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Identification of tidal features in deep optical galaxy images with Convolutional Neural Networks
H. Domínguez Sánchez, G. Martin, I. Damjanov +14
Interactions between galaxies leave distinguishable imprints in the form of tidal features which hold important clues about their mass assembly. Unfortunately, these structures are…
FitsMap: A Simple, Lightweight Tool For Displaying Interactive Astronomical Image and Catalog Data
Ryan Hausen, Brant Robertson
The visual inspection of image and catalog data continues to be a valuable aspect of astronomical data analysis. As the scale of astronomical image and catalog data continues to gr…
Partial-Attribution Instance Segmentation for Astronomical Source Detection and Deblending
Ryan Hausen, Brant Robertson
Astronomical source deblending is the process of separating the contribution of individual stars or galaxies (sources) to an image comprised of multiple, possibly overlapping sourc…
Astro2020 APC White Paper: Theoretical Astrophysics 2020-2030
Juna A. Kollmeier, Lauren Anderson, Andrew Benson +20
The past two decades have seen a tremendous investment in observational facilities that promise to reveal new and unprecedented discoveries about the universe. In comparison, the i…
Enhancing LSST Science with Euclid Synergy
P. Capak, J-C. Cuillandre, F. Bernardeau +23
This white paper is the result of the Tri-Agency Working Group (TAG) appointed to develop synergies between missions and is intended to clarify what LSST observations are needed in…
Mini-survey of the northern sky to Dec <+30
P. Capak, D. Sconlic, J-C. Cuillandre +25
We propose an extension of the LSST survey to cover the northern sky to DEC < +30 (accessible at airmass <1.8). This survey will increase the LSST sky coverage by ~9,600 square deg…
The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s
Rachel Akeson, Lee Armus, Etienne Bachelet +103
The Wide Field Infrared Survey Telescope (WFIRST) is a 2.4m space telescope with a 0.281 deg^2 field of view for near-IR imaging and slitless spectroscopy and a coronagraph designe…
LSST Observing Strategy White Paper: LSST Observations of WFIRST Deep Fields
R. J. Foley, A. M. Koekemoer, D. N. Spergel +38
The Wide-Field Infrared Survey Telescope (WFIRST) is expected to launch in the mid-2020s. With its wide-field near-infrared (NIR) camera, it will survey the sky to unprecedented de…
Scientific Synergy Between LSST and Euclid
Jason Rhodes, Robert C. Nichol, Éric Aubourg +34
Euclid and the Large Synoptic Survey Telescope (LSST) are poised to dramatically change the astronomy landscape early in the next decade. The combination of high cadence, deep, wid…
Cholla : A New Massively-Parallel Hydrodynamics Code For Astrophysical Simulation
Evan E. Schneider, Brant E. Robertson
We present Cholla (Computational Hydrodynamics On ParaLLel Architectures), a new three-dimensional hydrodynamics code that harnesses the power of graphics processing units (GPUs) t…
Estimating Luminosity Function Constraints from High-Redshift Galaxy Surveys
Brant E. Robertson
The installation of the Wide Field Camera 3 (WFC3) on the Hubble Space Telescope (HST) will revolutionize the study of high-redshift galaxy populations. Initial observations of the…
LSST Science Book, Version 2.0
LSST Science Collaboration, Paul A. Abell, Julius Allison +245
A survey that can cover the sky in optical bands over wide fields to faint magnitudes with a fast cadence will enable many of the exciting science opportunities of the next decade.…