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PRODID:https://murmitoyen.com/events/vanille/udem/
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UID:69df3232320bf
DTSTAMP:20260415T023738
DTSTART:20141120T113000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20141120T123000
URL:https://murmitoyen.com/events/vanille/udem/detail/499982
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Feedback and tidal stripping in dwarf galaxies
DESCRIPTION:Conférence de David Williamson\, Université LavalRésuméThe 
 observed mass-metallicity relation demonstrates the metallicity of a galax
 y increases tends to increase with its mass. Various mechanisms have been 
 proposed to explain this trend\, including suppression of outflows by a st
 rong halo potential or by inflowing material\, as well as processes such a
 s ram-stripping and tidal-stripping of metal-rich ejecta. Although tidal s
 tripping may not be a key factor\, it likely has a significant contributio
 n in the depletion of metals from dwarf galaxies. We are performing simula
 tions to quantify the strength of this effect. Producing realistic dwarf g
 alaxies necessitates the use of suitable star-formation and feedback metho
 ds\, which I will review. Présentée par le Groupe Astronomie et astroph
 ysique du Département de physique de l'Université de Montréal. Cette c
 onférence est destinée à des spécialistes dans le domaine de l'astroph
 ysique et sera donnée en anglais.
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