The interacting binary V 393 Scorpii: another clue for Double Periodic Variables

Details The interacting binary V 393 Scorpii: another clue for Double Periodic Variables The interacting binary V 393 Scorpii: another clue for Double Periodic Variables

2009-11-03

arxiv.org/abs/0911.0691v2

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

2 pages, 2 figures in encapsulated postscript format. To be published in Proceedings IAU Symposium No.262, 2009

Scientific paper

We give a brief report on spectroscopic properties of V 393 Scorpii. H alfa
emission and shape and radial velocity of He I 5875 are modulated with the long
cycle. The long cycle is explained as a relaxation cycle in the circumprimary
disc, that cumulates the mass transferred from the donor until certain
instability produces disc depletion.

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