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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20100609T000000
DTEND;TZID=Atlantic/Canary:20100609T010000
UID:iactalks-198
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/198
CREATED:2010-06-09T00:00:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Cepheid distance scale: anything new?
DESCRIPTION:Cepheid distance scale: anything new?\nDr. Giuseppe Bono\n\nWe 
 present recent theoretical and empirical results concerning the accuracy o
 f Cepheid distance estimates based on optical and near-infrared (NIR) Peri
 od-Luminosity (PL) relations. In particular, we plan to discuss the depend
 ence of both slope and zero-point on the metal content using a large sampl
 e of extragalactic Cepheids. Moreover, we discuss pros and cons of optical
  and NIR reddening free Period-Wesenheit relations. We also mention the im
 pact that GAIA will have on the precision of the Cepheid distance scale an
 d the role that E-ELT will play in the identification of Cepheids beyond t
 he Local Volume.\n\n
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