QA for run 3187 (rerun 40, strip 33S), fields: 11-201

The Estimates of Photometric Zeropoint Errors:

Zeropoint corrections to flatten background

	Zeropoint Corrections to Flatten Background
band:	u	g	r	i	z
Col. 1	-0.001	0.004	0.006	0.005	0.017
Col. 2	0.014	0.019	0.015	0.013	0.010
Col. 3	-0.011	0.005	0.001	-0.002	0.006
Col. 4	0.009	0.001	-0.005	-0.015	-0.009
Col. 5	-0.019	-0.003	-0.010	0.004	0.002
Col. 6	-0.013	-0.006	-0.005	0.007	-0.018

The table above lists the photometric zeropoint corrections
required for a flat background across all camera columns.

Zeropoint corrections from principal colors

	Zeropoint Corrections to Fix Principal Colors
band:	u	g	r	i	z
Col. 1	-0.049*	-0.007	0.003	0.004	-0.004
Col. 2	-0.003	-0.003	0.004	-0.000	-0.006
Col. 3	-0.016	-0.009	0.006	0.003	0.011
Col. 4	-0.008	-0.007	0.003	0.004	0.009
Col. 5	-0.033*	-0.012	0.011	0.001	0.003
Col. 6	-0.055*	-0.008	0.007	0.001	0.017

*Red entries are triggered by abs(entry) > (0.02 0.02 0.02 0.02 0.03) in (u g r i z)
The table above lists the photometric zeropoint corrections
required to make the median principal colors (for all fields in
a camera column) to be 0 (assuming that errors in gri add up to 0)

	Mean Values for All Columns
QUANTITY	u	g	r	i	z
Sky: RMS	0.004	0.002	0.002	0.002	0.002
Sky: Max Dev	0.015	0.006	0.005	0.007	0.007
m(apert7)-m(psf): Max Dev	0.060	0.051*	0.032	0.027	0.055
m(apert7)-m(psf): Med Off	0.017*	0.004	0.002	0.005	0.009
m(apert7)-m(psf): RMS	0.011	0.006	0.005	0.006	0.010
m(mod)-m(psf): Max Dev	0.023	0.037	0.027	0.020	0.025
m(mod)-m(psf): Med Off	0.003	0.004	0.002	0.004	0.002
m(mod)-m(psf): RMS	0.006	0.005	0.004	0.004	0.004

Click here for expanded tables with links to plots.

Relative Astrometry, mean values for 6 columns: