The X-ray Remnant of SN1987A

Details The X-ray Remnant of SN1987A The X-ray Remnant of SN1987A

2000-09-17

arxiv.org/abs/astro-ph/0009265v1

Astronomy and Astrophysics

Astrophysics

16 pages, 3 figures, Accepted for publication in ApJ Letters

Scientific paper

10.1086/317271

We present high resolution Chandra observations of the remnant of SN1987A in the Large Magellanic Cloud. The high angular resolution of the Chandra X-ray Observatory (CXO) permits us to resolve the X-ray remnant. We find that the remnant is shell-like in morphology, with X-ray peaks associated with some of the optical hot spots seen in HST images. The X-ray light curve has departed from the linear flux increase observed by ROSAT, with a 0.5-2.0 keV luminosity of 1.5 x 10^35 erg/s in January 2000. We set an upper limit of 2.3 x 10^34 ergs/s on the luminosity of any embedded central source (0.5 - 2 keV). We also present a high resolution spectrum, showing that the X-ray emission is thermal in origin and is dominated by highly ionized species of O, Ne, Mg, and Si.

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