VV Cephei campaign - Periodic precession of B stars rotational axis after periastron 2025

We invite you to participate in the new VV Cep campaign.

https://apps.aavso.org/v2/campaigns/873

A new high cadence spectroscopic observation is necessary to monitor the new discovered 43-days precession of the B star component during and after the periastron.

Please find the details into following paper:

https://www.dropbox.com/scl/fi/qto1zqiwan9x4vcj4yk94/VV-Cep-2025.pdf?rlkey=sxk6j3cdntkbfumk3pqsh1yfc&dl=0

Thank you for your support.

Manfred Schwarz & Ernst Pollmann