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VLA Gives New Insight Into Galaxy Cluster’s Spectacular “Mini-Halo”
VLA Galaxy Cluster’s Spectacular Mini-Halo
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2017/7/21
Astronomers using the National Science Foundation’s Karl G. Jansky Very Large Array (VLA) have discovered new details that are helping them decipher the mystery of how giant radio-emitting structures ...
Beyond the Best-fit Parameter: New Insight on Galaxy Structure Decomposition From GALPHAT
Galaxy GALPHAT
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2014/12/23
We introduce a novel image decomposition package, Galphat, that provides robust estimates of galaxy surface brightness profiles using Bayesian Markov Chain Monte Carlo. The Galphat-determined posterio...
New insight on galaxy structure from GALPHAT I. Motivation, methodology, and benchmarks for Sersic models
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Instrumentation and Methods for Astrophysics (astro-ph.IM)
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2010/12/27
We introduce a new galaxy image decomposition tool, GALPHAT (GALaxy PHotometric ATtributes), to provide full posterior probability distributions and reliable confidence intervals for all model paramet...
![](http://www.firstlight.cn/upload/imgfile/200911/24/20091124162137.jpg)
Unusual Explosion Sparks New Insight Into the Life of Stars(图)
Unusual Explosion Sparks New Insight the Life of Stars
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2009/11/24
Scientists in California have discovered a new way that stars explode, in research funded by the National Science Foundation (NSF).The discovery hinges on an unusual explosion in the galaxy NGC 1821, ...