VV Cep at R=50000 + ancient observations

[Christian Buil]

A VHIRES (R=50000) (on a 8-inch Newton telescope) spectrum of VV Cep the 2.002 / 08 / 2015 (exposure: 8 x 600 sec.):



With the same setup and the same night, for comparison, a spectrum of gamma Peg:



and gamma Cas (Be star of course):



An ancient unpublished observation of VV Cep (June 12, 2009, 6 years ago):



Halpha detail:



And a very ancient observation of VV Cep (August 1999, 16 years ago!!!). See URL:

http://www.astrosurf.com/buil/us/peculiar2/vvcep.htm

Christian

[Ernst Pollmann]

Hi Christian,
here comes the evaluation of your current spectrum.

Ernst

[Christian Buil]

Thanks Ernst!

Christian

[Ernst Pollmann]

Hi Christian,
would you be so friendly to send your gamma Cas spectrum.
It might be helpful before the background, to clear the bump in the rise of the RV.

Ernst