Morphological Studies of the PWN Candidate HESS J1809-193 - AstrophysicsReport as inadecuate




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Abstract: The source HESS J1809-193 was discovered in 2006 in data of the GalacticPlane survey, followed by several re-observations. It shows a hard gamma-rayspectrum and the emission is clearly extended. Its vicinity to PSR J1809-1917,a high spin-down luminosity pulsar powerful enough to drive the observedgamma-ray emission, makes it a plausible candidate for a TeV Pulsar Wind NebulaPWN. 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 thesource type difficult.Here we present a detailed morphological study of recent H.E.S.S. data andcompare the result with X-ray measurements taken with Chandra and radio data.The association with a PWN is likely, but contributions from supernova remnantscannot be ruled out.



Author: Nu. Komin, S. Carrigan, A. Djannati-Ataï, Y.A. Gallant, K. Kosack, G. Puehlhofer, S. Schwemmer, for the H.E.S.S. Collaboration

Source: https://arxiv.org/







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