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Three millisecond pulsars in fermi lat unassociated bright sources

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 -ray millisecond pulsars (MSPs) from a high Galactic latitude subset of these sources. All of the pul... Full description

Journal Title: The Astrophysical Journal Letters 2011, Vol.727(1), p.L16 (6pp)
Main Author: Ransom, S. M.
Other Authors: Ray, P. S. , Camilo, F. , Roberts, M. S. E. , Çelik, Ö. , Wolff, M. T. , Cheung, C. C. , Kerr, M. , Pennucci, T. , Decesar, M. E. , Cognard, I. , Lyne, A. G. , Stappers, B. W. , Freire, P. C. C. , Grove, J. E. , Abdo, A. A. , Desvignes, G. , Donato, D. , Ferrara, E. C. , Gehrels, N. , Guillemot, L. , Gwon, C. , Harding, A. K. , Johnston, S. , Keith, M. , Kramer, M. , Michelson, P. F. , Parent, D. , Saz Parkinson, P. M. , Romani, R. W. , Smith, D. A. , Theureau, G. , Thompson, D. J. , Weltevrede, P. , Wood, K. S. , Ziegler, M.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 2041-8205 ; E-ISSN: 2041-8213 ; DOI: 10.1088/2041-8205/727/1/L16
Link: http://dx.doi.org/10.1088/2041-8205/727/1/L16
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recordid: iop10.1088/2041-8205/727/1/L16
title: Three millisecond pulsars in fermi lat unassociated bright sources
format: Article
creator:
  • Ransom, S. M.
  • Ray, P. S.
  • Camilo, F.
  • Roberts, M. S. E.
  • Çelik, Ö.
  • Wolff, M. T.
  • Cheung, C. C.
  • Kerr, M.
  • Pennucci, T.
  • Decesar, M. E.
  • Cognard, I.
  • Lyne, A. G.
  • Stappers, B. W.
  • Freire, P. C. C.
  • Grove, J. E.
  • Abdo, A. A.
  • Desvignes, G.
  • Donato, D.
  • Ferrara, E. C.
  • Gehrels, N.
  • Guillemot, L.
  • Gwon, C.
  • Harding, A. K.
  • Johnston, S.
  • Keith, M.
  • Kramer, M.
  • Michelson, P. F.
  • Parent, D.
  • Saz Parkinson, P. M.
  • Romani, R. W.
  • Smith, D. A.
  • Theureau, G.
  • Thompson, D. J.
  • Weltevrede, P.
  • Wood, K. S.
  • Ziegler, M.
subjects:
  • Astrophysics - High Energy Astrophysical Phenomena
  • Astrophysics - Solar And Stellar Astrophysics
ispartof: The Astrophysical Journal Letters, 2011, Vol.727(1), p.L16 (6pp)
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 -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 -ray pulsation searches. They seem to be relatively normal, nearby (2 kpc) MSPs. These observations, in combination with the Fermi detection of -rays from other known radio MSPs, imply that most, if not all, radio MSPs are efficient -ray producers. The -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 -10 31  erg s 1 are typical of the rare radio MSPs seen in X-rays.
language: eng
source:
identifier: ISSN: 2041-8205 ; E-ISSN: 2041-8213 ; DOI: 10.1088/2041-8205/727/1/L16
fulltext: fulltext
issn:
  • 2041-8205
  • 2041-8213
  • 20418205
  • 20418213
url: Link


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titleThree millisecond pulsars in fermi lat unassociated bright sources
creatorRansom, S. M. ; Ray, P. S. ; Camilo, F. ; Roberts, M. S. E. ; Çelik, Ö. ; Wolff, M. T. ; Cheung, C. C. ; Kerr, M. ; Pennucci, T. ; Decesar, M. E. ; Cognard, I. ; Lyne, A. G. ; Stappers, B. W. ; Freire, P. C. C. ; Grove, J. E. ; Abdo, A. A. ; Desvignes, G. ; Donato, D. ; Ferrara, E. C. ; Gehrels, N. ; Guillemot, L. ; Gwon, C. ; Harding, A. K. ; Johnston, S. ; Keith, M. ; Kramer, M. ; Michelson, P. F. ; Parent, D. ; Saz Parkinson, P. M. ; Romani, R. W. ; Smith, D. A. ; Theureau, G. ; Thompson, D. J. ; Weltevrede, P. ; Wood, K. S. ; Ziegler, M.
ispartofThe Astrophysical Journal Letters, 2011, Vol.727(1), p.L16 (6pp)
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descriptionWe 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 -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 -ray pulsation searches. They seem to be relatively normal, nearby (2 kpc) MSPs. These observations, in combination with the Fermi detection of -rays from other known radio MSPs, imply that most, if not all, radio MSPs are efficient -ray producers. The -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 -10 31  erg s 1 are typical of the rare radio MSPs seen in X-rays.
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authorRansom, S. M. ; Ray, P. S. ; Camilo, F. ; Roberts, M. S. E. ; Çelik, Ö. ; Wolff, M. T. ; Cheung, C. C. ; Kerr, M. ; Pennucci, T. ; Decesar, M. E. ; Cognard, I. ; Lyne, A. G. ; Stappers, B. W. ; Freire, P. C. C. ; Grove, J. E. ; Abdo, A. A. ; Desvignes, G. ; Donato, D. ; Ferrara, E. C. ; Gehrels, N. ; Guillemot, L. ; Gwon, C. ; Harding, A. K. ; Johnston, S. ; Keith, M. ; Kramer, M. ; Michelson, P. F. ; Parent, D. ; Saz Parkinson, P. M. ; Romani, R. W. ; Smith, D. A. ; Theureau, G. ; Thompson, D. J. ; Weltevrede, P. ; Wood, K. S. ; Ziegler, M.
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atitleTHREE MILLISECOND PULSARS IN FERMI LAT UNASSOCIATED BRIGHT SOURCES
jtitleThe Astrophysical Journal Letters
stitleTHREE MILLISECOND PULSARS IN FERMI LAT UNASSOCIATED BRIGHT SOURCES
risdate20110120
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abstractWe 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 -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 -ray pulsation searches. They seem to be relatively normal, nearby (2 kpc) MSPs. These observations, in combination with the Fermi detection of -rays from other known radio MSPs, imply that most, if not all, radio MSPs are efficient -ray producers. The -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 -10 31  erg s 1 are typical of the rare radio MSPs seen in X-rays.
doi10.1088/2041-8205/727/1/L16
date2011-01-20