Left plots: red are targets, blue are telluric. Observed mags are calculated from median value of green chip. Zeropoint gives overall throughput: bigger number is more throughput.
First spatial plots: circles are objects, squares are tellurics, crosses are sky fibers. Colors give deviation of observed mag from expected 2MASS mag using the median zeropoint; red is brighter
Second spatial plots: circles are sky fibers. Colors give sky line brightness relative to plate median sky line brightness
FrameNreadsZeropointsMag plots Spatial mag deviation Spatial sky 16325A emission deviations (filled: sky, open: star) Spatial sky continuum emission Spatial sky telluric CO2 absorption deviations (filled: H < 10)
20030021 47
RedGreenBlue
z18.51
znorm14.33
sky 14.4 14.4 14.5
S/N 11.2 19.5 20.5
S/N(c) 12.1 7.4 18.2
SN(E/C) 0.80
20030022 47
RedGreenBlue
z18.67
znorm14.49
sky 14.6 14.5 14.6
S/N 11.8 19.9 22.6
S/N(c) 13.2 7.8 19.1
SN(E/C) 0.81
20030023 47
RedGreenBlue
z18.55
znorm14.37
sky 14.8 14.7 14.7
S/N 11.1 18.9 20.0
S/N(c) 12.3 7.6 18.2
SN(E/C) 0.77
20030024 47
RedGreenBlue
z18.91
znorm14.73
sky 14.7 14.8 14.8
S/N 13.7 22.9 25.1
S/N(c) 15.3 9.0 22.2
SN(E/C) 0.70
20030025 47
RedGreenBlue
z18.99
znorm14.81
sky 14.7 14.7 14.9
S/N 14.7 24.0 26.7
S/N(c) 15.8 9.4 22.5
SN(E/C) 0.70
20030026 47
RedGreenBlue
z18.94
znorm14.76
sky 14.9 14.9 15.1
S/N 14.4 23.2 26.0
S/N(c) 15.3 9.1 22.5
SN(E/C) 0.69
20030027 47
RedGreenBlue
z18.99
znorm14.81
sky 14.7 14.8 15.1
S/N 14.9 23.9 26.1
S/N(c) 15.6 9.4 22.8
SN(E/C) 0.71
20030028 47
RedGreenBlue
z18.98
znorm14.80
sky 15.1 15.4 14.9
S/N 15.1 24.0 26.5
S/N(c) 15.5 9.3 22.7
SN(E/C) 0.71