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Table 3
Accuracy of astrometry in arcsec.
| Band | ΔRA | ΔDec | |||
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| offset | RMS | offset | RMS | ||
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| z′ vs. 2MASS | 0.0018 | 0.2067 | 0.0129 | 0.2420 | |
| u∗ vs. z′ | −0.0043 | 0.1114 | 0.0098 | 0.1438 | |
| g′ vs. z′ | −0.0041 | 0.0733 | 0.0107 | 0.0821 | |
| r′ vs. z′ | −0.0024 | 0.0645 | 0.0032 | 0.0641 | |
| i′ vs. z′ | −0.0019 | 0.0591 | 0.0016 | 0.0583 | |
| Y vs. z′ | −0.000003 | 0.0613 | 0.0002 | 0.0630 | |
| J vs. z′ | 0.0002 | 0.0620 | 0.0003 | 0.0626 | |
| Ks vs. z′ | 0.0003 | 0.0623 | −0.0001 | 0.0628 | |
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