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New insights into galaxy structure from galphat– I. Motivation, methodology and benchmarks for Sérsic models
new galaxy image decomposition tool galphat
2014/12/20
We introduce a new galaxy image decomposition tool, galphat (GALaxy PHotometric ATtributes), which is a front-end application of the Bayesian Inference Engine (bie), a parallel Markov chain Monte Carl...
Models and observations of the millimeter and submillimeter molecular line emission of bright -rimmed clouds
Mm The mm Molecular line measurement Hereditary hemorrhagic capillaries expansion Observation of hydrodynamic shocks
2014/12/9
We present the results of a comparison of new millimeter and submillimeter molecular line survey of bright-rimmed clouds, observed at FCRAO in the CO (J = 1 → 0), C18O (J = 1 → 0), HCO+ (J = 1 → 0), H...
A hurricane rages off the coast of Florida. Planes fly into the eye of the storm, capturing details about the speed and structure of the hurricane and beaming this data back to headquarters.
Light dark matter (DM) models with isospin violation (ISV) and large DM-nucleon spin-independent cross section \sigma_n may provide a way to understand the confusing DM direct detection experimental r...
Evolution of non-Gaussianity in multi-scalar field models
Infl ation Cosmological perturbation theory Physics of the early universe
2011/10/8
We study the evolution of non-Gaussianity in multiple-field inflationary models, focusing on three fundamental questions: (a) How is the sign and peak magnitude of the non-linearity parameter fNL rela...