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XMM-Newton and Canadian Galactic Plane Survey observations of the supernova remnant G107.5-1.5
KTH, School of Engineering Sciences (SCI), Physics. Univ Manitoba, Canada.
2014 (English)In: Monthly notices of the Royal Astronomical Society, ISSN 0035-8711, E-ISSN 1365-2966, Vol. 444, no 3, 2228-2235 p.Article in journal (Refereed) Published
Abstract [en]

We present an XMM-Newton observation of the highly polarized low-surface-brightness supernova remnant (SNR) G107.5-1.5, discovered with the Canadian Galactic Plane Survey. We do not detect diffuse X-ray emission from the SNR and set an upper limit on the surface brightness of similar to 2 x 10(30) erg arcmin(-2) s(-1), at an assumed distance of 1.1 kpc. We found eight bright point sources in the field, including the ROSAT source 1RXS J225203.8+574249 near the centre of the radio shell. Spectroscopic analysis of some of the embedded point sources, including the ROSAT source, has been performed, and all eight sources are most likely ruled out as the associated neutron star, primarily due to counterpart bright stars in optical and infrared bands. Timing analysis of the bright point sources yielded no significant evidence for pulsations, but, due to the timing resolution, only a small part of the frequency space could be searched. An additional 10 fainter point sources were identified in the vicinity of the SNR. Further X-ray observation of these and the region in the vicinity of the radio shell may be warranted.

Place, publisher, year, edition, pages
2014. Vol. 444, no 3, 2228-2235 p.
Keyword [en]
stars: neutron, ISM: individual objects: G107.5-1.5, ISM: supernova remnant, X-rays: ISM
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-156109DOI: 10.1093/mnras/stu1515ISI: 000343399600022OAI: diva2:778110

QC 20150109

Available from: 2015-01-09 Created: 2014-11-21 Last updated: 2015-01-09Bibliographically approved

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