Final

{
TFile::Open("/home/emaan/Documents/Scripts/Veritas/41584_reduced.root");
.ls
gamma->Print();
double my_ra, my_dec, my_energy, my_time;
gamma->SetBranchAddress("ra_j2000_rad",&my_ra);
gamma->SetBranchAddress("dec_j2000_rad",&my_dec);
gamma->SetBranchAddress("energy_gev",&my_energy);
gamma->SetBranchAddress("mjd",&my_time);
TTree *n = new TTree();
double diff_t;
TBranch *l = n->Branch("diff_t", &diff_t, "diff_t/D");
int count;
for(count=0,count<1698,++count){
double x = my_time;
gamma->GetEntry(count+1);
double y = my_time;
double d = y-x;
l->Fill();
}
n->Draw(“diff_t”);
}