!# $R_F$ (= $r_F$?)from Couch & Newell (1980), PASP 92, 746 [photographic].
"RF"
"energy"       
"Vega"    0.
 6200.   0.000
 6300.   0.150
 6400.   0.450
 6500.   0.650
 6600.   0.725
 6700.   0.850
 6800.   1.000
 6900.   0.725
 7000.   0.275
 7100.   0.075
 7200.   0.025
 7300.   0.000
