The X-ray remnant of SN 1987A

被引:90
|
作者
Burrows, DN [1 ]
Michael, E
Hwang, U
McCray, R
Chevalier, RA
Petre, R
Garmire, GP
Holt, SS
Nousek, JA
机构
[1] Penn State Univ, Dept Astron & Astrophys, Davey Lab 525, University Pk, PA 16802 USA
[2] Univ Colorado, Joint Inst Lab Astrophys, Boulder, CO 80309 USA
[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[4] Univ Virginia, Dept Astron, Charlottesville, VA 22903 USA
来源
ASTROPHYSICAL JOURNAL | 2000年 / 543卷 / 02期
关键词
supernovae : general; supernovae : individual (SN 1987A); supernova remnants; X-rays : general; X-rays : stars;
D O I
10.1086/317271
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present high-resolution Chandra observations of the remnant of SN 1987A in the Large Magellanic Cloud. The high angular resolution of the Chandra X-Ray Observatory 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 Hubble Space Telescope images. The X-ray light curve has deviated from the linear flux increase observed by ROSAT, with a 0.5-2.0 keV luminosity of 1.5 x 10(35) ergs s(-1) in 2000 January. We set an upper limit of 2.3 x 10(34) ergs s(-1) on the observed luminosity of any embedded central source (0.5-2 keV). We also present a high-resolution spectrum and show that the X-ray emission is thermal in origin and is dominated by highly ionized species of O, Ne, Mg, and Si.
引用
收藏
页码:L149 / L152
页数:4
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