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Milky Way Tomography with the SkyMapper Southern Survey. II. Photometric Recalibration of SMSS DR2

Huang, Y.; Yuan, Hai-Bo; Li, Chengyuan; Wolf, Christian; Onken, Christopher; Beers, Timothy C; Casagrande, Luca; Mackey, Dougal; Da Costa, Gary; Bland-Hawthorn, Joss; Stello, Dennis; Nordlander, Thomas; Ting, Yuan-Sen; Buder, Sven; Sharma, Sanjib; Liu, Xiaowei


We apply the spectroscopy-based stellar-color regression (SCR) method to perform an accurate photometric recalibration of the second data release from the SkyMapper Southern Survey (SMSS DR2). From comparison with a sample of over 200,000 dwarf stars with stellar atmospheric parameters taken from GALAH+ DR3 and with accurate, homogeneous photometry from Gaia DR2, zero-point offsets are detected in the original photometric catalog of SMSS DR2, in particular for the gravity- and...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.3847/1538-4357/abca37
Access Rights: Open Access


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