Offsets of ALFA beams according to a (slightly) modified version of Phil's ALFABEAMPOS routine, verified by drift scans. RG, MPH & GLH 23Aug2004 South of zenith at transit Az= 0.0, ZA=10. RotAng = 0 Azoff ZAoff Az off ZAoff Raoff Decoff (") (") deg deg sec arcmin 0 0.0 0.0 0.0 0.0 0.0 0.0 1 -164.5 332.6 +0.266 -0.092 -11.00 5.54 2 -329.1 0.0 +0.526 0.0 -22.20 0.06 3 -164.5 -332.6 +0.261 +0.092 -11.20 -5.50 4 164.5 -332.6 -0.261 +0.092 10.99 -5.53 5 329.1 0.0 -0.526 0.0 22.20 0.00 6 164.5 332.6 -0.266 -0.092 11.21 5.51 North of zenith at transit Az=180.0, ZA=10. RotAng = 0 Azoff ZAoff Az off ZAoff Raoff Decoff (") (") deg deg sec arcmin 0 0.0 0.0 0.0 0.0 0.0 0.0 1 -164.5 332.6 +0.266 -0.092 12.30 -5.54 2 -329.1 0.0 +0.526 0.0 24.90 -0.06 3 -164.5 -332.6 +0.261 +0.092 12.60 5.50 4 164.5 -332.6 -0.261 +0.092 -12.32 5.53 5 329.1 0.0 -0.526 0.0 -24.90 0.00 6 164.5 332.6 -0.266 -0.092 -12.57 -5.51 South of zenith at transit Az= 0.0, ZA=10. RotAng = +19.0 Azoff ZAoff Az off ZAoff Raoff Decoff (") (") deg deg sec arcmin 0 0.0 0.0 0.0 0.0 0.0 0.0 1 -62.8 376.9 +0.102 -0.105 -4.12 6.26 2 -311.1 125.0 +0.500 -0.035 -20.95 2.12 3 -248.3 -251.9 +0.395 +0.070 -16.83 -4.15 4 62.8 -376.9 -0.099 +0.105 4.12 -6.26 5 311.1 -125.0 -0.496 0.035 20.95 -2.08 6 248.3 251.9 -0.400 -0.070 16.84 4.17 Az=180.0, ZA=10. RotAng = +19.0 Azoff ZAoff Az off ZAoff Raoff Decoff (") (") deg deg sec arcmin 0 0.0 0.0 0.0 0.0 0.0 0.0 1 -62.8 376.9 +0.102 -0.105 4.59 -6.26 2 -311.1 125.0 +0.500 -0.035 23.48 -2.13 3 -248.3 -251.9 +0.395 +0.070 18.91 4.14 4 62.8 -376.9 -0.099 +0.105 -4.60 6.26 5 311.1 -125.0 -0.496 0.035 -23.50 2.08 6 248.3 251.9 -0.400 -0.070 -18.88 -4.17