Trending Research
The impact of spectroscopic incompleteness in direct calibration of redshift distributions for weak lensing surveys
We do so by simulating the process of assembling a spectroscopic sample (including observer-assigned confidence flags) and highlight the impacts of spectroscopic target selection and redshift failures.
ASTROPHYSICS OF GALAXIES COSMOLOGY AND NONGALACTIC ASTROPHYSICS
pyro: a framework for hydrodynamics explorations and prototyping
pyro is a Python-based simulation framework designed for ease of implementation and exploration of hydrodynamics methods.
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS COMPUTATIONAL PHYSICS
Radio frequency interference mitigation using deep convolutional neural networks
• jakeret/unet
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We employ a special type of Convolutional Neural Network, the U-Net, that enables the classification of clean signal and RFI signatures in 2D time-ordered data acquired from a radio telescope.
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS
A New Electron Density Model for Estimation of Pulsar and FRB Distances
We present a new model for the distribution of free electrons in the Galaxy, the Magellanic Clouds and the intergalactic medium (IGM) that can be used to estimate distances to real or simulated pulsars and fast radio bursts (FRBs) based on their dispersion measure (DM).
ASTROPHYSICS OF GALAXIES
Deriving Physical Properties from Broadband Photometry with Prospector: Description of the Model and a Demonstration of its Accuracy Using 129 Galaxies in the Local Universe
Our model, Prospector-$\alpha$, includes dust attenuation and re-radiation, a flexible attenuation curve, nebular emission, stellar metallicity, and a 6-component nonparametric star formation history.
ASTROPHYSICS OF GALAXIES
Forward Modeling of Large-Scale Structure: An open-source approach with Halotools
We present the first stable release of Halotools (v0. 2), a community-driven Python package designed to build and test models of the galaxy-halo connection.
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS COSMOLOGY AND NONGALACTIC ASTROPHYSICS ASTROPHYSICS OF GALAXIES
emcee: The MCMC Hammer
The algorithm behind emcee has several advantages over traditional MCMC sampling methods and it has excellent performance as measured by the autocorrelation time (or function calls per independent sample).
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS COMPUTATIONAL PHYSICS COMPUTATION
JANUS: A bit-wise reversible integrator for N-body dynamics
We discuss the implementation ofJANUS and present tests of its accuracy and speed by performing and analyzing long-term integrations of the Solar System.
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS COSMOLOGY AND NONGALACTIC ASTROPHYSICS EARTH AND PLANETARY ASTROPHYSICS
Astrometry.net: Blind astrometric calibration of arbitrary astronomical images
We have built a reliable and robust system that takes as input an astronomical image, and returns as output the pointing, scale, and orientation of that image (the astrometric calibration or WCS information).
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS
The Astropy Project: Building an inclusive, open-science project and status of the v2.0 core package
The Astropy project supports and fosters the development of open-source and openly-developed Python packages that provide commonly-needed functionality to the astronomical community.
INSTRUMENTATION AND METHODS FOR ASTROPHYSICS