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SUMMARY:Poojan Agrawal (Swinburne U.\, Ctr. Astrophys. Supercomput.)
DTSTART:20210408T100000Z
DTEND:20210408T110000Z
DTSTAMP:20260423T021232Z
UID:CENTRA/34
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CENTRA/34/">
 Can uncertainties in the evolution of massive stars explain properties of 
 gravitational wave progenitors?</a>\nby Poojan Agrawal (Swinburne U.\, Ctr
 . Astrophys. Supercomput.) as part of CENTRA Seminar\n\n\nAbstract\nMassiv
 e stars play a critical role in the evolution of galaxies and star cluster
 s. Recent observations of the latter have highlighted the need for systema
 tic studies dedicated to probing the impact of massive stellar evolution o
 n the properties of stellar populations. While the use of fitting formulae
  to stellar tracks remains a popular choice for modelling stellar evolutio
 n in population synthesis codes\, these formulae are not adaptable to chan
 ges. In this talk\, I will discuss and present results from an alternative
  approach\, one that is more adaptable: Method of Interpolation for Single
  Star Evolution (METISSE). It can readily make use of stellar models compu
 ted with different stellar evolution codes and compare their predictions f
 or populations of stars. Using METISSE with the data from different stella
 r evolution codes\, I will show how various physical ingredients used in t
 he evolution of massive stars\, such as the treatment of their radiation d
 ominated envelopes\, can lead to differences in their evolutionary propert
 ies. I will discuss the implications of these differences on the evolution
  and interaction of stars in binaries\, and how it can impact compact bina
 ry mergers and the properties of gravitational wave events.\n
LOCATION:https://researchseminars.org/talk/CENTRA/34/
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