Mass & precession of the Disk in zeta Tau › Forums › Spectroscopy › Mass & precession of the Disk in zeta Tau This topic has 2 replies, 2 voices, and was last updated 7 years, 5 months ago by Ernst Pollmann. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 15 May 2017 at 3:12 pm #573750 Ernst PollmannParticipant 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 Attachments:Nova_Cas_2021.JPG 16 May 2017 at 7:12 pm #578216 Andy WilsonKeymaster 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 18 May 2017 at 2:00 pm #578222 Ernst PollmannParticipant 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 Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Connect with :Login with Sheep CRM Log In