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BEGIN:VEVENT
DTSTAMP:20260627T180501Z
DTSTART;VALUE=DATE-TIME:20140205T134500
DTEND;VALUE=DATE-TIME:20140205T144500
SUMMARY:Donald Kurtz (University of Central Lancashire)
TZID:Europe/London
UID:20140205-094d43d541eaea0e01422424bd2d5765@warwick.ac.uk
CREATED:20131104T172416Z
DESCRIPTION:Astroseismology: A New Keplerian Revolution In 1926 in the op
 ening paragraph of his now-classic book\, The Internal Constitution of t
 he Stars\, Sir Arthur Eddington lamented\, “What appliance can pierce th
 rough the outer layers of a star and test the conditions within?” While 
 he considered theory to be the proper answer to that question\, there is
  now an observational answer: asteroseismology. We are in a time of a si
 gnificant advance in our understanding of stellar astrophysics with data
  from the Kepler Mission. From its rich 4-year data set more than 3500 e
 xoplanet candidates were discovered - the majority of all known. Kepler 
 has also improved our ability to see pulsations and variability in stars
  by 100 to 1000 times compared with ground-based telescopes\, allowing u
 s to probe stars using asteroseismology. We are seeing as never before: 
 heartbeat stars\, novel eclipsing stars\, spots\, flares and magnetic cy
 cles as in our own Sun. Astrophysics that used to be theoretical is now 
 also observational: internal stellar rotation from core to surface\; gra
 vitational lensing in eclipsing binary stars\; Doppler boosting\; multip
 le pulsation axes\; period doubling\; tidal excitation. Kepler data for 
 solar-like stars are now comparable to data for the Sun seen as a star\,
  giving us masses\, radii and ages for hundreds of single stars\, allowi
 ng determination of their orbiting planets’ sizes\, and giving new const
 raints on stellar evolution theory. This talk will introduce the concept
 s of asteroseismology and show a selection of exciting observational res
 ults from the Kepler mission.
LOCATION:PS1.28
CATEGORIES:Astronomy Seminar
LAST-MODIFIED:20131104T172416Z
ORGANIZER;CN="":
END:VEVENT
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