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SUMMARY:Understanding Intense Star Formation through Observations and Mode
 lling - Elizabeth Stanway (Warwick)
DTSTART:20180607T150000Z
DTEND:20180607T160000Z
UID:TALK104506@talks.cam.ac.uk
CONTACT:28811
DESCRIPTION:Observations of star-forming galaxies in the distant Universe 
 (z > 2) are\nstarting to confirm the importance of massive stars in shapin
 g galaxy\nemission and evolution. The intense starbursts common at high re
 dshift\, are\nrare but also identifiable in local analogue galaxies. Under
 standing these\npopulations\, and their evolution with age and heavy eleme
 nt content  is\nlikely to be key to interpreting processes such as superno
 va and gamma-ray\nburst rates\, cosmic reionization and the chemical enric
 hment of the Universe\nthrough galaxy-scale winds. It can even be importan
 t for the history of\nhabitability on galaxy scales. One avenue of explori
 ng these populations is\nthrough the study of local galaxies which share t
 he star formation\nproperties of the distant Universe. A second\, overlapp
 ing\, approach is\nthrough modelling. Distant stellar populations are unre
 solved\, and the\nlimited data available must be interpreted in the contex
 t of stellar\npopulation models. With the upcoming launch of JWST and the 
 promise of\nobservations of galaxies within a billion years of the Big Ban
 g\, the\nuncertainties in modelling massive stars are becoming increasingl
 y important\nto our interpretation of the high redshift Universe. In turn\
 , these\nobservations of distant stellar populations will provide ever str
 onger tests\nagainst which to gauge the success of\, and flaws in\, curren
 t massive star\nand stellar population synthesis models.
LOCATION:Sackler Lecture Theatre\, IoA (tea at 3:30 pm)
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