Photometry Diagnostics for m31_u58501

Frame list, with derived and commanded shifts

dataset	filter	exptime	derived dx	derived dy	header dx	header dy	delta dx	delta dy
u5850101r	F555W	400.00	0.00	0.00	0.00	0.00	0.00	0.00
u5850102r	F555W	600.00	-0.02	-0.07	0.00	0.00	-0.02	-0.07
u5850103r	F555W	600.00	4.42	0.08	4.52	0.01	-0.10	0.07
u5850104r	F555W	1000.00	4.37	-0.03	4.52	0.01	-0.15	-0.04
u5850105r	F555W	1000.00	8.68	0.20	9.05	0.01	-0.37	0.19
u5850106r	F555W	1000.00	8.65	0.10	9.05	0.01	-0.40	0.09
u5850107r	F555W	1000.00	13.07	0.25	13.57	0.02	-0.50	0.23
u5850108r	F555W	1000.00	13.01	0.15	13.57	0.02	-0.56	0.13
u5850109m	F814W	1000.00	17.43	0.37	18.12	0.02	-0.69	0.35
u585010ar	F814W	1000.00	17.41	0.29	18.12	0.02	-0.71	0.27
u5850201r	F814W	1000.00	23.10	0.10	22.65	0.03	0.45	0.07
u5850202r	F814W	600.00	23.16	-0.01	22.65	0.03	0.51	-0.04
u5850203r	F814W	600.00	27.53	0.14	27.17	0.03	0.36	0.11
u5850204r	F814W	1000.00	27.49	0.05	27.17	0.03	0.32	0.02
u5850205r	F814W	1000.00	31.99	0.28	31.69	0.04	0.30	0.24
u5850206r	F814W	1000.00	31.99	0.15	31.69	0.04	0.30	0.11
u5850207r	F814W	1000.00	27.08	0.26	27.24	0.03	-0.16	0.23
u5850208r	F814W	1000.00	27.04	0.17	27.24	0.03	-0.20	0.14
u5850209r	F814W	1000.00	-0.22	-1.29	0.01	-1.36	-0.23	0.07
u585020ar	F814W	500.00	4.47	-1.29	4.75	-1.35	-0.28	0.06
u585020br	F814W	300.00	9.22	-1.36	9.52	-1.35	-0.30	-0.01

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