Phase angle Brightness Error (degree) (arbitrary units) (arbit. units) 8.0 1.89 0.02 10.0 3.79 0.03 13.0 2.96 0.03 15.0 5.74 0.03 18.0 8.14 0.03 20.0 8.20 0.03 23.0 4.03 0.03 25.0 3.57 0.03 30.0 1.33 0.02 35.0 1.24 0.02 50.0 0.39 0.01 60.0 0.40 0.02 70.0 0.40 0.02 80.0 0.64 0.02 85.0 1.01 0.02 90.0 0.32 0.01 100.0 0.67 0.02 105.0 1.20 0.01 110.0 0.86 0.01 115.0 3.27 0.02 120.0 3.22 0.02 125.0 1.97 0.02 130.0 4.01 0.02 135.0 4.83 0.02 140.0 5.64 0.02 150.0 10.61 0.05 155.0 7.69 0.04 165.0 9.80 0.18