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They Might Be Giants: An Efficient Color-Based Selection of Red Giant Stars
Charlie Conroy, Ana Bonaca, Rohan P. Naidu +4
We present a color-based method for identifying red giants based on Pan-STARRS grz and WISE W1 and W2 photometry. We utilize a subsample of bright stars with precise parallaxes fro…
Science Impacts of the SPHEREx All-Sky Optical to Near-Infrared Spectral Survey II: Report of a Community Workshop on the Scientific Synergies Between the SPHEREx Survey and Other Astronomy Observatories
Olivier Doré, Michael W. Werner, Matthew L. N. Ashby +60
SPHEREx is a proposed NASA MIDEX mission selected for Phase A study. SPHEREx would carry out the first all-sky spectral survey in the near infrared. At the end of its two-year miss…
Overview of the DESI Legacy Imaging Surveys
Arjun Dey, David J. Schlegel, Dustin Lang +157
The DESI Legacy Imaging Surveys are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing-Arizona Sky Survey, and the Mayall z-band Legacy Surve…
A Color-locus Method for Mapping Using Ensembles of Stars
Albert Lee, Gregory M. Green, Edward F. Schlafly +11
We present a simple but effective technique for measuring angular variation in across the sky. We divide stars from the Pan-STARRS1 catalog into Healpix pixels and determine…
Mapping Distances Across the Perseus Molecular Cloud Using CO Observations, Stellar Photometry, and Gaia DR2 Parallax Measurements
Catherine Zucker, Edward F. Schlafly, Joshua S. Speagle +4
We present a new technique to determine distances to major star-forming regions across the Perseus Molecular Cloud, using a combination of stellar photometry, astrometric data, and…
Galactic Reddening in 3D from Stellar Photometry - An Improved Map
Gregory M. Green, Edward F. Schlafly, Douglas Finkbeiner +13
We present a new 3D map of interstellar dust reddening, covering three quarters of the sky (declinations greater than -30 degrees) out to a distance of several kiloparsecs. The map…