# Signal-to-noise ratio for SNAP observations of # stars of mag V = 25.0 exptime 100.0 seconds # # exptime filter A0V G0V M0V #------------------------------------------------------- 100.0 0 4.950 3.077 1.529 100.0 1 5.556 4.739 3.650 100.0 2 5.376 5.988 6.944 100.0 3 5.076 7.143 11.628 100.0 4 4.785 8.000 16.949 100.0 5 3.968 7.463 18.868 100.0 6 1.266 2.732 10.000 100.0 7 1.034 2.506 11.628 100.0 8 0.835 2.315 13.333