// _UD eta>0 // x y dy 8.310000 2.957729 0.001180 15.700000 2.118228 0.002018 28.799999 1.768401 0.001692 49.299999 1.673020 0.001590 78.300003 1.611970 0.001553 117.099998 1.570686 0.001521 167.600006 1.521309 0.001402 234.199997 1.491067 0.001370 298.600006 1.468831 0.001872 350.600006 1.445720 0.001866