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Table 1
Median formal uncertainties for 512 common sources in the ICRF3 (S∕X-, K-, and X∕Ka-band) and Gaia EDR3 catalogs.
| Catalog | σα cos δ | σδ | σpos,max |
|---|---|---|---|
| μas | μas | μas | |
| ICRF3 S∕X | 45 | 57 | 58 |
| ICRF3 K | 68 | 132 | 134 |
| ICRF3 X∕Ka | 68 | 99 | 107 |
| Gaia EDR3 | 146 | 122 | 161 |
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