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SUMMARY:Using galaxies to study supernovae and supernovae to study galaxie
 s - Or Graur (University of Portsmouth)
DTSTART:20230210T113000Z
DTEND:20230210T123000Z
UID:TALK184235@talks.cam.ac.uk
CONTACT:Sandro Tacchella
DESCRIPTION:Different types of stars end their lives in different types of
  supernova explosions. To date\, only a handful of supernova types have be
 en conclusively connected to their progenitor stars. For all other superno
 va types\, including the Type Ia supernovae used in cosmology\, this is st
 ill an open question. I will describe how correlations between supernova r
 ates and global galaxy properties (such as stellar mass\, metallicity\, an
 d star-formation rates) can be used to constrain the progenitors of variou
 s supernova types. I will also show how the same rates can be used to stud
 y the chemical enrichment history of the Universe in general and the Milky
  Way specifically. Finally\, I will show how recent measurements have reve
 aled that\, for reasons still unknown\, galaxy clusters are more efficient
  producers of Type Ia supernovae than field galaxies. 
LOCATION:in person &amp\; via zoom 
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