... studies exploiting different photometric systems and, thus require colour ... et al. 2006) for converting UKIDSS magnitudes from the Vega into the AB system ... a software package to compute K -corrections for datasets in any photometric system ...
... As long as GALEX and SDSS contain photometric measurements in the AB system, but UKIDSS magnitudes are in the Vega system, we applied zero-p oint transformations available in the literature (Hewett et al. 2006) to the NIR magnitudes. ...