void fitFe55() {
  gROOT->SetStyle("Plain");

  TCanvas *c1=new TCanvas("c1","Canvas",800,600);
  gStyle->SetOptStat(0);

  TFile::Open("Fe55Fit_S44_120mV.root");

  Signal00030->SetTitle(";Oscilloscope sample time (ns);Output signal (V)");
  Signal00030->GetXaxis()->SetRangeUser(600,1800);
  Signal00030->GetYaxis()->SetTitleOffset(1.3);
  Signal00030->Draw();

  Fit00030->SetLineColor(2);
  Fit00030->SetLineWidth(2);
  Fit00030->GetXaxis()->SetRangeUser(700,1399);
  Fit00030->Draw("same");

  //Trim0Quad0Sigmas->GetXaxis()->SetRangeUser(-80,119);

  c1->Update();
  c1->Print("../fitFe55.png");
}