Table C.1
Statistics of original and updated parallaxes for quasars with six-parameter solutions.
| Full sample | Sub sample | ||||
|---|---|---|---|---|---|
| (396 445 sources) | (28 806 sources) | ||||
| Quantity | Unit |  |
 |
 |
 |
| med(x) | [μas] | − 28.6 | − 28.3 | − 41.5 | − 40.8 |
 |
[μas] | 836 | 826 | 1297 | 1197 |
| RSE(x) | [μas] | 973 | 956 | 1426 | 1311 |
 |
– | 1.073 | 1.074 | 1.062 | 1.067 |
Notes. Columns 3 and 4 give statistics on the original parallaxes (
) and updated values (
) for the full sample of quasars having six-parameter solutions and colours in EDR3. Columns 5 and 6 give statistics on the subsample with 
. The first two lines of data give the median parallax and median parallax uncertainty, the last two lines the robust scatter estimate (RSE; see footnote 10) of the parallaxes and of the median-centred parallaxes normalised by their uncertainties.
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