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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20170601T103000
DTEND;TZID=Atlantic/Canary:20170601T113000
UID:iactalks-1017
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1017
CREATED:2017-06-01T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY: Stellar twins and Galactic phylogenetics
DESCRIPTION: Stellar twins and Galactic phylogenetics\nDr. Paula Jofre\n\nG
 alactic archaeology is             the study of the structure, formation a
 nd evolution of our             galaxy, the Milky Way. Today, this is main
 ly done via             combining the ages and the dynamical and chemical 
 properties             of various stellar populations. Thanks to on-going 
 and             future stellar surveys completing Gaia, data of millions o
 f             stars is becoming available. How to exploit this            
  multidimensional data efficiently, which effectively will             giv
 e the new insights on how to constrain models of Galactic             form
 ation and evolution, is becoming one of the major modern             chall
 enges of the field.\n \nPhylogenetics, a concept             being wi
 dely-used in biology, is the reconstruction of             evolutionary hi
 story by building trees that represent             branching patterns and 
 sequences. These trees represent             shared history, and it is our
  contention that this approach             can be employed in the analysis
  of Galactic history, where             the shared environment in which st
 ars form provide the basis             for tree-building as a methodologic
 al tool.  In this           talk I will discuss how evolutionary tree
 s can be built with           twin stars and how this gains new insights i
 nto the structure           and evolution of the Milky Way. 
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