Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21733604v&link_type=abstract
American Astronomical Society, AAS Meeting #217, #336.04; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
The pulsar wind nebula associated with PSR J1826-1334, HESS J1825-137, is a bright very high energy source with an angular extent of 1 degree and spatially-resolved spectroscopic TeV measurements. The gamma-ray spectral index is observed to soften with increasing distance from the pulsar, likely the result of cooling losses as electrons traverse the nebula. Yet while the extended nebula stemming from PSR J1826-1334 has been well studied at TeV energies, only the core of the pulsar wind nebula has been studied in detail at longer wavelengths. We describe analysis of X-ray data of the extended nebula and 3-D time-dependent spectral energy distribution modeling of this source, with emphasis on the spatial variations within HESS J1825-137. We find that the multi-wavelength data already places significant constraints on the electron injection, transport, and cooling.
Etten Adam Van
Romani Roger W.
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