λ = 655.979687568938 +/- 0.01272052145262506

σ = -0.652851498134768 +/- 0.012722611517682288

r^2 = 0.9786219237664109

λ = 485.882791966968 +/- 0.029204680591407982

σ = -0.7635020854463952 +/- 0.029202794616855935

r^2 = 0.9247448040277314

λ = 433.9736952075801 +/- 0.011037925384892835

σ = -0.7368302482965869 +/- 0.01103768603075029

r^2 = 0.9873504243150508

λ = 776.7568116594133 +/- 0.01753297161446922

σ = 0.6314343655479183 +/- 0.017532201432653723

r^2 = 0.9550011803138941

λ = 844.0313236740905 +/- 0.018459843041616693

σ = 0.598594729742287 +/- 0.01846239604520056

r^2 = 0.943976260363899