RETRACTED ARTICLE: X-ray observations of PSR B0355+54 and its pulsar wind nebula

被引：0
|
作者：
Katherine E. McGowan
W. Thomas Vestrand
Jamie A. Kennea
Silvia Zane
Mark Cropper
France A. Córdova
机构：
[1] University of Southampton,School of Physics and Astronomy
[2] Los Alamos National Laboratory,525 Davey Laboratory
[3] Pennsylvania State University,Chancellor’s Office
[4] Mullard Space Science Laboratory,undefined
[5] University of California,undefined
来源：
Astrophysics and Space Science | 2007年 / 308卷
关键词：
Pulsars; Individual (PSR B0355+54); X-rays;
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学科分类号：
摘要：
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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页码：309 / 316
页数：7
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