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Morphological Studies of the PWN candidate HESS J1809-193

N. Komin 1 Y. Gallant 1 K. Kosack G. Puehlhofer S. Schwemmer S. Carrigan A. Djannati-Ataï 2
2 APC - AHE - APC - Astrophysique des Hautes Energies
APC (UMR_7164) - AstroParticule et Cosmologie, Dipartimento di Astronomia, Universita degli Studi di Bologna
Abstract : The H.E.S.S. source J1809-193 was discovered in 2006 in data of the Galactic Plane survey, followed by several re-observations. It shows a hard gamma-ray spectrum and the emission is clearly extended. Its vicinity to PSR J1809-1917, a high spin-down luminosity pulsar powerful enough to drive the observed gamma-ray emission, makes it a plausible candidate for a Pulsar Wind Nebula. On the other hand, in this region of the sky a number of faint, radio-emitting supernova remnants can be found, making a firm conclusion on the source type difficult. We will present a morphological study of recent data of the source taken with H.E.S.S. We will compare the results with Chandra X-ray data and discuss possible radio counterparts. This may lead to the answer to the question of the nature of HESS J1809-193.
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http://hal.in2p3.fr/in2p3-00170216
Contributor : Simone Lantz <>
Submitted on : Thursday, September 6, 2007 - 6:23:00 PM
Last modification on : Saturday, September 19, 2020 - 4:51:45 AM

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  • HAL Id : in2p3-00170216, version 1

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N. Komin, Y. Gallant, K. Kosack, G. Puehlhofer, S. Schwemmer, et al.. Morphological Studies of the PWN candidate HESS J1809-193. 30th International Cosmic Ray Conference - ICRC'07, Jul 2007, Merida, Mexico. ⟨in2p3-00170216⟩

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