[vsnet-alert 11634] TT Ari: 0.38-d variation returned?

[Taichi Kato]

TT Ari: 0.38-d variation returned?

   The most recent data from Maehara-san, Jani Virtanen, the Hermitage team 
(Arto Oksanen and Eric Southgate), Javier Ruiz, Enrique de Miguel Agustino,
and Peter Nelson indicate that the 0.38-d modulation has probably
re-appeared but with a smaller mean amplitude (~0.5 mag).
The mean period since Oct. 28 has been 0.3802(7) d.
This periodicity seems to become dominant when the system brighteness falls.