Cycles in the cataclysmic variable V795 Herculis

0388630 - ASÚ 2013 RIV FR eng J - Článek v odborném periodiku
Šimon, Vojtěch - Polášek, Cyril - Štrobl, Jan - Hudec, René - Blažek, Martin
Cycles in the cataclysmic variable V795 Herculis.
Astronomy & Astrophysics. Roč. 540, April (2012), A15/1-A15/11. ISSN 0004-6361. E-ISSN 1432-0746
Grant CEP: GA ČR GA205/08/1207
Výzkumný záměr: CEZ:AV0Z10030501
Klíčová slova: novae * cataclysmic variables * accretion disks
Kód oboru RIV: BN - Astronomie a nebeská mechanika, astrofyzika
Impakt faktor: 5.084, rok: 2012

We studied the activity of the cataclysmic variable (CV) V795 Her using our robotic CCD telescope with the D 50 cm mirror. We showed how the tidal force is important in affecting the thermal-viscous instability of the accretion disk. We show that flickering is produced in the places in the disk most affected by the tidal force. The tidal heating like the one operating in V795 Her can also help to keep the accretion disks in some other CVs (permanent superhumpers) in the hot, luminous state.
Trvalý link: http://hdl.handle.net/11104/0217528