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VLA Gives New Insight Into Galaxy Cluster’s Spectacular “Mini-Halo”
VLA Galaxy Cluster’s Spectacular Mini-Halo
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
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)
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...
Unusual Explosion Sparks New Insight Into the Life of Stars（图）
Unusual Explosion Sparks New Insight the Life of Stars
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, ...