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The ADS All-Sky Survey
(Astronomical Society of the Pacific, 2012)
The ADS All-Sky Survey (ADSASS) is an ongoing effort aimed at turning the NASA Astrophysics Data System (ADS), widely known for its unrivaled value as a literature resource for astronomers, into a data resource. The ADS ...
WorldWide Telescope in Research and Education
(Astronomical Society of the Pacific, 2012)
The WorldWide Telescope computer program, released to researchers and the public as a free resource in 2008 by Microsoft Research, has changed the way the ever-growing Universe of online astronomical data is viewed and ...
The High-Density Ionized Gas in the Central Parsec of the Galaxy
(American Astronomical Society, 2010)
We report a study of the \(H30\alpha\) line emission at 1.3 mm from the region around Sgr A* made with the Submillimeter Array at a resolution of 2'' over a field of 60'' (2 pc) and a velocity range of \(-360 to +345 km ...
Modeling the Evolution of Galaxy Properties across Cosmic Time with Numerical Simulations
(2014-06-06)
We present a series of numerical galaxy formation studies which apply new numerical methods to produce increasingly realistic galaxy formation models. We first investigate the metallicity evolution of a large set of ...
Scientific Verification Of Faraday Rotation Modulators: Detection Of Diffuse Polarized Galactic Emission
(American Astronomical Society, 2013)
The design and performance of a wide bandwidth linear polarization modulator based on the Faraday effect is described. Faraday Rotation Modulators (FRMs) are solid-state polarization switches that are capable of modulation ...
The Nuclear Spectroscopic Telescope Array (NuSTAR) High-Energy X-Ray Mission
(IOP Publishing, 2013)
The Nuclear Spectroscopic Telescope Array (NuSTAR) mission, launched on 2012 June 13, is the first focusing high-energy X-ray telescope in orbit. NuSTAR operates in the band from 3 to 79 keV, extending the sensitivity of ...
Toward a New Geometric Distance To the Active Galaxy NGC 4258. III. Final Results and The Hubble Constant
(American Astronomical Society, 2013)
We report a new geometric maser distance estimate to the active galaxy NGC 4258. The data for the new model are maser line-of-sight (LOS) velocities and sky positions from 18 epochs of very long baseline interferometry ...
Development and Application of Tools to Characterize Transiting Astrophysical Systems
(2014-06-06)
Since the discovery of the first exoplanets (planets outside our Solar System) more than 20 years ago, there has been an increasing need for photometric and spectroscopic models to characterize these systems. While imaging ...
Protoplanetary Disks in Multiple Star Systems
(2013-10-18)
Most stars are born in multiple systems, so the presence of a stellar companion may commonly influence planet formation. Theory indicates that companions may inhibit planet formation in two ways. First, dynamical ...
Dust Spectral Energy Distributions in the Era of Herschel and Planck: A Hierarchical Bayesian-Fitting Technique
(American Astronomical Society, 2012)
We present a hierarchical Bayesian method for fitting infrared spectral energy distributions (SEDs) of dust emission to observed fluxes. Under the standard assumption of optically thin single temperature (T) sources, the ...