BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Heidelberg University//HePhySTO//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTEND:20260616T153000Z
UID:ae52b891d4ea252a641ffa26d69aa66e@physik.uni-heidelberg.de
DTSTAMP:20260411T172615Z
LOCATION:
DESCRIPTION:A third of all massive stars are predicted to lose their hydrog
 en-rich envelope through mass transfer or common envelope ejection initiate
 d by a binary companion star. As a result\, the hot and compact helium core
  is exposed. These "stripped stars" are the direct progenitors of hydrogen-
 poor supernovae and merging binary neutron stars\, but they are also so hot
  that they should boost the ionizing output from bursty star-forming galaxi
 es.\nDespite their importance\, stripped stars remained\, until recently\, 
 observationally unconfirmed since their predicted existence over half a cen
 tury ago. We found the first set of stripped stars by combining ultraviolet
  and optical photometry with follow-up spectroscopy in the Magellanic Cloud
 s. By fitting their spectra with a new grid of models\, we could measure st
 ellar properties and thus confirm that the predictions from binary evolutio
 n models are broadly consistent with observed stripped stars. To arrange a 
 visit with the speaker during the visit\, please contact their host: Jaime 
 Villasenor\n\nImported from https://www.physik.uni-heidelberg.de/hephysto/ 
 (no warranty for accuracy).
URL;VALUE=URI:https://www.physik.uni-heidelberg.de/hephysto/index.php?s=tal
 k&id=12471
SUMMARY:Heidelberg Joint Astronomical Colloquium: Ylva Götberg  - Stars str
 ipped in binaries: from theory to observation
DTSTART:20260616T143000Z
END:VEVENT
END:VCALENDAR