Astronomy Colloquium - Gus Oemler

Event time: 
Thursday, October 5, 2017 - 2:30pm
  • Gus Oemler
Speaker Institution: 
  • Carnegie
Talk Title: 
"The Death of Spirals"
Event description: 

A careful recalibration of star formation rates in galaxies reveals the existence of a large population of objects with star formation rates greater than zero but much lower than normal  star-forming spirals. The properties of this population imply that the evolution of disk galaxies from spirals to S0’s is driven by nothing more than the depletion of gas by star formation, as proposed almost 40 years ago by Larson, Tinsley and Caldwell. 

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