Table 5

Counterpart quality summary.

“Same ctps”, single solutions − 23 622 (86.3%)

p_any p_any
>0.035 <0.035

LR_best > 0.45 20 873 (0.763) 561 (0.020)
LR_best < 0.45 818 (0.030) 1370 (0.050)

“Same ctps”, multiple solutions − 571 (2.1%)

p_any p_any
>0.035 <0.035

LR_best > 0.45 505 (0.018) 7 (3 × 10−4)
LR_best < 0.45 59(0.002)

“Different ctps” − 3176 (11.6%)

p_any p_any
>0.035 <0.035

LR_best > 0.45 1243 (0.045) 226 (0.008)
LR_best < 0.45 478 (0.017) 1225 (0.045)
HamStar(1) 4(2 × 10−4)

Notes. Comparison of matches with NWAY and ASTROMATCH as a function of their respective thresholds, split between same counterparts (for cases of single and multiple counterparts) and different counterpart classes; in parentheses, we list the fractions of the total sample. The numbers in each box are colour-coded by their CTP_quality value (see text for more details): thick black = 4; thick blue = 3; thick cyan = 2; thick purple = 1, and thick red = 0. (1)Objects for which HamStar would indicate a different counterpart with p_stellar > 0.95 are by definition sources with CTP_quality = 2 (see text for details).

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