Version 1 of the Hubble Source Catalog
Bradley C. Whitmore (STScI), Sahar S. Allam (STScI, Fermi National, Accelerator Laboratory), Tamas Budavari (JHU), Stefano Casertano (STScI),, Ronald A. Downes (STScI), Thomas Donaldson (STScI), S. Michael Fall (STScI),, Stephen H. Lubow (STScI), Lee Quick (STScI)

TL;DR
The paper introduces Version 1 of the Hubble Source Catalog, combining extensive Hubble data into a comprehensive, accurate, and accessible master catalog for improved astronomical research.
Contribution
It presents the design, data processing, and initial release of the first version of the Hubble Source Catalog, integrating data from multiple instruments and providing detailed accuracy assessments.
Findings
Catalog contains ~80 million detections of 30 million objects.
Photometric accuracy is better than 0.10 mag overall.
Astrometric residuals are typically within 10 mas.
Abstract
The Hubble Source Catalog is designed to help optimize science from the Hubble Space Telescope by combining the tens of thousands of visit-based source lists in the Hubble Legacy Archive into a single master catalog. Version 1 of the Hubble Source Catalog includes WFPC2, ACS/WFC, WFC3/UVIS, and WFC3/IR photometric data generated using SExtractor software to produce the individual source lists. The catalog includes roughly 80 million detections of 30 million objects involving 112 different detector/filter combinations, and about 160 thousand HST exposures. Source lists from Data Release 8 of the Hubble Legacy Archive are matched using an algorithm developed by Budavari & Lubow (2012). The mean photometric accuracy for the catalog as a whole is better than 0.10 mag, with relative accuracy as good as 0.02 mag in certain circumstances (e.g., bright isolated stars). The relative astrometric…
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Taxonomy
TopicsAstronomical Observations and Instrumentation · Particle Detector Development and Performance · Astronomy and Astrophysical Research
