The First Systematic Multi-wavelength Survey of Extragalactic Supernova Remnants

被引:3
|
作者
Leonidaki, I. [1 ]
Boumis, P. [1 ]
Zezas, A. [2 ,3 ,4 ,5 ]
机构
[1] Natl Observ Athens, Inst Astron Astrophys Space Applicat & Remote Sen, I Metaxa & Vas Pavlou St, GR-15236 Athens, Greece
[2] Univ Crete, Phys Dept, Iraklion 71003, Greece
[3] Inst Theoret & Computat Phys, Iraklion 71003, Greece
[4] Fdn Res & Technol Hellas, Iraklion 71110, Greece
[5] Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
来源
SUPERNOVA ENVIRONMENTAL IMPACTS | 2014年 / 9卷 / S296期
关键词
supernova remnants; ISM; star formation; galaxies; X-RAY; DISCOVERY;
D O I
10.1017/S1743921313009502
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the largest sample of multi-wavelength Supernova Remnants (SNRs) in six nearby galaxies, based on Chandra archival data and deep optical narrow-band H alpha and [S ii] images as well as spectroscopic observations. We have identified 37 X-ray selected thermal SNRs, 30 of which are new identifications and similar to 400 optical SNRs, for 67 of which we spectroscopically verified their shock-excited nature. We discuss the properties of the X-ray/optically detected SNRs in different types of galaxies and hence different environments, in order to address their dependence on their Interstellar Medium (ISM). We also discuss the SNR populations in the context of the star formation rate of their host galaxies. We cross-correlate parameters of the optically detected SNRs with parameters of coincident X-ray emitting SNRs in order to understand their evolution and investigate possible selection effects.
引用
收藏
页码:222 / 225
页数:4
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