Discovery of Localized Non-thermal X-ray Emission from the Nova Remnant of GK Persei (1901)

Details Discovery of Localized Non-thermal X-ray Emission from the Nova Remnant of GK Persei (1901) Discovery of Localized Non-thermal X-ray Emission from the Nova Remnant of GK Persei (1901)

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aspc..330..433b&link_type=abstract

The Astrophysics of Cataclysmic Variables and Related Objects, Proceedings of ASP Conference Vol. 330. Edited by J.-M. Hameury a

Astronomy and Astrophysics

Astrophysics

Scientific paper

The X-ray nebula associated with the nova shell of GK Persei (1901) is lumpy and asymmetric with most of the emission coming from the SW. The brightest X-ray emission region that appears as an arc is co-spatial with the brightest non-thermal radio emitting region and found to be a source of non-thermal X-ray emission with a power law photon index of 2.3+0.9-1.3 with L ˜ 4 × 1030 erg s-1 at 470 pc. The unexpectedly low temperature of the forward shock (0.1-0.3 keV) is suggestive of particle acceleration occurring in this region, too. The total X-ray spectrum of the nebula consists of two prominent components of emission (other than the localized non-thermal emission).

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