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)
18790015 47
RedGreenBlue
z16.27
znorm12.09
sky 12.1 12.1 11.9
S/N 1.3 1.9 2.4
S/N(c) 1.7 1.0 1.6
SN(E/C) 0.97
18790016 47
RedGreenBlue
z14.71
znorm10.53
sky 12.6 12.6 12.6
S/N 0.1 0.1 0.3
S/N(c) 0.4 0.2 0.4
SN(E/C) 4.26
18790017 47
RedGreenBlue
z15.74
znorm11.56
sky 12.9 12.9 12.8
S/N -0.1 -0.3 -0.2
S/N(c) 0.0 0.0 0.0
SN(E/C)17.96