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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20190214T103000
DTEND;TZID=Atlantic/Canary:20190214T113000
UID:iactalks-1242
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/1242
CREATED:2019-02-14T10:30:00+00:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The rich population of jellyfish galaxies in Abell 901/2 at z ~ 0.1
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DESCRIPTION:The rich population of jellyfish galaxies in Abell 901/2 at z ~
  0.165\nDr. Ana Chies Santos\n\nThe bimodal distribution of red and blue g
 alaxies can often be linked through a quenching mechanism that can attenua
 te the active star forming galaxies into passive ones. Both environment an
 d the stellar mass play an important role in this transition. The ram pres
 sure stripping (RPS) is an important environmental mechanism in dense envi
 ronments that can severely change the properties and morphology of galaxie
 s. The most extreme cases of galaxies undergoing RPS are known as jellyfis
 h galaxies. Studying this transitioning piece is crucial to improve our un
 derstanding of the evolutionary path of galaxies and how quenching succeed
 s in galaxy clusters. However, jellyfish galaxies are not well characteris
 ed morphologically and finding them is still a complex task based mainly o
 n visual inspection. We present the results of a comprehensive study on th
 e properties of a large sample of jellyfish candidates in the multi-cluste
 r system A901/2. We find evidence that the multi-cluster is triggering the
  effects of RPS in preferential regions in the system and that these galax
 ies show an enhancement in their star formation rates. We also use the sof
 tware Morfometryka in order to analyse the unique morphometric features in
  jellyfish galaxies providing a better comprehension of their physical sta
 te and future. This can help unravel the physical processes behind such ex
 treme morphologies as well as helping to automatise the search for jellyfi
 sh galaxy candidates in large surveys.
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