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DTSTART;TZID=Australia/Sydney:20230426T150000
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DTSTAMP:20260426T053424
CREATED:20250819T073055Z
LAST-MODIFIED:20250819T073056Z
UID:14929-1682521200-1682524800@www.atnf.csiro.au
SUMMARY:S&A Colloquium: Jayender Kumar (CSIRO)
DESCRIPTION:The dynamics and 3D structure of the Galactic long bar\n\nAbstract\n\nUnderstanding the 3D structure and associated dynamics of the inner 4-kpc of the Milky Way is very challenging because of high obscuration at optical wavelengths and our ability to accurately measure the distance and 3D motions of sources at these distances. \n\nIn this work\, we measured parallax and proper motions of three 22.2 GHz water masers\, each associated with a High-Mass Star-Forming Region (HMSFR) in the first quadrant of the Milky Way. With these measurements combined with other BeSSel projects’ published and un-published parallax and proper motion measurements of maser sources associated with HMSFRs within the 4 kpc region of the Galactic centre\, we present evidence that the young HMSFRs in the inner galaxy are located in the gases following ’quasi-elliptical’ orbits. These represent the first direct measurements of the dynamics of the Milky Way’s bar. \nWatch recording\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/sa-colloquium-jayender-kumar-csiro/
CATEGORIES:Colloquia
ATTACH;FMTTYPE=image/jpeg:https://www.atnf.csiro.au/wp-content/uploads/2024/12/Colloq-26042023-scaled.jpg
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