CALPRODUCT-VS-022: VIS Small-scale Flat Field¶

Parent requirement¶

R-CAL-B-VS-1200
R-CAL-B-VS-2200
R-CAL-B-VS-4210

Once, during PV phase, and on a monthly basis during the ROS.

No

From the LED PRNU (CALPRODUCT-VS-014: VIS LED Pixel Response Non-uniformity (PRNU)) master flats, compute the smallscale flatfield for the broad VIS passband.

Ground Processing Input Data: BPM, ground-based QE

Data Description: Flat-field and QE cubes

Effective flat fields for the VIS bandpass. Trend analysis

Expected flux levels within TBD%, stable within TBD%, spatial irradiance as expected (within requirement, ground-based measurements)

L1 small scale flat pipeline, trending statistics

VIS instrument scientist