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)
0 0
RedGreenBlue
z17.64
znorm Inf
sky -Inf -Inf -NaN
S/N 19.8 31.0 37.2
S/N(c) 0.0 0.0 0.0
SN(E/C) 0.76

IPAIRNAMESHIFTNEWSHIFTS/N NAMESHIFTNEWSHIFTS/N
0 19310048 0.489785 0.00000 19.0282 19310046 0.00000 0.489785 18.9665
1 19310047 0.489108 0.000676990 18.9477 19310049 0.00251726 0.487268 18.9458