// cone peak centroid (2-cone-Gaus fit)
// x y dy y+ y-
37.500000	0.719621	0.116325	1.337094	6.269609
52.500000	1.308178	0.034706	1.361893	1.240424
67.500000	1.268221	0.036536	1.144538	1.353646
82.500000	1.123671	0.042728	0.596175	1.348720