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  • Guglielmo, V.Laboratoire d'Astrophysique de Marseille,Università Degli Studi di Padova,University of Padua,Istituto nazionale di astrofisica (INAF) (author)

The XXL Survey: XXII. the XXL-North spectrophotometric sample and galaxy stellar mass function in X-ray detected groups and clusters

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-11-20
  • EDP Sciences,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:f113ecfc-ec20-4f23-924e-8c5c33b6dcab
  • https://doi.org/10.1051/0004-6361/201730709DOI
  • https://research.chalmers.se/publication/506717URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Context. The fraction of galaxies bound in groups in the nearby Universe is high (50% at z ∼ 0). Systematic studies of galaxy properties in groups are important in order to improve our understanding of the evolution of galaxies and of the physical phenomena occurring within this environment. Aims. We have built a complete spectrophotometric sample of galaxies within X-ray detected, optically spectroscopically confirmed groups and clusters (G&C), covering a wide range of halo masses at z ≤ 0.6. Methods. In the context of the XXL survey, we analyse a sample of 164 G&C in the XXL-North region (XXL-N), at z ≤ 0.6, with a wide range of virial masses (1.24 × 1013 ≤ M500,scal(Mo) ≤ 6.63 × 1014) and X-ray luminosities ((2.27 × 1041 ≤ L500,scalXXL(erg-s-1) ≤ 2.15 × 1044)). The G&C are X-ray selected and spectroscopically confirmed. We describe the membership assignment and the spectroscopic completeness analysis, and compute stellar masses. As a first scientific exploitation of the sample, we study the dependence of the galaxy stellar mass function (GSMF) on global environment. Results. We present a spectrophotometric characterisation of the G&C and their galaxies. The final sample contains 132 G&C, 22 111 field galaxies and 2225 G&C galaxies with r-band magnitude <20. Of the G&C, 95% have at least three spectroscopic members, and 70% at least ten. The shape of the GSMF seems not to depend on environment (field versus G&C) or X-ray luminosity (used as a proxy for the virial mass of the system). These results are confirmed by the study of the correlation between mean stellar mass of G&C members and L500,scalXXL. We release the spectrophotometric catalogue of galaxies with all the quantities computed in this work. Conclusions. As a first homogeneous census of galaxies within X-ray spectroscopically confirmed G&C at these redshifts, this sample will allow environmental studies of the evolution of galaxy properties.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Poggianti, B. M.Istituto nazionale di astrofisica (INAF) (author)
  • Vulcani, B.University of Melbourne,Istituto nazionale di astrofisica (INAF) (author)
  • Adami, C.Laboratoire d'Astrophysique de Marseille (author)
  • Gastaldello, F.Istituto nazionale di astrofisica (INAF) (author)
  • Ettori, S.Istituto nazionale di astrofisica (INAF) (author)
  • Fotoupoulou, S.Université de Genève,University of Geneva (author)
  • Koulouridis, E.Université Paris-Saclay,University Paris-Saclay (author)
  • Ramos-Ceja, M. E.Universität Bonn,University of Bonn (author)
  • Giles, P.University of Bristol (author)
  • McGee, Sean L.University of Birmingham (author)
  • Altiéri, B.European Space Astronomy Centre (ESAC) (author)
  • Baldry, I.Liverpool John Moores University (author)
  • Birkinshaw, M.University of Bristol (author)
  • Bolzonella, M.Istituto nazionale di astrofisica (INAF) (author)
  • Bongiorno, A.Osservatorio Astronomico di Roma (author)
  • Brown, M.Monash University (author)
  • Chiappetti, L.Istituto nazionale di astrofisica (INAF) (author)
  • Driver, S.University of St Andrews,University of Western Australia (author)
  • Elyiv, A.Universita di Bologna,University of Bologna,Main Astronomical Observatory Nasu (author)
  • Evrard, A. E.University of Michigan (author)
  • Garilli, B.Istituto nazionale di astrofisica (INAF) (author)
  • Grootes, M.European Space Research and Technology Centre (ESA ESTEC) (author)
  • Guennou, L.University of KwaZulu-Natal (author)
  • Hopkins, A.Australian Astronomical Observatory (author)
  • Horellou, Cathy,1967Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)horellou (author)
  • Iovino, A.Istituto nazionale di astrofisica (INAF) (author)
  • Lidman, C.Australian Astronomical Observatory (author)
  • Liske, J.Universität Hamburg,University of Hamburg (author)
  • Maurogordato, S.Université Nice Sophia Antipolis (UNS) (author)
  • Owers, M.Macquarie University (author)
  • Pacaud, F.Universität Bonn,University of Bonn (author)
  • Paltani, S.Université de Genève,University of Geneva (author)
  • Pierre, M.Université Paris-Saclay,University Paris-Saclay (author)
  • Plionis, M.Instituto Nacional de Astrofísica, Óptica y Electrońica (INAOE),National Institute of Astrophysics, Optics and Electronics (INAOE),National Observatory of Athens,Aristotelio Panepistimio Thessalonikis,Aristotle University of Thessaloniki (author)
  • Ponman, T. J.University of Birmingham (author)
  • Robotham, A.University of Western Australia (author)
  • Sadibekova, T.Université Paris-Saclay,University Paris-Saclay,Uzbekistan Academy of Sciences (author)
  • Scodeggio, M.Istituto nazionale di astrofisica (INAF) (author)
  • Sereno, M.Universita di Bologna,University of Bologna,Istituto nazionale di astrofisica (INAF) (author)
  • Smolcic, V.Sveučilište u Zagrebu,University of Zagreb (author)
  • Tuffs, R.European Space Research and Technology Centre (ESA ESTEC) (author)
  • Valtchanov, I.European Space Astronomy Centre (ESAC) (author)
  • Vignali, CristianUniversita di Bologna,University of Bologna,Istituto nazionale di astrofisica (INAF) (author)
  • Willis, J.University of Victoria (author)
  • Laboratoire d'Astrophysique de MarseilleUniversità Degli Studi di Padova (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences6200004-63611432-0746

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