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Fermi-LAT Search for Pulsar Wind Nebulae around gamma-ray Pulsars

Journal Article · · The Astrophysical Journal
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The high sensitivity of the Fermi-LAT (Large Area Telescope) offers the first opportunity to study faint and extended GeV sources such as pulsar wind nebulae (PWNe). After one year of observation the LAT detected and identified three PWNe: the Crab Nebula, Vela-X, and the PWN inside MSH 15-52. In the meantime, the list of LAT detected pulsars increased steadily. These pulsars are characterized by high energy loss rates ($$\dot{E}$$) from ~3 × 1033 erg s–1 to 5 × 1038 erg s–1 and are therefore likely to power a PWN. This paper summarizes the search for PWNe in the off-pulse windows of 54 LAT-detected pulsars using 16 months of survey observations. Ten sources show significant emission, seven of these likely being of magnetospheric origin. The detection of significant emission in the off-pulse interval offers new constraints on the γ-ray emitting regions in pulsar magnetospheres. The three other sources with significant emission are the Crab Nebula, Vela-X, and a new PWN candidate associated with the LAT pulsar PSR J1023–5746, coincident with the TeV source HESS J1023–575. Here, we further explore the association between the HESS and the Fermi source by modeling its spectral energy distribution. Lastly, flux upper limits derived for the 44 remaining sources are used to provide new constraints on famous PWNe that have been detected at keV and/or TeV energies.
Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
National Aeronautics and Space Administration (NASA); USDOE
Contributing Organization:
The Fermi-LAT Collaboration
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1357270
Alternate ID(s):
OSTI ID: 21567713
Journal Information:
The Astrophysical Journal, Journal Name: The Astrophysical Journal Journal Issue: 1 Vol. 726; ISSN 0004-637X
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (26)

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THE DISTANCE TO THE MASSIVE GALACTIC CLUSTER WESTERLUND 2 FROM A SPECTROSCOPIC AND HST PHOTOMETRIC STUDY , , journal March 2013
SEARCH FOR DARK MATTER SATELLITES USING FERMI -LAT journal February 2012
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THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS journal September 2013
Properties of young pulsar wind nebulae: TeV detectability and pulsar properties journal January 2013
X-ray studies of the gamma-ray pulsar J1826−1256 and its pulsar wind nebula with Chandra and XMM–Newton journal June 2019
HAWC observations strongly favor pulsar interpretations of the cosmic-ray positron excess journal November 2017
Search for GeV γ -Ray Pair Halos Around Low Redshift Blazars journal November 2015
Fermi Large Area Telescope Fourth Source Catalog collection January 2020
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
Fermi Large Area Telescope Fourth Source Catalog text January 2020
Outflow and Emission Model of Pulsar Wind Nebulae with the Back Reaction of Particle Diffusion journal November 2018
Fermi Large Area Telescope Fourth Source Catalog journal March 2020
A spectroscopic investigation of early-type stars in the young open cluster Westerlund 2 text January 2011
Search for Dark Matter Satellites using the FERMI-LAT text January 2012
Time-dependent Modeling of Pulsar Wind Nebulae text January 2013
NuSTAR study of Hard X-Ray Morphology and Spectroscopy of PWN G21.5-0.9 text January 2014
HAWC Observations Strongly Favor Pulsar Interpretations of the Cosmic-Ray Positron Excess text January 2017
Outflow and Emission Model of Pulsar Wind Nebulae with the Back-reaction of Particle Diffusion text January 2018
X-ray studies of the gamma-ray pulsar J1826-1256 and its pulsar wind nebula with Chandra and XMM-Newton text January 2019

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