NB! Note! Variable?

Reported measurements:
ID Q% U% Er% P% PA
HD251204 2.808 -3.792 0.042 4.718153.26
Weitenbeck, A. J. 1999, Acta Astron., 49, 59

Also Sluse et al. A&A 433, 757, (2005) found that their measured degree of polarisation and the position angle disagreed from the tabulated values, however the numbers are not given.