Open Access

Table B.1.

Logs of the Omega2000 observations of five metal-poor T dwarf candidates.

Name MJD Fil. Exp. Notes
W0004 59396.16 J 30s×18
59423.15 J 30s×18
59478.01 J 30s×9
59506.89 J 30s×9
59774.15 J 30s×9
59802.10 J 30s×9
59829.01 J 30s×9
59856.89 J 30s×9

W0301 59242.78 J 30s×9
59269.78 J 30s×9
59423.16 J 30s×18
59478.15 J 30s×9
59507.07 J 30s×9
59598.77 J 30s×9
59626.78 J 30s×9
59802.17 J 30s×9
59830.09 J 30s×9

W0422 59242.78 J 150s×10 bad
59269.79 J 150s×10
59297.82 J 150s×10
59480.16 J 150s×20
59507.09 J 150s×20
59598.79 J 150s×20
59626.81 J 150s×20 bad
59830.16 J 150s×20

W1553 59242.78 J 150s×10
59297.82 J 150s×10
59325.14 J 150s×10 bad
59395.96 J 50s×100
59506.83 J 150s×20
59571.22 J 150s×20
59598.22 J 150s×20
59627.19 J 150s×20
59716.08 J 150s×20
59746.06 J 150s×20
59772.85 J 150s×20
59801.87 J 150s×20
59828.86 J 150s×20
59856.82 J 150s×20

W2217 59396.12 Ks 30s×60 no det.
59423.01 J 150s×20 bad
59477.97 J 150s×20
59480.04 J 150s×20
59506.85 J 150s×20
59716.14 J 150s×20
59746.12 J 150s×20
59774.11 J 150s×20
59802.06 J 150s×20 bad
59828.90 J 150s×20 bad
59856.85 J 150s×20

Notes. The data including notes indicating ’bad’ or ’no detection’ were not used to solve the astrometry.

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