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DTSTART:20250101T000000
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DTSTART;TZID=UTC:20260127T143000
DTEND;TZID=UTC:20260127T160000
DTSTAMP:20260516T012923
CREATED:20251206T080633Z
LAST-MODIFIED:20260126T111046Z
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SUMMARY:CASSA Colloquium 13: Modelling the Last Major Merger that Shaped the Milky Way
DESCRIPTION:Speaker (in person): Istiak Akib\, PhD candidate\, Laboratoire d’Instrumentation et de Recherche en Astrophysique (LIRA)\, Observatoire de Paris\, Paris Sciences et Lettres University (PSL)\, France. \nAbstract: The last major merger of the Milky Way (MW) occurred 9-10 Gyr ago with an incoming galaxy known as the Gaia-Sausage Enceladus (GSE). We present the first hydrodynamical modelling of this collision using GIZMO. Our simulation reproduces the observed kinematic signatures of GSE. Furthermore\, the merger model successfully recovers key structural and dynamical properties of the present-day MW\, such as\, the bulge\, disk\, bar and its rotation\, four spiral arms\, surface mass density\, rotation curve\, gas fraction\, and star formation history. The simulations also show evidence for the Galactic warp and flare.
URL:https://cassa.site/event/colloquium-13/
LOCATION:CASSA\, IUB Main Building Rooftop\, Plot 16\, Aftabuddin Ahmed Road\, Block B\, Bashundhara RA (Main Building Rooftop)\, Dhaka\, 1229\, Bangladesh
CATEGORIES:Colloquium
ATTACH;FMTTYPE=image/webp:https://cassa.site/wp-content/uploads/2024/12/akib-1.webp
ORGANIZER;CN="CASSA%2C Independent University%2C Bangladesh":MAILTO:cassa@iub.edu.bd
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