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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Three millisecond pulsars in Fermi LAT unassociated bright sources
Astrophysical Journal Letters, Volume 727, No. 1 PART II, Year 2011
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Description
We searched for radio pulsars in 25 of the non-variable, unassociated sources in the Fermi LAT Bright Source List with the Green Bank Telescope at 820 MHz. We report the discovery of three radio and γ-ray millisecond pulsars (MSPs) from a high Galactic latitude subset of these sources. All of the pulsars are in binary systems, which would have made them virtually impossible to detect in blind γ-ray pulsation searches. They seem to be relatively normal, nearby (≤2 kpc) MSPs. These observations, in combination with the Fermi detection of γ-rays from other known radio MSPs, imply that most, if not all, radio MSPs are efficient γ-ray producers. The γ-ray spectra of the pulsars are power law in nature with exponential cutoffs at a few GeV, as has been found with most other pulsars. The MSPs have all been detected as X-ray point sources. Their soft X-ray luminosities of ∼10 30-1031 erg s-1 are typical of the rare radio MSPs seen in X-rays. © 2011. The American Astronomical Society. All rights reserved. Printed in the U.S.A.
Authors & Co-Authors
Ransom, Scott M.
United States, Charlottesville
National Radio Astronomy Observatory
Ray, Paul S.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Camilo, Fernando
United States, New York
Columbia University
Roberts, Mallory S.E.
United States, Oakland
Eureka Scientific, Inc.
Çelik, Ö. Ö.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, Baltimore
University of Maryland, Baltimore County Umbc
Wolff, Michael Th
United States, Washington, D.c.
U.s. Naval Research Laboratory
Cheung, Chi C.Teddy
United States, Washington, D.c.
National Academy of Sciences
United States, Washington, D.c.
U.s. Naval Research Laboratory
Kerr, Matthew T.
United States, Palo Alto
Stanford University
Pennucci, T. T.
United States, Charlottesville
University of Virginia
DeCesar, Megan E.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, College Park
University of Maryland, College Park
Cognard, Ismaël
France, Orleans
Laboratoire de Physique et de Chimie de L'environnement et de L'espace Lpc2e
France, Nancay
Station de Radioastronomie de Nancay
Lyne, Andrew G.
United Kingdom, Manchester
The University of Manchester
Stappers, Benjamin W.
United Kingdom, Manchester
The University of Manchester
Freire, Paulo C.C.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Grove, J. Eric
United States, Washington, D.c.
U.s. Naval Research Laboratory
Abdo, Aous A.
United States, Washington, D.c.
National Academy of Sciences
Desvignes, Gregory
United States, Berkeley
University of California, Berkeley
Donato, Davide
United States, College Park
University of Maryland, College Park
Ferrara, Elizabeth C.
United States, Greenbelt
Nasa Goddard Space Flight Center
Gehrels, Neil C.
United States, Greenbelt
Nasa Goddard Space Flight Center
Guillemot, Lucas
Germany, Bonn
Max Planck Institute for Radio Astronomy
Harding, Alice K.
United States, Greenbelt
Nasa Goddard Space Flight Center
Johnston, Simon
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Keith, Michael J.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Kramer, Michael
United Kingdom, Manchester
The University of Manchester
Germany, Bonn
Max Planck Institute for Radio Astronomy
Michelson, Peter F.
United States, Palo Alto
Stanford University
Parent, Damien
United States, Fairfax
George Mason University
United States, Washington, D.c.
U.s. Naval Research Laboratory
Saz-Parkinson, Pablo M.
United States, Santa Cruz
University of California, Santa Cruz
Romani, Roger W.R.
United States, Palo Alto
Stanford University
Smith, David A.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Theureau, Gilles
France, Orleans
Laboratoire de Physique et de Chimie de L'environnement et de L'espace Lpc2e
France, Nancay
Station de Radioastronomie de Nancay
Thompson, David J.
United States, Greenbelt
Nasa Goddard Space Flight Center
Weltevrede, Patrick
United Kingdom, Manchester
The University of Manchester
Wood, Kent S.
United States, Washington, D.c.
U.s. Naval Research Laboratory
Statistics
Citations: 139
Authors: 34
Affiliations: 19
Identifiers
Doi:
10.1088/2041-8205/727/1/L16
ISSN:
20418205
Research Areas
Disability