Cluster mass profile reconstruction with size and flux magnification on the HST STAGES survey
Monthly Notices of the Royal Astronomical Society(2016)
摘要
We present the first measurement of individual cluster mass estimates using weak lensing size and flux magnification. Using data from the HST STAGES (Space Telescope A901/902 Galaxy Evolution Survey) survey of the A901/902 supercluster we detect the four known groups in the supercluster at high significance using magnification alone. We discuss the application of a fully Bayesian inference analysi...
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关键词
gravitational lensing: weak,methods: data analysis,galaxies: clusters: general,dark matter
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