Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/24651
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Paccagnella, A. | en_US |
dc.contributor.author | Vulcani, Benedetta | en_US |
dc.contributor.author | POGGIANTI, Bianca Maria | en_US |
dc.contributor.author | MORETTI, ALESSIA | en_US |
dc.contributor.author | Fritz, J. | en_US |
dc.contributor.author | GULLIEUSZIK, MARCO | en_US |
dc.contributor.author | Couch, W. | en_US |
dc.contributor.author | BETTONI, Daniela | en_US |
dc.contributor.author | Cava, A. | en_US |
dc.contributor.author | D'Onofrio, M. | en_US |
dc.contributor.author | Fasano, G. | en_US |
dc.date.accessioned | 2020-05-08T13:57:51Z | - |
dc.date.available | 2020-05-08T13:57:51Z | - |
dc.date.issued | 2016 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/24651 | - |
dc.description.abstract | The star formation quenching depends on environment, but a full understanding of what mechanisms drive it is still missing. Exploiting a sample of galaxies with masses {M}<SUB>*</SUB>\gt {10}<SUP>9.8</SUP>{M}<SUB>☉ </SUB>, drawn from the WIde-field Nearby Galaxy-cluster Survey (WINGS) and its recent extension OMEGAWINGS, we investigate the star formation rate (SFR) as a function of stellar mass (M{}<SUB>*</SUB>) in galaxy clusters at 0.04\lt z\lt 0.07. We use non-member galaxies at 0.02 < z < 0.09 as a field control sample. Overall, we find agreement between the SFR-M{}<SUB>*</SUB> relation in the two environments, but detect a population of cluster galaxies with reduced SFRs, which is rare in the field. These transition galaxies are mainly found within the cluster virial radius (R<SUB>200</SUB>), but they impact on the SFR-M{}<SUB>*</SUB> relation only within 0.6R<SUB>200</SUB>. The ratio of transition to pure star-forming galaxies strongly depends on environment, being larger than 0.6 within 0.3R<SUB>200</SUB> and rapidly decreasing with distance, while it is almost flat with M<SUB>*</SUB>. As galaxies move downward from the SFR-M{}<SUB>*</SUB> main sequence, they become redder and present older luminosity- and mass-weighted ages. These trends, together with the analysis of the star formation histories, suggest that transition galaxies have had a reduced SFR for the past 2-5 Gyr. Our results are consistent with the hypothesis that the interaction of galaxies with the intracluster medium via strangulation causes a gradual shut down of star formation, giving birth to an evolved population of galaxies in transition from being star forming to becoming passive. | en_US |
dc.language.iso | eng | en_US |
dc.title | Slow Quenching of Star Formation in OMEGAWINGS Clusters: Galaxies in Transition in the Local Universe | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/2041-8205/816/2/L25 | en_US |
dc.identifier.scopus | 2-s2.0-84954307555 | en_US |
dc.identifier.isi | 000369370500007 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/2041-8205/816/2/L25 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 816 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | L25 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2016ApJ...816L..25P | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.orcid | 0000-0003-0980-1499 | - |
crisitem.author.orcid | 0000-0001-8751-8360 | - |
crisitem.author.orcid | 0000-0002-1688-482X | - |
crisitem.author.orcid | 0000-0002-7296-9780 | - |
crisitem.author.orcid | 0000-0002-4158-6496 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
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Paccagnella_2016_ApJL_816_L25.pdf | PDF editoriale | 780.63 kB | Adobe PDF | View/Open |
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