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

Katherine E. McGowan, W. Thomas Vestrand, Jamie A. Kennea, Silvia Zane, Mark Cropper, France A. Córdova

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

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.

Original languageEnglish (US)
Pages (from-to)309-316
Number of pages8
JournalAstrophysics and Space Science
Volume308
Issue number1-4
DOIs
StatePublished - Apr 1 2007

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nebulae
pulsars
x rays
power law
thermal power
ram
polar caps
proper motion
point source
thermal emission
XMM-Newton telescope
newton
point sources
radio

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

McGowan, K. E., Vestrand, W. T., Kennea, J. A., Zane, S., Cropper, M., & Córdova, F. A. (2007). X-ray observations of PSR B0355+54 and its pulsar wind nebula. Astrophysics and Space Science, 308(1-4), 309-316. https://doi.org/10.1007/s10509-007-9319-9
McGowan, Katherine E. ; Vestrand, W. Thomas ; Kennea, Jamie A. ; Zane, Silvia ; Cropper, Mark ; Córdova, France A. / X-ray observations of PSR B0355+54 and its pulsar wind nebula. In: Astrophysics and Space Science. 2007 ; Vol. 308, No. 1-4. pp. 309-316.
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McGowan, KE, Vestrand, WT, Kennea, JA, Zane, S, Cropper, M & Córdova, FA 2007, 'X-ray observations of PSR B0355+54 and its pulsar wind nebula', Astrophysics and Space Science, vol. 308, no. 1-4, pp. 309-316. https://doi.org/10.1007/s10509-007-9319-9

X-ray observations of PSR B0355+54 and its pulsar wind nebula. / McGowan, Katherine E.; Vestrand, W. Thomas; Kennea, Jamie A.; Zane, Silvia; Cropper, Mark; Córdova, France A.

In: Astrophysics and Space Science, Vol. 308, No. 1-4, 01.04.2007, p. 309-316.

Research output: Contribution to journalArticle

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AB - 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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