Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/240271
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Star formation quenching stages of active and non-active galaxies |
Autor: | Kalinova, V.; Colombo, D.; Sánchez, S. F.; Kodaira, K.; García-Benito, Rubén CSIC ORCID ; González Delgado, Rosa M. CSIC ORCID ; Rosolowsky, E.; Lacerda, E.A.D. | Palabras clave: | Galaxies: evolution Galaxies: structure Galaxies: star formation Galaxies: active Galaxies: nuclei Galaxies: fundamental parameters |
Fecha de publicación: | 12-abr-2021 | Editor: | EDP Sciences | Citación: | Astronomy & Astrophysics (648): A64 (2021) | Resumen: | The mechanisms that bring galaxies to strongly reduce their star formation activity (star-formation quenching) remain poorly understood. To better study galaxy evolution, we propose a classification based on maps of ionised hydrogen distribution traced by the kiloparsec-resolved, equivalent width of Hα maps, and the nuclear activity of the galaxies using information from the Baldwin-Philips-Terlevich diagnostic diagrams. Using these tools, we group a sample of 238 galaxies from the Calar Alto Legacy Integral Field spectroscopy Area survey in six quenching stages (QSs): (i) objects dominated by recent star formation; (ii) systems that present a quiescent-nuclear-ring structure in their centre; (iii) galaxies that are centrally quiescent; (iv) galaxies with no clear pattern in their ionisation gas distribution (mixed); (v) systems that posses only a few star-forming regions (nearly retired), or (vi) galaxies that are completely quiescent (fully retired). Regarding their nuclear activity, we further divide the galaxies into two groups: active systems that host a weak or strong active galactic nucleus (AGN) at their centre, and non-active objects. Galaxies grouped into quenching-stage classes occupy specific locations on the star-formation-rate versus stellar mass diagram. The 'blue cloud' is populated by the star-forming and the quiescent-nuclear-ring galaxies, the 'green valley' is populated by centrally quiescent and mixed systems, and the 'red sequence' by the nearly- and fully retired objects. Generally, galaxies that host a weak or strong AGN show properties comparable to those of their non-active counterparts at the same QSs, except for the AGN-hosting star-forming systems. The degree of star-formation quenching increases along the present emission-line pattern sequence from star-forming to fully retired. The proposed emission-line classes reinforce the 'inside-out' quenching scenario, which foresees that the suppression of star formation begins from the central regions of the galaxies. © V. Kalinova et al. 2021. | Descripción: | Open Access article, published by EDP Sciences, under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | Versión del editor: | http://dx.doi.org/10.1051/0004-6361/202039896 | URI: | http://hdl.handle.net/10261/240271 | DOI: | 10.1051/0004-6361/202039896 | ISSN: | 0004-6361 | E-ISSN: | 1432-0746 |
Aparece en las colecciones: | (IAA) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
2021AA...648A..64K.pdf | 15,42 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
20
checked on 20-abr-2024
WEB OF SCIENCETM
Citations
16
checked on 29-feb-2024
Page view(s)
69
checked on 23-abr-2024
Download(s)
55
checked on 23-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
Este item está licenciado bajo una Licencia Creative Commons