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VERSION:2.0
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SUMMARY:Results of Supernovae sample studies and its implications for theo
 retical modeling
DTSTART:20230907T143000Z
DTEND:20230907T160000Z
DTSTAMP:20260906T035752Z
UID:7319e331-9f11-4190-8a31-797b84ee7373
SEQUENCE:1
CREATED:20230901T082831Z
DESCRIPTION: ABSTRACT: Supernovae (SNe) explosions mark the explosive deat
 h of a star. They are classified empirically based on their observed spect
 ral and light curve features. These features can be connected to the proge
 nitor star to derive pre-explosion characteristics. Some of the pre-explos
 ion characteristics are straight-forward (e.g: if there is hydrogen in the
  spectra\, the progenitor star should have retained its hydrogen layers du
 ring its whole evolution). Some are derived through theoretical models (e.
 g: if the spectra shows broad and boxy hydrogen lines without absorption c
 omponents\, it is possibly due to interaction of the SNe ejecta with a den
 se shell formed by circumstellar material accumulated during the explosion
 ). Theoretical models are not only useful to infer progenitor properties b
 ut also to predict what type of compact remnant will be produced by the ex
 plosion\, if any. Thus\, SNe characterization is of key importance to unde
 rstand both stellar evolution and  the birth of compact objects. In this 
 talk I will present the observational analysis done in samples of differen
 t types of SNe and the implications of the results for theoretical models.
  I will finish by presenting the possibilities and challenges that the new
  LSST survey presents for the field.
LAST-MODIFIED:20230901T082831Z
LOCATION:Sala de Seminários do DF\,  Pavilhão de Física\, 2º piso
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/results-of-supernovae-samp
 le-studies-and-its-implications-for-theoretical-modeling/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="cdz0h"> <b>ABSTRACT: </b><
 /p><p data-block-key="33a0p">Supernovae (SNe) explosions mark the explosiv
 e death of a star. They are classified empirically based on their observed
  spectral and light curve features. These features can be connected to the
  progenitor star to derive pre-explosion characteristics. Some of the pre-
 explosion characteristics are straight-forward (e.g: if there is hydrogen 
 in the spectra\, the progenitor star should have retained its hydrogen lay
 ers during its whole evolution). Some are derived through theoretical mode
 ls (e.g: if the spectra shows broad and boxy hydrogen lines without absorp
 tion components\, it is possibly due to interaction of the SNe ejecta with
  a dense shell formed by circumstellar material accumulated during the exp
 losion). Theoretical models are not only useful to infer progenitor proper
 ties but also to predict what type of compact remnant will be produced by 
 the explosion\, if any. Thus\, SNe characterization is of key importance t
 o understand both stellar evolution and  the birth of compact objects. In
  this talk I will present the observational analysis done in samples of di
 fferent types of SNe and the implications of the results for theoretical m
 odels. I will finish by presenting the possibilities and challenges that t
 he new LSST survey presents for the field.</p>
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