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)
1690012 50
RedGreenBlue
z17.34
znorm13.10
sky 14.4 13.9 13.8
S/N 4.6 8.5 9.0
S/N(c) 4.1 7.9 9.4
SN(E/C) 0.58
1690013 50
RedGreenBlue
z16.39
znorm12.14
sky 14.3 14.2 14.5
S/N 1.9 3.9 4.1
S/N(c) 1.8 3.6 4.5
SN(E/C) 0.73
1690014 50
RedGreenBlue
z17.54
znorm13.30
sky 14.3 14.3 14.0
S/N 5.0 9.3 9.8
S/N(c) 4.4 8.2 9.8
SN(E/C) 0.55