Disk precession and nodding in zeta Tau

[Ernst Pollmann]

For those, who have difficulties to imagine the process of disk-nodding and disk-precession in zeta Tau, here a link to an animation:

http://astrospectroscopy.de/media/files/disk-nodding_slow.AVI

Arranged from: Schaefer et al., The astron. Journal, 140, 1838-1849, 2010

Ernst Pollmann