New X- ray observations towards the pulsar PSR J1826-1256

GIACANI E.; CASTELLETTI G.; PETRIELLA A.; SUPAN L.

Chania

Conferencia; Supernova Remnants: An odyssey in space after stellar death II; 2019

The Institute for Astronomy, Astrophysics, Space Application & Remote Sensing of the National Observatory of Athens

We present the results of XMM-Newton observations in direction to the pulsar PSR J1826-1256, which lies at 5.4 arcmin from the centroid of the TeV source HESS J1826-130. These data reveal an elongated nebula with the pulsar located in the northern border and a trail towards the peak of the very high energy source. The spectral analysis shows a nonthermal nature for the X-ray emission and a clear softening of the photon index with increasing distance from the pulsar. We discuss the connection among the pulsar, its nebula, and the HESS source.