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SUMMARY:Extremely metal-poor galaxies: Chemical laboratories of the early 
 universe - Enrique Perez-Montero (IAA Granada)
DTSTART:20170630T103000Z
DTEND:20170630T113000Z
UID:TALK72924@talks.cam.ac.uk
CONTACT:Martin Haehnelt
DESCRIPTION:Extremely metal-poor galaxies (XMPOs) are objects with a metal
 licity\nlower than 1/10 of the solar value (12+log(O/H) < 7.69). Quiescent
  XMPs\nare difficult to analyse because of their very low metallicity\, bu
 t\nXMP starbursts in the local Universe are ideal sites to study\nscenario
 s of star-formation and galaxy evolution thought to be similar\nto the con
 ditions of the primaval building blocks from which larger\nsystems were fo
 rmed in the primitive Universe.\n\nThe chemical analysis of these SF objec
 ts is crucial to identify\nthem and to explore if their nature is that of 
 truly young\, unevolved\nobjects or dwarf systems rejuvenated by the fall 
 of pristine gas.\nIn this talk\, I will review some of the results of our 
 group in this line of\nresearch by means of the exploration of large deep 
 surveys\n(e.g. SDSS\, zCOSMOS\, VUDS) and detailed optical spatially resol
 ved\nobservations of a well-known local sample (e.g. IFU observations of I
 Zw18).\n\n
LOCATION:Kavli LMR\, IoA
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