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Title: Detection of the pulsar wind nebula HESS J1825-137 with the Fermi Large Area Telescope

Journal Article · · The Astrophysical Journal
 [1];  [2];  [3];  [2];  [4];  [5];  [6];  [7];  [8];  [9];  [8];  [10];  [11];  [2];  [2];  [12];  [2];  [13];  [6];  [7]
  1. Univ. Bordeaux, Gradignan (France); Univ. Tubingen, Tubingen (Germany)
  2. Stanford Univ., Stanford, CA (United States)
  3. Univ. Bordeaux, Gradignan (France)
  4. Univ. of Leicester, Leicester (United Kingdom)
  5. Columbia Univ., New York, NY (United States)
  6. Observatoire de Paris, Nancay (France)
  7. The Univ. of Manchester (United Kingdom)
  8. Max-Planck-Institut fur Radioastronomie, Bonn (Germany)
  9. Naval Research Lab., Washington, D.C. (United States)
  10. Australia Telescope National Facility, Epping, NSW (Australia)
  11. The Univ. of Manchester (United Kingdom); Max-Planck-Institut fur Radioastronomie, Bonn (Germany)
  12. INAF-Cagliari Astronomical Observatory, Capoterra (CA) (Italy)
  13. Univ. of Leeds, Leeds (United Kingdom)
+ Show Author Affiliations

Here, we announce the discovery of 1-100 GeV gamma-ray emission from the archetypal TeV pulsar wind nebula (PWN) HESS J1825–137 using 20 months of survey data from the Fermi-Large Area Telescope (LAT). The gamma-ray emission detected by the LAT is significantly spatially extended, with a best-fit rms extension of σ = 0°.56 ± 0°.07 for an assumed Gaussian model. The 1-100 GeV LAT spectrum of this source is well described by a power law with a spectral index of 1.38 ± 0.12 ± 0.16 and an integral flux above 1 GeV of (6.50 ± 0.21 ± 3.90) × 10–9 cm–2 s–1. The first errors represent the statistical errors on the fit parameters, while the second ones are the systematic uncertainties. Detailed morphological and spectral analyses bring new constraints on the energetics and magnetic field of the PWN system. As a result, the spatial extent and hard spectrum of the GeV emission are consistent with the picture of an inverse Compton origin of the GeV-TeV emission in a cooling-limited nebula powered by the pulsar PSR J1826–1334.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1357202
Journal Information:
The Astrophysical Journal, Vol. 738, Issue 1; ISSN 0004-637X
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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Cited By (27)

Pulsar-Wind Nebulae and Magnetar Outflows: Observations at Radio, X-Ray, and Gamma-Ray Wavelengths journal March 2017
Particle transport within the pulsar wind nebula HESS J1825–137 journal January 2019
SEARCH FOR DARK MATTER SATELLITES USING FERMI -LAT journal February 2012
Time-Dependent Modeling of Pulsar wind Nebulae journal August 2013
FERMI LARGE AREA TELESCOPE SECOND SOURCE CATALOG journal March 2012
THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS journal September 2013
FERMI LARGE AREA TELESCOPE THIRD SOURCE CATALOG journal June 2015
γ-ray emission from the Westerlund 1 region journal July 2013
HESS J1640-465 - an exceptionally luminous TeV  -ray supernova remnant journal February 2014
Time-dependent modelling of pulsar wind nebulae: study on the impact of the diffusion-loss approximations: Time-dependent modelling of PWNe journal October 2012
The 2HWC HAWC Observatory Gamma-Ray Catalog journal June 2017
3FHL: The Third Catalog of Hard Fermi -LAT Sources journal September 2017
Fermi Large Area Telescope Fourth Source Catalog journal March 2020
The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars text January 2013
Fermi Large Area Telescope Fourth Source Catalog text January 2020
3FHL: The Third Catalog of Hard Fermi -LAT Sources text January 2017
Particle transport within the pulsar wind nebula HESS J1825-137 text January 2018
Fermi Large Area Telescope Fourth Source Catalog collection January 2020
HESS J1640-465 - an exceptionally luminous TeV ${\gamma}$-ray supernova remnant text January 2014
Particle Transport within the Pulsar Wind Nebula HESS J1825-137 text January 2018
Particle transport within the pulsar wind nebula HESS J1825–137 text January 2019
Search for Dark Matter Satellites using the FERMI-LAT text January 2012
Time-dependent Modeling of Pulsar Wind Nebulae text January 2013
HESS J1640-465 - an exceptionally luminous TeV gamma-ray supernova remnant text January 2014
3FHL: The Third Catalog of Hard Fermi-LAT Sources text January 2017
The 2HWC HAWC Observatory Gamma Ray Catalog text January 2017
Pulsar-wind nebulae and magnetar outflows: observations at radio, X-ray, and gamma-ray wavelengths text January 2017

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
gamma rays: general
ISM: individual objects (G18.0-0.7 HESS J1825–137)
pulsars: general
pulsars: individual (PSR B1823-13 PSR J1826-1334)