Discovery of two candidate pulsar wind nebulae in very-high-energy gamma rays
arXiv:0705.1605 · doi:10.1051/0004-6361:20077280
Abstract
We present the discovery of two very-high-energy gamma-ray sources in an ongoing systematic search for emission above 100 GeV from pulsar wind nebulae in survey data from the H.E.S.S. telescope array. Imaging Atmospheric Cherenkov Telescopes are ideal tools for searching for extended emission from pulsar wind nebulae in the very-high-energy regime. H.E.S.S., with its large field of view of 5 degrees and high sensitivity, gives new prospects for the search for these objects. An ongoing systematic search for very-high-energy emission from energetic pulsars over the region of the Galactic plane between -60 degrees < l < 30 degrees, -2 degrees < b < 2 degrees is performed. For the resulting candidates, the standard H.E.S.S. analysis was applied and a search for multi-wavelength counterparts was performed. We present the discovery of two new candidate gamma-ray pulsar wind nebulae, HESS J1718-385 and HESS J1809-193. H.E.S.S. has proven to be a suitable instrument for pulsar wind nebula searches.
10 pages, 3 figures, 2 tables, to appear in A&A
References in corpus (6)
- The ATNF Pulsar Catalogue
- Observations of the Crab Nebula with H.E.S.S
- Background Modelling in Very-High-Energy gamma-ray Astronomy
- First detection of a VHE gamma-ray spectral maximum from a Cosmic source: H.E.S.S. discovery of the Vela X nebula
- Discovery of 35 New Supernova Remnants in the Inner Galaxy
- Energy dependent gamma-ray morphology in the Pulsar wind nebula HESSJ1825-137
Cited by in corpus (43)
- Fermi Large Area Telescope First Source Catalog
- The First Fermi Large Area Telescope Catalog of Gamma-ray Pulsars
- The 2HWC HAWC Observatory Gamma Ray Catalog
- The population of TeV pulsar wind nebulae in the H.E.S.S. Galactic Plane Survey
- Constraints on the Galactic Population of TEV Pulsar Wind Nebulae Using Fermi Large Area Telescope Observations
- Non-thermal emission from relativistic MHD simulations of PWNe: from synchrotron to inverse Compton
- On the evolution of the Gamma- and X-ray luminosities of Pulsar Wind Nebulae
- The soft gamma-ray pulsar population: an high-energy overview
- Exploring a SNR/Molecular Cloud Association Within HESS J1745-303
- Revisiting the Westerlund 2 Field with the H.E.S.S. Telescope Array
- Generalized bumblebee models and Lorentz-violating electrodynamics
- Gamma-ray and Radio Properties of Six Pulsars Detected by the Fermi Large Area Telescope
- Properties of Young Pulsar Wind Nebulae: TeV Detectability and Their Pulsar Properties
- X-ray Evolution of Pulsar Wind Nebulae
- X-ray emission from PSR J1809-1917 and its pulsar wind nebula, possibly associated with the TeV gamma-ray source HESS J1809-193
- Discovery of a Young, Energetic 70.5 ms Pulsar Associated with the TeV Gamma-ray Source HESS J1837-069
- Discovery of the source HESS J1356-645 associated with the young and energetic PSR J1357-6429
- Gamma-ray spectral modulations of Galactic pulsars caused by photon-ALPs mixing
- The distance to the young open cluster Westerlund 2
- The Nature of a Cosmic-Ray Accelerator, CTB37 B, Observed with Suzaku and Chandra
- PSR J1856+0245: Arecibo Discovery of a Young, Energetic Pulsar Coincident with the TeV Gamma-ray Source HESS J1857+026
- Prospects for Observations of Pulsars and Pulsar Wind Nebulae with CTA
- Discovery of a Highly Energetic X-ray Pulsar Powering HESS J1813-178 in the Young Supernova Remnant G12.82-0.02
- Revised predictions of neutrino fluxes from Pulsar Wind Nebulae
- Estimating the birth period of pulsars through GLAST/LAT observations of their wind nebulae
- Detection of very-high-energy gamma-ray emission from the vicinity of PSR B1706-44 and G343.1-2.3 with H.E.S.S
- HESS J1809193: a halo of escaped electrons around a pulsar wind nebula?
- GeV emission in the region of HESS J1809-193 and HESS J1813-178: is HESS J1809-193 a proton pevatron?
- Observation of TeV Gamma Rays from the Fermi Bright Galactic Sources with the Tibet Air Shower Array
- Unveiling the origin of HESS J1809-193
- X-Ray Studies of HESS J1809-193 with Suzaku
- Chandra Monitoring of the J1809-1917 Pulsar Wind Nebula and Its Field
- Dense molecular gas at 12 mm towards Galactic TeV gamma-ray sources
- Discovery of an X-ray nebula around PSR J1718-3825 and implications for the nature of the gamma-ray source HESS J1718-385
- INTEGRAL observations of PSR J1811-1925 and its associated Pulsar Wind Nebula
- Observation of an extended VHE gamma-ray emission from MSH 15-52 with CANGAROO-III
- Revisiting the Chandra Observation on the Region of PSR J1809-1917: Indication of an X-ray Halo and Implication for the Origin of HESS J1809-193
- Multiwavelength study of the northeastern outskirts of the extended TeV source HESS J1809-193
- HESS J1809-193: Gamma-Ray Emission by Cosmic Rays from Past Explosion
- Morphological Studies of the PWN Candidate HESS J1809-193
- Status of Very High Energy gamma-ray Astronomy as of early 2008
- Using X-ray observations to identify the particle acceleration mechanisms in VHE SNRs and "dark" VHE sources
- Pulsar Observations with the Fermi Large Area Telescope