# Photometric band descriptions and zero points # # filter lambda FWHM f_lambda_0 = flux at 0 mag f_nu_0 = flux at 0 mag number of photons at 0 mag # # Each block of three columns is f_0 log(f_0) 2.5*log(f_0) # # um um erg/s/cm^2/A W/m^2/um erg/s/cm^2/Hz W/m^2/Hz 1/s/cm^2/A 1/s/cm^2/Hz # 1/s/m^2/um 1/s/m^2/Hz # Bessel (1990, 2005), Bessel et al. (1998) & Cousins (1976) U 0.366 0.065 4.175e-9 -8.38 -20.95 4.17e-08 -7.38 -18.45 1.87e-20 -19.73 -49.32 1.87e-23 -22.73 -56.82 7.69e+02 7.69e+10 3.44e-09 3.44e-05 B 0.436 0.089 6.320e-9 -8.20 -20.50 6.32e-08 -7.20 -18.00 4.04e-20 -19.39 -48.48 4.04e-23 -22.39 -55.98 1.39e+03 1.39e+11 8.92e-09 8.92e-05 V 0.545 0.084 3.631e-9 -8.44 -21.10 3.63e-08 -7.44 -18.60 3.60e-20 -19.44 -48.61 3.60e-23 -22.44 -56.11 9.96e+02 9.96e+10 9.87e-09 9.87e-05 RC 0.641 0.160 2.177e-9 -8.66 -21.66 2.18e-08 -7.66 -19.16 2.98e-20 -19.53 -48.81 2.98e-23 -22.53 -56.31 7.02e+02 7.02e+10 9.63e-09 9.63e-05 IC 0.798 0.150 1.126e-9 -8.95 -22.37 1.13e-08 -7.95 -19.87 2.39e-20 -19.62 -49.05 2.39e-23 -22.62 -56.55 4.52e+02 4.52e+10 9.61e-09 9.61e-05 J 1.22 0.213 3.147e-10 -9.50 -23.76 3.15e-09 -8.50 -21.26 1.56e-20 -19.81 -49.52 1.56e-23 -22.81 -57.02 1.93e+02 1.93e+10 9.60e-09 9.60e-05 H 1.63 0.307 1.138e-10 -9.94 -24.86 1.14e-09 -8.94 -22.36 1.01e-20 -20.00 -49.99 1.01e-23 -23.00 -57.49 9.34e+01 9.34e+09 8.28e-09 8.28e-05 Ks 2.12 0.32 4.479e-11 -10.35 -25.87 4.48e-10 -9.35 -23.37 6.71e-21 -20.17 -50.43 6.71e-24 -23.17 -57.93 4.78e+01 4.78e+09 7.17e-09 7.17e-05 K 2.19 0.39 3.961e-11 -10.40 -26.01 3.96e-10 -9.40 -23.51 6.34e-21 -20.20 -50.50 6.34e-24 -23.20 -58.00 4.37e+01 4.37e+09 6.99e-09 6.99e-05 L 3.45 0.472 7.080e-12 -11.15 -27.87 7.08e-11 -10.15 -25.37 2.81e-21 -20.55 -51.38 2.81e-24 -23.55 -58.88 1.23e+01 1.23e+09 4.88e-09 4.88e-05 L' 3.80 0.65 4.890e-12 -11.31 -28.28 4.89e-11 -10.31 -25.78 2.36e-21 -20.63 -51.57 2.36e-24 -23.63 -59.07 9.35e+00 9.35e+08 4.51e-09 4.51e-05 # Allen's AQ, pages 386, 387 R 0.7 0.22 1.75e-9 -8.76 -21.89 1.75e-08 -7.76 -19.39 2.86e-20 -19.54 -48.86 2.86e-23 -22.54 -56.36 6.17e+02 6.17e+10 1.01e-08 1.01e-04 I 0.88 0.24 8.40e-10 -9.08 -22.69 8.40e-09 -8.08 -20.19 2.17e-20 -19.66 -49.16 2.17e-23 -22.66 -56.66 3.72e+02 3.72e+10 9.61e-09 9.61e-05 # Cohen et al. (1992) M 4.769 0.45 2.107e-12 -11.68 -29.19 2.11e-11 -10.68 -26.69 1.60e-21 -20.80 -51.99 1.60e-24 -23.80 -59.49 5.06e+00 5.06e+08 3.84e-09 3.84e-05 N 10.472 5.19 9.631e-14 -13.02 -32.54 9.63e-13 -12.02 -30.04 3.52e-22 -21.45 -53.63 3.52e-25 -24.45 -61.13 5.08e-01 5.08e+07 1.86e-09 1.86e-05 Q 20.130 7.8 7.182e-15 -14.14 -35.36 7.18e-14 -13.14 -32.86 9.71e-23 -22.01 -55.03 9.71e-26 -25.01 -62.53 7.28e-02 7.28e+06 9.84e-10 9.84e-06 # All of the above as AB mags, Oke (1974) U_AB 0.366 0.066 8.13e-09 -8.09 -20.23 8.13e-08 -7.09 -17.73 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.50e+03 1.50e+11 6.69e-09 6.69e-05 B_AB 0.438 0.094 5.67e-09 -8.25 -20.62 5.67e-08 -7.25 -18.12 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.25e+03 1.25e+11 8.01e-09 8.01e-05 V_AB 0.545 0.085 3.66e-09 -8.44 -21.09 3.66e-08 -7.44 -18.59 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.01e+03 1.01e+11 9.96e-09 9.96e-05 RC_AB 0.641 0.160 2.65e-09 -8.58 -21.44 2.65e-08 -7.58 -18.94 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 8.55e+02 8.55e+10 1.17e-08 1.17e-04 IC_AB 0.798 0.140 1.71e-09 -8.77 -21.92 1.71e-08 -7.77 -19.42 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 6.87e+02 6.87e+10 1.46e-08 1.46e-04 J_AB 1.22 0.213 7.31e-10 -9.14 -22.84 7.31e-09 -8.14 -20.34 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 4.49e+02 4.49e+10 2.23e-08 2.23e-04 H_AB 1.63 0.307 4.10e-10 -9.39 -23.47 4.10e-09 -8.39 -20.97 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 3.36e+02 3.36e+10 2.98e-08 2.98e-04 Ks_AB 2.12 0.32 2.42e-10 -9.62 -24.04 2.42e-09 -8.62 -21.54 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 2.58e+02 2.58e+10 3.87e-08 3.87e-04 K_AB 2.19 0.39 2.27e-10 -9.64 -24.11 2.27e-09 -8.64 -21.61 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 2.50e+02 2.50e+10 4.00e-08 4.00e-04 L_AB 3.45 0.472 9.14e-11 -10.04 -25.10 9.14e-10 -9.04 -22.60 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.59e+02 1.59e+10 6.31e-08 6.31e-04 L'_AB 3.80 0.65 7.54e-11 -10.12 -25.31 7.54e-10 -9.12 -22.81 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.44e+02 1.44e+10 6.95e-08 6.95e-04 R_AB 0.7 0.22 2.22e-09 -8.65 -21.63 2.22e-08 -7.65 -19.13 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 7.83e+02 7.83e+10 1.28e-08 1.28e-04 I_AB 0.88 0.24 1.41e-09 -8.85 -22.13 1.41e-08 -7.85 -19.63 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 6.23e+02 6.23e+10 1.61e-08 1.61e-04 M_AB 4.769 0.45 4.79e-11 -10.32 -25.80 4.79e-10 -9.32 -23.30 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.15e+02 1.15e+10 8.72e-08 8.72e-04 N_AB 10.472 5.19 9.93e-12 -11.00 -27.51 9.93e-11 -10.00 -25.01 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 5.23e+01 5.23e+09 1.91e-07 1.91e-03 Q_AB 20.130 7.8 2.69e-12 -11.57 -28.93 2.69e-11 -10.57 -26.43 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 2.72e+01 2.72e+09 3.68e-07 3.68e-03 # SDSS (essentially AB mags, except for u and z bands) u 0.355 0.064 8.96e-09 -8.05 -20.12 8.96e-08 -7.05 -17.62 3.77e-20 -19.42 -48.56 3.77e-23 -22.42 -56.06 1.60e+03 1.60e+11 6.73e-09 6.73e-05 g 0.467 0.135 4.99e-09 -8.30 -20.75 4.99e-08 -7.30 -18.25 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 1.17e+03 1.17e+11 8.54e-09 8.54e-05 r 0.617 0.137 2.86e-09 -8.54 -21.36 2.86e-08 -7.54 -18.86 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 8.88e+02 8.88e+10 1.13e-08 1.13e-04 i 0.748 0.154 1.95e-09 -8.71 -21.78 1.95e-08 -7.71 -19.28 3.63e-20 -19.44 -48.60 3.63e-23 -22.44 -56.10 7.33e+02 7.33e+10 1.37e-08 1.37e-04 z 0.893 0.147 1.34e-09 -8.87 -22.18 1.34e-08 -7.87 -19.68 3.56e-20 -19.45 -48.62 3.56e-23 -22.45 -56.12 6.02e+02 6.02e+10 1.60e-08 1.60e-04