Measuring Track-Related Pointing Errors on the Nanshan Radio Telescope with an Optical Pointing Telescope

Table 2

Results of OPT pointing observations.

Encoder Az	OPT Az0	OPT El0	OPT Az	OPT El	ex (′′)	ey (′′)
0°	355°.5597 ± 0.44″	53°.2649 ± 0.29″	0°.0096 ± 0.68″	53°.2672 ± 0.32″	34.6	−34.3
30°	25°.5530 ± 0.49″	53°.2665 ± 0.24″	30°.0032 ± 0.92″	53°.2692 ± 0.28″	11.5	−27.1
60°	55°.5444 ± 0.43″	53°.2652 ± 0.23″	59°.9944 ± 0.67″	53°.2682 ± 0.28″	−20.2	−30.7
90°	85°.5391 ± 0.58″	53°.2700 ± 0.21″	89°.9895 ± 0.71″	53°.2732 ± 0.22″	−37.8	−12.7
120°	115°.5393 ± 0.50″	53°.2737 ± 0.19″	119°.9902 ± 0.66″	53°.2770 ± 0.23″	−35.3	1.0
150°	145°.5422 ± 0.36″	53°.2812 ± 0.29″	149°.9938 ± 0.59″	53°.2844 ± 0.31″	−22.3	27.7
180°	175°.5473 ± 0.45″	53°.2820 ± 0.31″	179°.9991 ± 0.76″	53°.2850 ± 0.30″	−3.2	29.8
210°	205°.5551 ± 0.56″	53°.2821 ± 0.31″	210°.0070 ± 0.93″	53°.2847 ± 0.38″	25.2	28.7
240°	235°.5638 ± 0.48″	53°.2830 ± 0.27″	240°.0156 ± 0.70″	53°.2851 ± 0.27″	56.2	30.2
270°	265°.5631 ± 0.37″	53°.2784 ± 0.29″	270°.0144 ± 0.41″	53°.2804 ± 0.30″	51.8	13.3
300°	295°.5620 ± 0.38″	53°.2742 ± 0.26″	300°.0128 ± 0.49″	53°.2763 ± 0.33″	46.1	−1.5
330°	325°.5651 ± 0.41″	53°.2679 ± 0.22″	330°.0152 ± 0.54″	53°.2699 ± 0.24″	54.7	−24.5