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SUMMARY:Probing ISM Physics at High-Redshift with Simulations and Local An
 alogues - Harley Katz (Oxford)
DTSTART:20211022T103000Z
DTEND:20211022T113000Z
UID:TALK161503@talks.cam.ac.uk
CONTACT:Martin Haehnelt
DESCRIPTION:High-redshift galaxies are often characterized by extreme emis
 sion line properties potentially indicating that the ISM properties of gal
 axies at z>6 are different from what they are in the local Universe. For t
 his reason\, local Green Pea and Blueberry galaxies are often used as labo
 ratories to study high-redshift galaxy formation due to their similarly ex
 treme observational properties. In this talk\, I will introduce the SPHINX
 -20 simulations and discuss the use of various strong-line diagnostics and
  emission line ratios (such and [OIII]/[CII] and the [MgII] doublet ratio)
  for constraining ISM and galaxy properties such as gas density\, metallic
 ity\, star formation rate and Lyman continuum escape fraction. I will comp
 are how well these diagnostics work on low-redshift analogues with simulat
 ed galaxies in the epoch of reionization.
LOCATION:via zoom 
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