The XMM large-scale structure survey: A well-controlled X-ray cluster sample over the D1 CFHTLS area
The XMM large-scale structure survey: A well-controlled X-ray cluster sample over the D1 CFHTLS area
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XMM 大型结构勘测：D1 CFHTLS 区域上空受控良好的 X 射线星团样本
DOI：
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发表时间：
2006
期刊：
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通讯作者：
A. Read
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文献类型：
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作者：
M. Pierre;F. Pacaud;P. Duc;J. Willis;S. Andreon;I. Valtchanov;B. Altieri;G. Galaz;A. Gueguen;J. Fèvre;O. Fèvre;T. Ponman;P. Sprimont;J. Surdej;C. Adami;A. Alshino;M. Bremer;L. Chiappetti;A. Detal;O. Garcet;E. Gosset;C. Jean;D. Maccagni;C. Marinoni;A. Mazure;H. Quintana;A. Read
本文介绍了加拿大-法国-夏威夷望远镜遗产巡天D1区的XMM大尺度结构巡天（XMM-LSS）星团星表。该列表包含13个光谱确认，X射线选择的星系团超过0.8度2的红移，因此构成了迄今为止最高密度的星系团样本。星团X射线辐射热光度的范围从0.03到5 x 10 44 erg s-1。在这项研究中，我们描述了我们的目录建设过程：从X射线集群候选人的检测到编译的光谱确认集群样本与明确的选择功能。该程序还提供了基本的X射线产品，如集群温度，通量和光度。我们探测到的（0.5-2.0 keV）X射线通量>2 x 10 - 14 erg s-1 cm-2的星系团略多于我们基于ROSAT深空探测的预期。我们还提出了我们的九个最明亮的对象拥有一个可靠的温度测定的亮度-温度关系。斜率与局部关系很好地吻合，但与0.15 < z < 0.35物体的亮度增强兼容，具有1 < T < 2 keV，这是XMM-LSS首次系统地识别的群体。本研究允许编译的集群样本从XMM图像的选择偏差是理解的。这使得，除了大尺度结构的研究，集群标度律演化的系统调查，特别是低质量的X射线组，构成了我们观察到的集群人口的大部分。通过XMM-LSS集群数据库以电子形式提供所有集群辅助数据（图像、剖面、光谱）。
We present the XMM Large-Scale Structure Survey (XMM-LSS) cluster catalogue corresponding to the Canada-France-Hawaii Telescope Legacy Survey Dl area. The list contains 13 spectroscopically confirmed, X-ray selected galaxy clusters over 0.8 deg 2 to a redshift of unity and so constitutes the highest density sample of clusters to date. Cluster X-ray bolometric luminosities range from 0.03 to 5 x 10 44 erg s -1 . In this study, we describe our catalogue construction procedure: from the detection of X-ray cluster candidates to the compilation of a spectroscopically confirmed cluster sample with an explicit selection function. The procedure further provides basic X-ray products such as cluster temperature, flux and luminosity. We detected slightly more clusters with (0.5-2.0 keV) X-ray fluxes of >2 x 10 -14 erg s -1 cm -2 than we expected based on expectations from deep ROSAT surveys. We also present the luminosity-temperature relation for our nine brightest objects possessing a reliable temperature determination. The slope is in good agreement with the local relation, yet compatible with a luminosity enhancement for the 0.15 < z < 0.35 objects having 1 < T < 2 keV, a population that the XMM-LSS is identifying systematically for the first time. The present study permits the compilation of cluster samples from XMM images whose selection biases are understood. This allows, in addition to studies of large-scale structure, the systematic investigation of cluster scaling law evolution, especially for low mass X-ray groups which constitute the bulk of our observed cluster population. All cluster ancillary data (images, profiles, spectra) are made available in electronic form via the XMM-LSS cluster data base.