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GMRT observations of the radio trail from CXOU J163802.6-471358

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Peer-reviewed

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Article

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Abstract

jats:titleABSTRACT</jats:title> jats:pThe X-ray source CXOU J163802.6−471358 is thought to be a pulsar wind nebula (PWN), as it shows an extended, ≈40 arcsec trail from a compact source. Here, we present Giant Metrewave Radio Telescope observations of this source at 330 and 1390 MHz, which reveal a remarkable linear radio trail ≈90 arcsec in extent. Although the radio trail points back to the supernova remnant (SNR) G338.1+0.4, ≈50 arcmin from CXOU J163802.6−471358, associating it with this remnant would require a very large velocity for the pulsar. There are no known Galactic SNRs close to the PWN and radio trail. No pulsar has yet been identified in CXOU J163802.6−471358, but if one could be found, this would allow more quantitative studies of the PWN and radio trail to be made.</jats:p>

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Keywords

5101 Astronomical Sciences, 51 Physical Sciences

Journal Title

Monthly Notices of the Royal Astronomical Society

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Journal ISSN

0035-8711
1365-2966

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Publisher

Oxford University Press (OUP)