Supernova remnants and candidates detected in the XMM-Newton M 31 large survey

Supernova remnants and candidates detected in the XMM-Newton M 31 large survey
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XMM-Newton M 31 大型巡天中发现的超新星遗迹和候选者

DOI:
10.1051/0004-6361/201219025
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发表时间:
2012
影响因子:
6.5
通讯作者:
Williams
Williams
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Sasaki;Pietsch;Haberl;Hatzidimitriou;Stiele;Williams

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我们给出了对M 31的超新星遗迹(SNR)和在M 31的XMM-牛顿大计划调查中确定的候选者的分析。超新星遗迹是星系中最亮的X射线源之一。目的通过将M 31中源的X射线数据与光学数据以及光学和射电星表相结合,编制一份完整的、经过修订的M 31中发射X射线的信噪比列表,研究它们的光度和空间分布,并了解最亮信噪比的X射线光谱。方法:我们分析了用XMM-牛顿观测到的12个最亮的信噪比和候选信噪比。我们对四个最亮光源的研究使我们能够进行更详细的光谱分析,并比较不同的模型来描述它们的光谱。对于所有的M 31大程序源,我们搜索了它们在Hα、[S II]和[O III]本星系群观测图像中的光学对应物。结果:我们确认了21个X射线源与已知SNR对应。此外,我们还确定了5个新的X射线源为X射线源和光学发射信噪比。17个信号源不再被视为SNR候选者。因此,我们基于它们的X射线、光学和无线电发射,在M 31中创建了26个X射线SNR和20个X射线SNR候选者的列表,这是M 31中X射线SNR的最新完整列表。最亮的SNR在0.35-2.0keV波段的X射线亮度最高可达8×1036erg的S-1。
Context.We present the analysis of supernova remnants (SNRs) and candidates in M 31 identified in theXMM-Newtonlarge programme survey of M 31. Supernova remnants are among the brightest X-ray sources in a galaxy. They are good indicators of the recent star-formation activities of galaxies and the interstellar environment in which they evolve.Aims.By combining the X-ray data of sources in M 31 with optical data as well as optical and radio catalogues, we aim to compile a complete, revised list of SNRs emitting X-rays in M 31 detected withXMM-Newton, study their luminosity and spatial distributions, and understand the X-ray spectra of the brightest SNRs.Methods.We analysed the X-ray spectra of the 12 brightest SNRs and candidates that have been observed withXMM-Newton. Our study of the four brightest sources allowed us to perform a more detailed spectral analysis and compare different models to describe their spectrum. For all M 31 large programme sources, we searched for their optical counterparts in the Hα, [S ii], and [O iii] images of the Local Group Galaxy Survey.Results.We confirm 21 X-ray sources as counterparts to known SNRs. In addition, we identify 5 new X-ray sources as X-ray and optically emitting SNRs. Seventeen sources are no longer considered as SNR candidates. We thus create a list of 26 X-ray SNRs and 20 X-ray SNR candidates in M 31 based on their X-ray, optical, and radio emission, which is the most recent complete list of X-ray SNRs in M 31. The brightest SNRs have X-ray luminosities of up to 8 × 1036erg s-1in the 0.35–2.0 keV band.
对 M31 球状星团中三个明亮 X 射线源(包括一个新黑洞候选者)的新 XMM-牛顿分析
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者:
Robin Barnard;H. Stiele;D. Hatzidimitriou;A. Kong;B. Williams;W. Pietsch;U. Kolb;F. Haberl;G. Sala
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M31 中两个新的 X 射线/光学/射电超新星遗迹
DOI: --
发表时间: 2004
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作者:
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