text: wav	cont	flux	vhel
  4677.449999999999	48917.6875	49625.36	-526.5600573108736
  4678.299999999999	48917.6875	49113.852	-472.17657630062337
  4679.149999999999	48917.6875	49477.528	-417.79309529043144
  4679.999999999999	48917.6875	50354.128	-363.4096142801813
  4680.849999999999	48917.6875	50361.356	-309.0261332699311
  4681.699999999999	48917.6875	50347.984	-254.6426522597391
  4682.549999999999	48917.6875	50646.804	-200.25917124948893
  4683.4	48917.6875	49814.776	-145.87569023923874
  4684.249999999999	48917.6875	49602.532	-91.49220922904676
  4685.099999999999	48917.6875	49344.604	-37.10872821879659
  4685.949999999999	48917.6875	48741.816	17.27475279139539
  4686.799999999999	48917.6875	49118.688	71.65823380164557
  4687.649999999999	48917.6875	48296.536	126.04171481183754
  4688.499999999999	48917.6875	48938.028	180.42519582208772
  4689.3499999999985	48917.6875	49307.02	234.8086768322797
  4690.199999999999	48917.6875	49329.62	289.19215784252987
  4691.049999999999	48917.6875	49176.132	343.57563885278006
  4691.899999999999	48917.6875	48919.384	397.95911986297205
  4692.749999999999	48917.6875	49175.492	452.3426008732222
  4693.599999999999	48917.6875	49552.368	506.7260818834724
  4694.449999999999	48917.6875	49334.644	561.1095628936644
  