Orbital period change of Pleione?

Affiliation
American Association of Variable Star Observers (AAVSO)
Fri, 01/31/2014 - 17:21

Regarding to the subject above, see:

http://astrospectroscopy.de/Orbital_period_change_of_Pleione.pdf

Ernst Pollmann
 

Affiliation
American Association of Variable Star Observers (AAVSO)
Orbital period change of Pleione

Ernst,

 

as usual - great work with input/observation from numerous observers...

 

Cordialement,

Olivier Thizy