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Title: Observations Of Energetic High Magnetic Field Pulsars With The Fermi Large Area Telescope

Journal Article · · Astrophysical Journal
 [1];  [2];  [2];  [3];  [4];  [5];  [6];  [7];  [8];  [9];  [9];  [2];  [5];  [2];  [5];  [10];  [11];  [6];  [2];  [12] more »;  [13];  [12];  [8];  [8];  [14];  [5];  [8];  [12];  [11];  [15] « less
  1. George Mason Univ., Fairfax, VA (United States); Naval Research Lab. (NRL), Washington, DC (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Rice Univ., Houston, TX (United States)
  4. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States); Univ. of Maryland, College Park, MD (United States)
  5. Univ. of Manchester (United Kingdom)
  6. Columbia Univ., New York, NY (United States). Columbia Astrophysics Lab.
  7. NASA Goddard Space Flight Center (GSFC), Greenbelt, MD (United States)
  8. Australia Telescope National Facility, Epping, NSW (Australia)
  9. McGill Univ., Montreal, QC (Canada)
  10. George Mason Univ., Fairfax, VA (United States)
  11. Istituto Nazionale di Astrofisica (INAF), Capoterra (Italy). Cagliari Astronomical Observatory
  12. Max Planck Inst for Radioastronomy, Bonn (Germany)
  13. Istituto Nazionale di Fisica Nucleare (INFN), Bari (Italy); Univ. e del Politecnico, Bari (Italy)
  14. Max Planck Inst for Radioastronomy, Bonn (Germany); Univ. of Manchester (United Kingdom)
  15. Univ. of Bordeaux, Gradignan (France)
+ Show Author Affiliations

We report the detection of γ-ray pulsations from the high-magnetic-field rotation-powered pulsar PSR J1119-6127 using data from the Fermi Large Area Telescope. The γ-ray light curve of PSR J1119-6127 shows a single, wide peak offset from the radio peak by 0.43± 0.02 in phase. Spectral analysis suggests a power law of index 1.0 ± 0.3+0.4 -0.2 with an energy cut-off at 0.8 ± 0.2+2.0 -0.5GeV. The first uncertainty is statistical and the second is systematic. We discuss the emission models of PSR J1119-6127 and demonstrate that despite the object’s high surface magnetic field—near that of magnetars—the field strength and structure in the γ-ray emitting zone are apparently similar to those of typical young pulsars. Additionally, we present upper limits on the γ-ray pulsed emission for the magnetically active PSR J1846-0258 in the supernova remnant Kesteven 75 and two other energetic high-B pulsars, PSRs J1718-3718 and J1734-3333. We explore possible explanations for the non-detection of these three objects, including peculiarities in their emission geometry.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1356778
Journal Information:
Astrophysical Journal, Vol. 743, Issue 2; ISSN 0004-637X
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 21 works
Citation information provided by
Web of Science

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Cited By (7)

The H.E.S.S. Galactic plane survey journal April 2018
THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS journal September 2013
Formation rates and evolution histories of magnetars journal May 2019
Investigation of the High-energy Emission from the Magnetar-like Pulsar PSR J1119–6127 after the 2016 Outburst journal October 2018
The 2016 Outburst of PSR J1119-6127: Cooling and a Spin-down-dominated Glitch journal December 2018
The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars text January 2013
The H.E.S.S. Galactic plane survey text January 2018

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