last update: November 28, 2011 FORS2-CCID20-14-5-3 filter extinction colour term zeropoint coefficient value error value error value error since 2011-11-28 (colour terms and zeropoints re-determined) b_HIGH 0.216 0.001 0.110 0.004 28.050 0.018 v_HIGH 0.118 0.001 0.058 0.003 28.254 0.009 R_SPECIAL 0.081 0.001 -0.010 0.007 28.290 0.023 I_BESS 0.059 0.001 -0.018 0.011 27.632 0.029 2010-11-25 (re-coating M1) - 2011-11-27 b_HIGH 0.216 0.001 0.120 0.001 28.075 0.001 v_HIGH 0.118 0.001 0.083 0.001 28.291 0.001 R_SPECIAL 0.081 0.001 -0.006 0.001 28.357 0.001 I_BESS 0.059 0.001 -0.002 0.001 27.712 0.002 2009-10 - 2010-11-14 b_HIGH 0.216 0.001 0.120 0.001 28.048 0.001 v_HIGH 0.120 0.001 0.083 0.001 28.257 0.001 R_SPECIAL 0.081 0.001 -0.006 0.001 28.293 0.001 I_BESS 0.060 0.001 -0.002 0.001 27.662 0.002 2009-04 - 2009-09 b_HIGH 0.236 0.001 0.106 0.001 28.079 0.001 v_HIGH 0.148 0.001 0.078 0.001 28.274 0.001 R_SPECIAL 0.074 0.001 0.033 0.001 28.254 0.001 I_BESS 0.089 0.001 -0.012 0.001 27.697 0.002 until 2009-04 U_SPECIAL 0.531 0.025 +0.069 0.009 24.365 0.045 B_BESS 0.236 0.015 -0.026 0.009 27.740 0.032 V_BESS 0.117 0.012 -0.002 0.006 28.186 0.025 R_SPECIAL 0.067 0.020 -0.039 0.016 28.404 0.037 I_BESS 0.049 0.016 -0.044 0.007 27.773 0.034 ---------------------------------------------------------- FORS2-CCID20-14-5-6 filter extinction colour term zeropoint coefficient value error value error value error since 2011-11-28 (colour terms and zeropoints re-determined) b_HIGH 0.224 0.001 0.110 0.004 28.075 0.018 v_HIGH 0.128 0.001 0.058 0.003 28.244 0.008 R_SPECIAL 0.085 0.001 -0.010 0.007 28.290 0.023 I_BESS 0.052 0.001 -0.018 0.011 27.631 0.028 2010-11-25 (re-coating M1) - 2011-11-27 b_HIGH 0.224 0.001 0.120 0.001 28.121 0.001 v_HIGH 0.128 0.001 0.083 0.001 28.323 0.001 R_SPECIAL 0.085 0.001 -0.006 0.001 28.375 0.001 I_BESS 0.052 0.001 -0.002 0.001 27.728 0.002 2009-10 - 2010-11-14 b_HIGH 0.225 0.001 0.110 0.001 28.082 0.001 v_HIGH 0.127 0.001 0.068 0.001 28.252 0.001 R_SPECIAL 0.085 0.001 -0.023 0.001 28.304 0.001 I_BESS 0.052 0.001 0.005 0.001 27.647 0.001 2009-04 - 2009-09 b_HIGH 0.250 0.001 0.100 0.001 28.121 0.001 v_HIGH 0.152 0.001 0.062 0.001 28.281 0.001 R_SPECIAL 0.114 0.001 0.025 0.001 28.300 0.001 I_BESS 0.104 0.001 -0.003 0.001 27.702 0.002 until 2009-04 U_SPECIAL 0.526 0.042 +0.067 0.014 24.476 0.066 B_BESS 0.272 0.023 -0.062 0.011 27.837 0.040 V_BESS 0.123 0.014 -0.008 0.006 28.207 0.028 R_SPECIAL 0.065 0.022 -0.036 0.013 28.400 0.037 I_BESS 0.023 0.013 -0.080 0.008 27.777 0.039