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DTSTART;TZID=Europe/Rome:20171114T114500
DTEND;TZID=Europe/Rome:20171114T124500
DTSTAMP:20260428T145940
CREATED:20170816T115844Z
LAST-MODIFIED:20170816T115844Z
UID:4721-1510659900-1510663500@www.oa-roma.inaf.it
SUMMARY:Main Sequence Multiple Populations in Large Magellanic Cloud Globular Clusters
DESCRIPTION:Six Large Magellanic Cloud (LMC) globular clusters (GCs) (NGC 1466\, NGC 1841\, NGC 2210\, NGC 2257\, Hodge 11\, and Reticulum) have been analyzed for multiple stellar populations with the Hubble Space Telescope (GO-14164). This is the first such study for ancient (ages > 13 Gyr) clusters in the LMC. We find that five out of the six GCs examined show evidence for multiple populations in the main sequence. One cluster (Hodge 11) shows irregularities in its horizontal branch that may indicate the presence of a 0.1 dex internal helium abundance spread.
URL:https://www.oa-roma.inaf.it/event/talk-by-christina-gilligan-2/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Rome:20171114T114500
DTEND;TZID=Europe/Rome:20171114T124500
DTSTAMP:20260428T145940
CREATED:20170816T115844Z
LAST-MODIFIED:20170816T115844Z
UID:3396-1510659900-1510663500@www.oa-roma.inaf.it
SUMMARY:Main Sequence Multiple Populations in Large Magellanic Cloud Globular Clusters
DESCRIPTION:Six Large Magellanic Cloud (LMC) globular clusters (GCs) (NGC 1466\, NGC 1841\, NGC 2210\, NGC 2257\, Hodge 11\, and Reticulum) have been analyzed for multiple stellar populations with the Hubble Space Telescope (GO-14164). This is the first such study for ancient (ages > 13 Gyr) clusters in the LMC. We find that five out of the six GCs examined show evidence for multiple populations in the main sequence. One cluster (Hodge 11) shows irregularities in its horizontal branch that may indicate the presence of a 0.1 dex internal helium abundance spread.
URL:https://www.oa-roma.inaf.it/event/talk-by-christina-gilligan/
LOCATION:Aula Gratton
CATEGORIES:Seminari
END:VEVENT
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