emamajek on 19-Oct-2018 06:48:01 GMT about NAME HD 101847BC
Parallax for BC from 2007A&A...474..653V (187.20+-37.48) appears to be too large (pair is not as close as this suggests). BC both appear in Gaia DR2 (as Gaia DR2 5384674960846056064 and Gaia DR2 5384674960846056192), with mean parallax of about 17.4 mas, hence about 10x further away:
B = Gaia DR2 5384674960846056192
(plx = 17.3950+-0.0377 mas)
C = Gaia DR2 5384674960846056064
(plx = 17.4059+-0.0382 mas)
and these are in agreement with the parallax for A:
A = Gaia DR2 5384674960846055680
(plx = 17.3490+-0.0499 mas)
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View annotation on NAME HD 101847BC object