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Verfasst von:Rodríguez-Martín, Julio E. [VerfasserIn]   i
 Delgado, R. M. González [VerfasserIn]   i
 Martínez-Solaeche, G. [VerfasserIn]   i
 Díaz-García, L. A. [VerfasserIn]   i
 Amorim, A. de [VerfasserIn]   i
 García-Benito, R. [VerfasserIn]   i
 Pérez, E. [VerfasserIn]   i
 Fernandes, R. Cid [VerfasserIn]   i
 Carrasco, E. R. [VerfasserIn]   i
 Maturi, Matteo [VerfasserIn]   i
 Finoguenov, A. [VerfasserIn]   i
 Lopes, P. a. A. [VerfasserIn]   i
 Cortesi, A. [VerfasserIn]   i
 Lucatelli, G. [VerfasserIn]   i
 Diego, J. M. [VerfasserIn]   i
 Chies-Santos, A. L. [VerfasserIn]   i
 Dupke, R. A. [VerfasserIn]   i
 Jiménez-Teja, Y. [VerfasserIn]   i
 Vílchez, J. M. [VerfasserIn]   i
 Abramo, L. R. [VerfasserIn]   i
 Alcaniz, J. [VerfasserIn]   i
 Benítez, N. [VerfasserIn]   i
 Bonoli, S. [VerfasserIn]   i
 Cenarro, A. J. [VerfasserIn]   i
 Cristóbal-Hornillos, D. [VerfasserIn]   i
 Ederoclite, A. [VerfasserIn]   i
 Hernán-Caballero, A. [VerfasserIn]   i
 López-Sanjuan, C. [VerfasserIn]   i
 Marín-Franch, A. [VerfasserIn]   i
 Oliveira, C. Mendes de [VerfasserIn]   i
 Moles, M. [VerfasserIn]   i
 Sodré, L. [VerfasserIn]   i
 Taylor, K. [VerfasserIn]   i
 Varela, J. [VerfasserIn]   i
 Ramió, H. Vázquez [VerfasserIn]   i
 Márquez, I. [VerfasserIn]   i
Titel:The miniJPAS survey - Galaxy populations in the most massive cluster in miniJPAS
Titelzusatz:mJPC2470-1771
Verf.angabe:J.E. Rodríguez-Martín, R.M. González Delgado, G. Martínez-Solaeche, L.A. Díaz-García, A. de Amorim, R. García-Benito, E. Pérez, R. Cid Fernandes, E.R. Carrasco, M. Maturi, A. Finoguenov, P. a. A. Lopes, A. Cortesi, G. Lucatelli, J.M. Diego, A.L. Chies-Santos, R.A. Dupke, Y. Jiménez-Teja, J.M. Vílchez, L.R. Abramo, J. Alcaniz, N. Benítez, S. Bonoli, A.J. Cenarro, D. Cristóbal-Hornillos, A. Ederoclite, A. Hernán-Caballero, C. López-Sanjuan, A. Marín-Franch, C. Mendes de Oliveira, M. Moles, L. Sodré, K. Taylor, J. Varela, H. Vázquez Ramió, and I. Márquez
E-Jahr:2022
Jahr:21 October 2022
Umfang:24 S.
Illustrationen:Illustrationen
Fussnoten:Gesehen am 01.02.2023
Titel Quelle:Enthalten in: Astronomy and astrophysics
Ort Quelle:Les Ulis : EDP Sciences, 1969
Jahr Quelle:2022
Band/Heft Quelle:666(2022) vom: Okt., Artikel-ID A160, Seite 1-24
ISSN Quelle:1432-0746
Abstract:The Javalambre-Physics of the Accelerating Universe Astrophysical Survey (J-PAS) is a photometric survey that is poised to scan several thousands of square degrees of the sky. It will use 54 narrow-band filters, combining the benefits of low-resolution spectra and photometry. Its offshoot, miniJPAS, is a 1 deg 2 survey that uses J-PAS filter system with the Pathfinder camera. In this work, we study mJPC2470-1771, the most massive cluster detected in miniJPAS. We survey the stellar population properties of the members, their star formation rates (SFR), star formation histories (SFH), the emission line galaxy (ELG) population, spatial distribution of these properties, and the ensuing effects of the environment. This work shows the power of J-PAS to study the role of environment in galaxy evolution. We used a spectral energy distribution (SED) fitting code to derive the stellar population properties of the galaxy members: stellar mass, extinction, metallicity, (u − r) res and (u − r) int colours, mass-weighted age, the SFH that is parametrised by a delayed-τ model (τ, t 0), and SFRs. We used artificial neural networks for the identification of the ELG population via the detection of the H α, [NII], H β, and [OIII] nebular emission. We used the Ew(H α)-[NII] (WHAN) and [OIII]/H α-[NII]/H α (BPT) diagrams to separate them into individual star-forming galaxies and AGNs. We find that the fraction of red galaxies increases with the cluster-centric radius; and at 0.5 R 200 the red and blue fractions are both equal. The redder, more metallic, and more massive galaxies tend to be inside the central part of the cluster, whereas blue, less metallic, and less massive galaxies are mainly located outside of the inner 0.5 R 200. We selected 49 ELG, with 65.3% of them likely to be star-forming galaxies, dominated by blue galaxies, and 24% likely to have an AGN (Seyfert or LINER galaxies). The rest are difficult to classify and are most likely composite galaxies. These latter galaxies are red, and their abundance decreases with the cluster-centric radius; in contrast, the fraction of star-forming galaxies increases outwards up toR 200. Our results are compatible with an scenario in which galaxy members were formed roughly at the same epoch, but blue galaxies have had more recent star formation episodes, and they are quenching out from within the cluster centre. The spatial distribution of red galaxies and their properties suggest that they were quenched prior to the cluster accretion or an earlier cluster accretion epoch. AGN feedback or mass might also stand as an obstacle in the quenching of these galaxies.
DOI:doi:10.1051/0004-6361/202243245
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1051/0004-6361/202243245
 Volltext: https://www.aanda.org/articles/aa/abs/2022/10/aa43245-22/aa43245-22.html
 DOI: https://doi.org/10.1051/0004-6361/202243245
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1832912558
Verknüpfungen:→ Zeitschrift

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