the newly discovered pulsars.

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Targeted millisecond pulsar surveys of Fermi gamma-ray sources with LOFAR

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