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American Astronomical Society, Astronomical Journal, 1(127), p. 125-130, 2004

DOI: 10.1086/379963

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An Intriguing X-ray Arc Surrounding the X-ray Source RX J053335-6854.9 toward the Large Magellanic Cloud

Journal article published in 2003 by Justin D. Lowry, You-Hua Chu ORCID, Martn A. Guerrero ORCID, Robert A. Gruendl, Steven L. Snowden, R. Chris Smith, R. Chris Smith
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

ROSAT observations of the Large Magellanic Cloud (LMC) have revealed a large diffuse X-ray arc around the point source RX J053335-6854.9. The relative locations of the diffuse and point sources suggest that they might originate from a common supernova explosion. We have analyzed the physical properties of the diffuse X-ray emission and determined that it is most likely a supernova remnant in a low-density medium in the LMC. We have also analyzed the X-ray and optical observations of RX J053335-6854.9 and concluded that it is a foreground dMe star in the solar neighborhood. Therefore, despite their positional coincidence, these two X-ray sources are physically unrelated. Comment: 13 pages, 5 figures, accepted for publication in the Astronomical Journal, 2004 Jan issue