emamajek on 25-Apr-2010 23:45:28 GMT about V* V1268 Cen
TWA 18 was rejected as a TW Hydra Association member by Mamajek (2005; http://adsabs.harvard.edu/abs/2005ApJ...634.1385M ). The modern UCAC3 proper motion for this star (pmRA, pmDec = -34.9 +- 1.2, -18.8 +- 3.5 mas/yr) is consistent with membership in the Lower Centaurus-Crux subgroup of the Sco-Cen OB association.
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View annotation on V* V1268 Cen object