X-ray observations of PSR B0355+54 and its pulsar wind nebula

Details X-ray observations of PSR B0355+54 and its pulsar wind nebula X-ray observations of PSR B0355+54 and its pulsar wind nebula

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007ap%26ss.308..309m&link_type=abstract

Astrophysics and Space Science, Volume 308, Issue 1-4, pp. 309-316

Astronomy and Astrophysics

Astrophysics

3

Pulsars, Individual (Psr&Nbsp, B0355+54), X-Rays

Scientific paper

We present X-ray data of the middle-aged radio pulsar PSR B0355+54. The XMM-Newton and Chandra observations show not only emission from the pulsar itself, but also compact diffuse emission extending ˜50″ in the opposite direction to the pulsar’s proper motion. Our analysis also indicates the presence of fainter diffuse emission extending ˜5′ from the point source. The morphology of the diffuse component is similar to the ram-pressure confined pulsar wind nebulae detected for other sources. We find that the compact diffuse component is well-fitted with a power-law, with an index that is consistent with the values found for other pulsar wind nebulae. The core emission from the pulsar can be characterized with a thermal plus power-law fit, with the thermal emission most likely originating in a hot polar cap.

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