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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20231109T103000
DTEND;TZID=Atlantic/Canary:20231109T113000
UID:iactalks-1716
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1716
CREATED:2023-11-09T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The effects of surface fossil magnetic fields on massive star evolu
 tion
DESCRIPTION:The effects of surface fossil magnetic fields on massive star e
 volution\nDr. Zsolt Keszthelyi\n\n \n\n\nMagnetism is ubiquitous in t
 he Universe, yet understanding the magnetic properties of stars continues 
 to present intriguing challenges. Recent advancements owe their success to
  large-scale optical spectropolarimetric surveys, asteroseismic inferences
 , and new modelling methodologies. This presentation focuses on the evolut
 ion of massive stars with OB spectral types, with a particular emphasis on
  the incorporation of magnetic field effects into one-dimensional (1D) evo
 lutionary model calculations. We explore the distinctiveness of these magn
 etic models in contrast to their non-magnetic counterparts, shedding light
  on the substantial influence of large-scale, organized magnetic fields on
  the physical characterization of stars. In particular, we investigat
 e surface phenomena, such as mass loss and angular momentum loss, and&nbsp
 ;their profound impact on the evolutionary trajectories of hot, massive st
 ars. We will conclude by outlining future avenues to improve 1D models and
  addressing some of the remaining challenges in describing the magnetic ch
 aracteristics of stars. \n\n
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