Old elliptical galaxies at z ~= 1.5 and the Kormendy relation, Waddington, I.,Windhorst, R. A.,Cohen, S. H., Monthly Notices of the Royal Astronomical Society, 336, 2002-11-01 00:00:00, 2002MNRAS.336.1342W||Spitzer Observations of the Prototypical Extremely Red Objects HR 10 and LBDS 53W091: Separating Dusty Starbursts from Old Elliptical Galaxies, Stern, Daniel,Chary, Ranga-Ram,Eisenhardt, Peter R. M., The Astronomical Journal, 132, 2006-09-01 00:00:00, 2006AJ....132.1405S
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, 1998, Structures And Colours Of The Oldest Galaxies At Redshift 1.5, 1.0, European Space Agency, https://doi.org/10.5270/esa-81hf0i2