Notes. The quoted uncertainties are taken from literature and are interpreted as 1σ-confidence intervals. Measurements without given uncertainty are assigned the largest of the listed uncertainties of its type, i.e., 0.045 mag for magnitudes and 0.014 mag for colors. A systematic error of 0.012 mag is later added in quadrature to all observations to achieve a reduced χ² of about 1 at the best fit. For each system, the first reference is with respect to the measurements while the following ones are the sources for synthetic photometry, i.e., for the system response functions and the reference magnitudes of Vega, for which the flux-calibrated spectrum alpha_lyr_stis_008.fits from the CALSPEC database (http://www.stsci.edu/hst/observatory/crds/calspec.html) is used.

Reference. (1) Mermilliod (1991); (2) Bessell & Murphy (2012); (3) Hauck & Mermilliod (1998); (4) Bessell (2011); (5) Castelli & Kurucz (2006); (6) Mermilliod et al. (1997); (7) Rufener & Nicolet (1988); (8) van Leeuwen (2007); (9) Høg et al. (2000); (10) Skrutskie et al. (2006); (11) Cohen et al. (2003); (12) Cutri & et al. (2012); (13) Wright et al. (2010).