Journal article published in 2019 by A.~M Price-Whelan, D.~W Hogg, H.-W. Rix, L.~N De, S.~R Majewski, D.~L Nidever, N. Troup, J.~G Fernandez-Trincado, D.~A Garcia-Hernandez , P. Longa-Pena, C. Nitschelm, J. Sobeck, O. Zamora