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  • Ricci, M.Observatoire de la Cote d'Azur,Université Savoie Mont Blanc,Savoie Mont Blanc University (author)

The XXL Survey: XLIV. Sunyaev-Zel'dovich mapping of a low-mass cluster at z ∼1: A multi-wavelength approach

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • 2020-10-13
  • EDP Sciences,2020
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:cbee9ed3-e4b4-4e3a-9326-f455ea953cad
  • https://research.chalmers.se/publication/520055URI
  • https://doi.org/10.1051/0004-6361/201937249DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

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

Notes

  • High-mass clusters at low redshifts have been intensively studied at various wavelengths. However, while more distant objects at lower masses constitute the bulk population of future surveys, their physical state remain poorly explored to date. In this paper, we present resolved observations of the Sunyaev-Zel'dovich (SZ) effect, obtained with the NIKA2 camera, towards the cluster of galaxies XLSSC 102, a relatively low-mass system (M500 ∼ 2 × 1014 M·) at z = 0.97 detected from the XXL survey. We combine NIKA2 SZ data, XMM-Newton X-ray data, and Megacam optical data to explore, respectively, the spatial distribution of the gas electron pressure, the gas density, and the galaxies themselves. We find significant offsets between the X-ray peak, the SZ peak, the brightest cluster galaxy, and the peak of galaxy density. Additionally, the galaxy distribution and the gas present elongated morphologies. This is interpreted as the sign of a recent major merging event, which induced a local boost of the gas pressure towards the north of XLSSC 102 and stripped the gas out of the galaxy group. The NIKA2 data are also combined with XXL data to construct the thermodynamic profiles of XLSSC 102, obtaining relatively tight constraints up to about ∼r500, and revealing properties that are typical of disturbed systems. We also explore the impact of the cluster centre definition and the implication of local pressure substructure on the recovered profiles. Finally, we derive the global properties of XLSSC 102 and compare them to those of high-mass-and-low-redshift systems, finding no strong evidence for non-standard evolution. We also use scaling relations to obtain alternative mass estimates from our profiles. The variation between these different mass estimates reflects the difficulty to accurately measure the mass of low-mass clusters at z ∼ 1, especially with low signal-to-noise ratio data and for a disturbed system. However, it also highlights the strength of resolved SZ observations alone and in combination with survey-like X-ray data. This is promising for the study of high redshift clusters from the combination of eROSITA and high resolution SZ instruments and will complement the new generation of optical surveys from facilities such as LSST and Euclid.

Subject headings and genre

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

  • Adam, R. M.Centro de Estudios de Física del Cosmos de Aragón,École polytechnique (author)
  • Eckert, D.Université de Genève,University of Geneva (author)
  • Ade, P.,Cardiff University (author)
  • André, P.Université Paris-Saclay,University Paris-Saclay (author)
  • Andrianasolo, A.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Altiéri, B.European Space Astronomy Centre (ESAC) (author)
  • Aussel, H.Université Paris-Saclay,University Paris-Saclay (author)
  • Beelen, A.Institut d'Astrophysique Spatiale (author)
  • Benoist, C.Observatoire de la Cote d'Azur (author)
  • Benoît, A.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Berta, S.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Bideaud, A.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Birkinshaw, M.University of Bristol (author)
  • Bourrion, O.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Boutigny, D.Université Savoie Mont Blanc,Savoie Mont Blanc University (author)
  • Bremer, M.University of Bristol (author)
  • Calvo, M.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Cappi, A.Observatoire de la Cote d'Azur,Istituto nazionale di astrofisica (INAF) (author)
  • Chiappetti, L.Istituto nazionale di astrofisica (INAF) (author)
  • Catalano, A.Université Grenoble Alpes,Grenoble Alpes University (author)
  • De Petris, M.Universita degli Studi di Roma la Sapienza,Sapienza University of Rome (author)
  • Désert, F. X.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Doyle, S.Cardiff University (author)
  • Driessen, E. F.C.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Faccioli, L.Université Paris-Saclay,University Paris-Saclay (author)
  • Ferrari, C.Observatoire de la Cote d'Azur (author)
  • Fotopoulou, S.Durham University (author)
  • Gastaldello, F.Istituto nazionale di astrofisica (INAF) (author)
  • Giles, P.University of Bristol (author)
  • Gomez, A.Centro de Astrobiologia (CAB) (author)
  • Goupy, J.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Hahn, O.Observatoire de la Cote d'Azur (author)
  • Horellou, Cathy,1967Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)horellou (author)
  • Kéruzoré, F.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Koulouridis, E.Université Paris-Saclay,University Paris-Saclay,National Observatory of Athens (author)
  • Kramer, C.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Ladjelate, B.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Lagache, GuilaineLaboratoire d'Astrophysique de Marseille (author)
  • Leclercq, S.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Lestrade, J.F.Observatoire de Paris,Paris Observatory (author)
  • Maciás-Pérez, J. F.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Maughan, B.University of Bristol (author)
  • Maurogordato, S.Observatoire de la Cote d'Azur (author)
  • Mauskopf, P. D.Cardiff University,Arizona State University (author)
  • Monfardini, A.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Pacaud, F.Universität Bonn,University of Bonn (author)
  • Perotto, L.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Pierre, M.Université Paris-Saclay,University Paris-Saclay (author)
  • Pisano, G.Cardiff University (author)
  • Pompei, E.European Southern Observatory Santiago (author)
  • Ponthieu, N.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Revéret, V.Université Paris-Saclay,University Paris-Saclay (author)
  • Ritacco, A.Ecole Normale Superieure (ENS),Institut d'Astrophysique Spatiale (author)
  • Romero, C.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Roussel, H. (author)
  • Ruppin, F.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Sánchez Portal, M.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Schuster, K.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Sereno, M.Istituto nazionale di astrofisica (INAF),Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics (author)
  • Shu, S.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Sievers, A.Institut de Radioastronomie Millimétrique (IRAM) (author)
  • Tucker, C.Cardiff University (author)
  • Umetsu, K.Academia Sinica Taiwan (author)
  • Observatoire de la Cote d'AzurUniversité Savoie Mont Blanc (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences6420004-63611432-0746

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