Bill Owen wrote:
> The published parallax is 7.56 +/- 0.48 mas, which is a 15- or 16-sigma
> detection. "The distance within which Hipparcos could measure parallax
> at all" would then correspond to a 4-sigma detection criterion, which
> seems more than reasonable to me.
> Or to put it another way, we know its distance to about 6 percent.
> And as another poster pointed out, it's a Cepheid and that's great news
> for the cosmological distance scale.
Do you or Chris remember the reason why the Hipparcos distances for
the Pleiades members seemed to be several percent too short?
Brian Tung <brian@xxxxxxx>
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