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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Pulsar timing for the Fermi gamma-ray space telescope
Astronomy and Astrophysics, Volume 492, No. 3, Year 2008
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Description
We describe a comprehensive pulsar monitoring campaign for the Large Area Telescope (LAT) on the Fermi Gamma-ray Space Telescope (formerly GLAST). The detection and study of pulsars in gamma rays give insights into the populations of neutron stars and supernova rates in the Galaxy, into particle acceleration mechanisms in neutron star magnetospheres, and into the "engines" driving pulsar wind nebulae. LAT's unprecedented sensitivity between 20 MeV and 300 GeV together with its 2.4 sr field-of-view makes detection of many gamma-ray pulsars likely, justifying the monitoring of over two hundred pulsars with large spin-down powers. To search for gamma-ray pulsations from most of these pulsars requires a set of phase-connected timing solutions spanning a year or more to properly align the sparse photon arrival times. We describe the choice of pulsars and the instruments involved in the campaign. Attention is paid to verifications of the LAT pulsar software, using for example giant radio pulses from the Crab and from PSR B1937+21 recorded at Nançay, and using X-ray data on PSR J0218+4232 from XMM-Newton. We demonstrate accuracy of the pulsar phase calculations at the microsecond level. © 2008 ESO.
Authors & Co-Authors
Smith, David A.
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Guillemot, Lucas
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Camilo, Fernando
United States, New York
Columbia University
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
Dumora, Denis
France, Gradignan
Lp2i - Laboratoire de Physique Des Deux Infinis Bordeaux
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Espinoza, Cristóbal M.
United Kingdom, Manchester
The University of Manchester
Freire, Paulo C.C.
Puerto Rico, Arecibo
National Astronomy and Ionosphere Center Arecibo Observatory
Gotthelf, Eric V.G.
United States, New York
Columbia University
Harding, Alice K.
United States, Greenbelt
Nasa Goddard Space Flight Center
Hobbs, George B.
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Johnston, Simon
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Kaspi, Victoria M.
Canada, Montreal
Université Mcgill
Kramer, Michael
United Kingdom, Manchester
The University of Manchester
Livingstone, Margaret A.
Canada, Montreal
Université Mcgill
Lyne, Andrew G.
United Kingdom, Manchester
The University of Manchester
Manchester, Richard N.
Canada, Montreal
Université Mcgill
Marshall, Francis E.
United Kingdom, Manchester
The University of Manchester
McLaughlin, Maura Ann
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Noutsos, Aristeidis
United States, Greenbelt
Nasa Goddard Space Flight Center
Ransom, Scott M.
United States, Morgantown
West Virginia University
Roberts, Mallory S.E.
United Kingdom, Manchester
The University of Manchester
Romani, Roger W.R.
United States, Charlottesville
National Radio Astronomy Observatory
Stappers, Benjamin W.
United States, Oakland
Eureka Scientific, Inc.
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
France, Paris
L'observatoire de Paris
Thompson, David J.
United States, Greenbelt
Nasa Goddard Space Flight Center
United States, Palo Alto
Stanford University
Thorsett, Stephen E.
United States, Santa Cruz
University of California, Santa Cruz
Wang, Na
China, Beijing
Chinese Academy of Sciences
Weltevrede, Patrick
Australia, Canberra
Commonwealth Scientific and Industrial Research Organisation
Statistics
Citations: 105
Authors: 28
Affiliations: 17
Identifiers
Doi:
10.1051/0004-6361:200810285
ISSN:
00046361