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Mass & precession of the Disk in zeta Tau

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daliahmaus's picture
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Mass & precession of the Disk in zeta Tau

New investigation, see the following link:

"Mass & precession of the Disk in zeta Tau".

The paper has been accepted and will be published at IBVS during the coming weeks.

Ernst Pollmann

Andy Wilson's picture
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Mass & precession of the Disk in zeta Tau

Hi Ernst,

An interesting paper and a good demonstration of what can be achieved with the high resolution spectrographs that are now available to the amateur community.

Best wishes,

Andy

daliahmaus's picture
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Disk precession and nodding in zeta Tau

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