Extended X-ray emission from the planetary nebula BD+30°3639

被引：11
作者：
Leahy, DA [1 ]
Kwok, S [1 ]
Yin, DH [1 ]
机构：
[1] Univ Calgary, Dept Phys & Astron, Calgary, AB T2N 1N4, Canada
来源：
ASTROPHYSICAL JOURNAL | 2000年 / 540卷 / 01期
关键词：
planetary nebulae : individual (BD+30 degrees 3639); stars : mass loss; stars; winds; outflows; X-rays : ISM;
D O I：
10.1086/309332
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We report the discovery of extended X-ray emission from the planetary nebula ED +30 degrees 3639. Analysis of the ROSAT HRI image shows clearly that ED + 30 degrees 3639 has extended X-ray emission which is well fitted with a Gaussian source of sigma = 1." 17-2." 8 (95.4% confidence interval). This size is consistent with being the same as that of the optical nebula as imaged by the Hubble Space Telescope. ED + 30 degrees 3639 therefore represents the best case for the detection of a shocked-stellar-wind bubble in planetary nebulae.
引用
收藏
页码：442 / 446
页数：5
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