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Title: Fermi Large Area Telescope Observations Of Gamma-Ray Pulsars PSR J1057–5226, J1709–4429, And J1952+3252

Journal Article · · The Astrophysical Journal
 [1]
  1. Naval Research Lab. (NRL), Washington, DC (United States); et al.

The Fermi Large Area Telescope (LAT) data have confirmed the pulsed emission from all six high-confidence gamma-ray pulsars previously known from the EGRET observations. We report results obtained from the analysis of 13 months of LAT data for three of these pulsars (PSR J1057–5226, PSR J1709–4429, and PSR J1952+3252) each of which had some unique feature among the EGRET pulsars. The excellent sensitivity of LAT allows more detailed analysis of the evolution of the pulse profile with energy and also of the variation of the spectral shape with phase. We measure the cutoff energy of the pulsed emission from these pulsars for the first time and provide a more complete picture of the emission mechanism. The results confirm some, but not all, of the features seen in the EGRET data.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
Fermi LAT Collaboration
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1357538
Journal Information:
The Astrophysical Journal, Vol. 720, Issue 1; ISSN 0004-637X
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (4)

First ground-based measurement of sub-20 GeV to 100 GeV γ -Rays from the Vela pulsar with H.E.S.S. II journal December 2018
THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS journal September 2013
The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars text January 2013
First ground-based measurement of sub-20 GeV to 100 GeV $\gamma$-Rays from the Vela pulsar with H.E.S.S. II text January 2018

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