Systematic analysis of jellyfish galaxy candidates in Fornax, Antlia, and Hydra from the S-PLUS survey: a self-supervised visual identification aid

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dc.contributor.authorGondhalekar Y.
dc.contributor.authorChies-Santos A.L.
dc.contributor.authorDe Souza R.S.
dc.contributor.authorQueiroz C.
dc.contributor.authorLopes A.R.
dc.contributor.authorFerrari F.
dc.contributor.authorAzevedo G.M.
dc.contributor.authorMonteiro-Pereira H.
dc.contributor.authorOverzier R.
dc.contributor.authorCastelli A.V.S.
dc.contributor.authorJaffe Y.L.
dc.contributor.authorHaack R.F.
dc.contributor.authorRahna P.T.
dc.contributor.authorShen S.
dc.contributor.authorMu Z.
dc.contributor.authorLima-Dias C.
dc.contributor.authorBarbosa C.E.
dc.contributor.authorSchwarz G.B.O.
dc.contributor.authorRiffel R.
dc.contributor.authorJimenez-Teja Y.
dc.contributor.authorGrossi M.
dc.contributor.authorDe Oliveira C.L.M.
dc.contributor.authorSchoenell W.
dc.contributor.authorRibeiro T.
dc.contributor.authorKanaan A.
dc.date.accessioned2024-08-01T06:16:34Z
dc.date.available2024-08-01T06:16:34Z
dc.date.issued2024
dc.description.abstract© 2024 The Author(s).We study 51 jellyfish galaxy candidates in the Fornax, Antlia, and Hydra clusters. These candidates are identified using the JClass scheme based on the visual classification of wide-field, twelve-band optical images obtained from the Southern Photometric Local Universe Survey. A comprehensive astrophysical analysis of the jellyfish (JClass > 0), non-jellyfish (JClass = 0), and independently organized control samples is undertaken. We develop a semi-automated pipeline using self-supervised learning and similarity search to detect jellyfish galaxies. The proposed framework is designed to assist visual classifiers by providing more reliable JClasses for galaxies. We find that jellyfish candidates exhibit a lower Gini coefficient, higher entropy, and a lower 2D Sérsic index as the jellyfish features in these galaxies become more pronounced. Jellyfish candidates show elevated star formation rates (including contributions from the main body and tails) by 1.75 dex, suggesting a significant increase in the SFR caused by the ram-pressure stripping phenomenon. Galaxies in the Antlia and Fornax clusters preferentially fall towards the cluster's centre, whereas only a mild preference is observed for Hydra galaxies. Our self-supervised pipeline, applied in visually challenging cases, offers two main advantages: it reduces human visual biases and scales effectively for large data sets. This versatile framework promises substantial enhancements in morphology studies for future galaxy image surveys.
dc.description.firstpage270
dc.description.issuenumber1
dc.description.lastpage294
dc.description.volume532
dc.identifier.doi10.1093/mnras/stae1410
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/39038
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.rightsAcesso Aberto
dc.subject.otherlanguagegalaxies: clusters: general
dc.subject.otherlanguagegalaxies: evolution
dc.subject.otherlanguagemethods: statistical
dc.subject.otherlanguagesurveys
dc.subject.otherlanguagetechniques: photometric
dc.titleSystematic analysis of jellyfish galaxy candidates in Fornax, Antlia, and Hydra from the S-PLUS survey: a self-supervised visual identification aid
dc.typeArtigo
local.scopus.citations2
local.scopus.eid2-s2.0-85197898182
local.scopus.subjectGalaxies: clusters: General
local.scopus.subjectGalaxy evolution
local.scopus.subjectHydra clusters
local.scopus.subjectMethods:statistical
local.scopus.subjectOptical image
local.scopus.subjectSystematic analysis
local.scopus.subjectTechniques: photometric
local.scopus.subjectVisual classification
local.scopus.subjectVisual identification
local.scopus.subjectWide-field
local.scopus.updated2025-04-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85197898182&origin=inward
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