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Table 2

Fitting results for S CrA and HL Tau.

Quantity S CrA HL Tau
RA offset (AU) 1149 ± 76 −227 ± 12
Dec offset (AU) 618±123 −159±15
LOS offset (AU) 300±150 −1400 ± 573
RA speed (km s−1) 0.37 ± 0.18 0.3 ± 0.6
Dec speed (km s−1) −0.47 ± 0.15 0.6±1.2
LOS speed (km s−1) 0.02 ± 0.17 1.79 ± 0.20
Specific kinetic energy (km2 s−2) 0.18 ± 0.10 1.8 ± 0.9
Specific potential energy (km2 s−2) −1.33 ± 0.09 −1.3 ± 0.5
Specific angular momentum (AUkm s−1) 791 ± 218 606 ± 1803
Infall time (yr) 8301 ± 1358 2724 ± 1237

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