Appendix A: WFC3 Filter Throughputs A.1 Introduction A.2 Throughputs and S/N Ratio Data A.2.1 Sensitivity Units and Conversions A.2.2 Signal-to-Noise Ratio UVIS/F200LP UVIS/F218W UVIS/F225W UVIS/F275W UVIS/F280N UVIS/F300X UVIS/F336W UVIS/F343N UVIS/F350LP UVIS/F373N UVIS/F390M UVIS/F390W UVIS/F395N UVIS/F410M UVIS/F438W UVIS/F467M UVIS/F469N UVIS/F475W UVIS/F475X UVIS/F487N UVIS/F502N UVIS/F547M UVIS/F555W UVIS/F600LP UVIS/F606W UVIS/F621M UVIS/F625W UVIS/F631N UVIS/F645N UVIS/F656N UVIS/F657N UVIS/F658N UVIS/F665N UVIS/F673N UVIS/F680N UVIS/F689M UVIS/F763M UVIS/F775W UVIS/F814W UVIS/F845M UVIS/F850LP UVIS/F953N UVIS/FQ232N UVIS/FQ243N UVIS/FQ378N UVIS/FQ387N UVIS/FQ422M UVIS/FQ436N UVIS/FQ437N UVIS/FQ492N UVIS/FQ508N UVIS/FQ575N UVIS/FQ619N UVIS/FQ634N UVIS/FQ672N UVIS/FQ674N UVIS/FQ727N UVIS/FQ750N UVIS/FQ889N UVIS/FQ906N UVIS/FQ924N UVIS/FQ937N IR/F098M IR/F105W IR/F110W IR/F125W IR/F126N IR/F127M IR/F128N IR/F130N IR/F132N IR/F139M IR/F140W IR/F153M IR/F160W IR/F164N IR /F167N