Photometry Diagnostics for sagittarius_u37501

Frame list, with derived and commanded shifts

dataset	filter	exptime	derived dx	derived dy	header dx	header dy	delta dx	delta dy
u3750101t	F555W	500.00	0.00	0.00	0.00	0.00	0.00	0.00
u3750102t	F555W	160.00	0.02	0.02	0.00	0.00	0.02	0.02
u3750103t	F555W	160.00	0.02	0.01	0.00	0.00	0.02	0.01
u3750104t	F555W	160.00	0.05	0.01	0.00	0.00	0.05	0.01
u3750105t	F555W	160.00	0.04	-0.02	0.00	0.00	0.04	-0.02
u3750106t	F555W	160.00	0.04	-0.03	0.00	0.00	0.04	-0.03
u375010ct	F555W	160.00	0.05	0.06	0.00	0.00	0.05	0.06
u375010dt	F555W	600.00	0.10	0.02	0.00	0.00	0.10	0.02
u3750107t	F814W	600.00	0.13	-0.03	0.00	0.00	0.13	-0.03
u3750108t	F814W	160.00	0.14	-0.05	0.00	0.00	0.14	-0.05
u3750109t	F814W	160.00	0.14	-0.06	0.00	0.00	0.14	-0.06
u375010at	F814W	160.00	0.13	-0.04	0.00	0.00	0.13	-0.04
u375010bt	F814W	160.00	0.11	-0.03	0.00	0.00	0.11	-0.03
u375010et	F814W	160.00	0.18	-0.04	0.00	0.00	0.18	-0.04
u375010ft	F814W	500.00	0.16	-0.07	0.00	0.00	0.16	-0.07

Mosaic images

F555W	F814W

HSTPHOT command log

Color magnitude diagrams

	All chips	PC	WF2	WF3	WF4
PSF
Aperture

Error vs. magnitude diagrams

	All chips	PC	WF2	WF3	WF4
f555w
f814w

CHI vs. magnitude diagrams

	All chips	PC	WF2	WF3	WF4
f555w
f814w

Aperture corrections

Aperture corrections compared with those of entire database (green points are this field)
If aperture corrections appear to be significant outliers in the global trend, you should be cautious about their quality, and consider that the zeropoints of photometry and colors are more suspect