Research Article
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 |
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