Differences between Gaia DR2 and Gaia EDR3 photometry: demonstration, consequences, and applications

J. Maíz Apellániz, M. Weiler

We produce a new photometric calibration for the combined six-filter system formed by $Gaia$ DR2 + EDR3 $G$+$G_{\mathrm{BP}}$+$G_{\mathrm{RP}}$ using an improved STIS/HST spectrophotometric…