spectro-aras.com

Hi Peter,
I sent you a private message, did you get it?
Ernst Pollmann

Here some news of the star: We still have a lot of work before we fully understand those stars! But it's also true they're not really fashionable. Interest is low in the community for this kind of long-term stuff. On the contrary that it's absolutely necessary (comment of Yael Naze, Universite de Li...

Dear colleagues! Pleione becomes more and more interesting. Monitoring of the Halpha central absorption depth and EW provides the following information: - the next periastron passage will take place at 20. November this year. - at present the star is leaving the maximum shell phase - approx. at autu...

Dear colleagues,
our analysis of the libration of the accretion disk and its emission lobes in VV Cep provides in addition to the evaluation of the radial velocity (JAAVSOVolume 50, 2022) additional and further more consistent results (see attachment).
Comments?
Ernst Pollmann

Dear colleagues! With the video links below I would like to explain what it is currently about at the VV Cep observation campaign. The previous multi-year campaign had revealed that the B companion star, with its emitting accretion disk and emission ejections in the star's rotational axis, is subje...

For VV Cep interested observer:
Supplementary Intermediate Report (July 2022) to the Spectroscopic Monitoring of the 2017–2019 Eclipse of VV Cephei

https://app.aavso.org/jaavso/article/3845/

Ernst Pollmann

Hi Guillaume,
a remarkable and very interesting work.
I studied them with Goggle Translater and all I can say is congratulations.

Ernst Pollmann

Dear colleagues, herewith I want inform you about the newest evaluation of VV Cep. The growing data set since approx. JD 2459000 did enable a new analysis of the radial velocity of the V emission component. The question has been, whether the former precession period of 52 day could be improved. See ...

Yes great, Joan!
Yael reported with her talk at the VEGA 2022 about the results of this paper. It is been a pity that you weren't there.
Ernst

Olivier,
could you send me a corresponding eMail address of one of the authors?
Ernst