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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20170510T123000
DTEND;TZID=Atlantic/Canary:20170510T133000
UID:iactalks-1029
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1029
CREATED:2017-05-10T12:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:A systematic search for highly-evolved post period-minimum cataclys
 mic variables. The case of SSS J122221.7-311525 - the most-evolved CV know
 n to date
DESCRIPTION:A systematic search for highly-evolved post period-minimum cata
 clysmic variables. The case of SSS J122221.7-311525 - the most-evolved CV 
 known to date\nDr. Vitaly Neustroev\n\nAccording to standard evolutionary 
 theory, cataclysmic variables (CV) evolve from longer to shorter orbi
 tal periods until a minimum period P_min is reached. The period bounc
 ers are such CVs that have passed beyond P_min and are evolving back 
 toward longer periods, with the donor star now extremely dim. This ha
 s long been predicted to be the "graveyard" and current state of 70% 
 of all CVs, though only about a dozen of more or less robust candidat
 es for such period bouncer systems have been identified until now, ou
 t of a thousand of known CVs. In this talk I will discuss the various
  methods by which such post period-minimum CVs can be recognized, and
  will also highlight recent progress in this field.
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