The XXL Survey. V. Detection of the Sunyaev-Zel'Dovich Effect of the Redshift 1.9 Galaxy Cluster XLSSU J021744.1-034536 With Carma

We report the detection of the Sunyaev-Zel'dovich (SZ) effect of galaxy cluster XLSSU J021744.1-034536, using 30 GHz Combined Array for Research in Millimeter-wave Astronomy (CARMA) data. This cluster was discovered via its extended X-ray emission in the XMM-Newton Large Scale Structure survey, the precursor to the XXL survey. It has a photometrically determined redshift z = 1.91(-0.21)(+0.19), making it among the most distant clusters known, and nominally the most distant for which the SZ effect has been measured. The spherically integrated Comptonization is Y-500 = (3.0 +/- 0.4) x 10(-12), a measurement that is relatively insensitive to assumptions regarding the size and redshift of the cluster, as well as the background cosmology. Using a variety of locally calibrated cluster scaling relations extrapolated to z similar to 2, we estimate a mass M-500 similar to (1-2) x 10(14) M-circle dot from the X-ray flux and SZ signal. The measured properties of this cluster are in good agreement with the extrapolation of an X-ray luminosity-SZ effect scaling relation calibrated from clusters discovered by the South Pole Telescope at higher masses and lower redshifts. The full XXL-CARMA sample will provide a more complete, multi-wavelength census of distant clusters in order to robustly extend the calibration of cluster scaling relations to these high redshifts.

NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
galaxies: clusters: individual (XLSSU J021744.1-034536)
galaxies: clusters: intracluster medium
X-rays: galaxies: clusters

Abdulla, Z.University of Chicago (author)
Carlstrom, J. E.University of Chicago (author)
Greer, C. H.University of Arizona (author)
Leitch, E. M.University of Chicago (author)
Marrone, D. P.University of Arizona (author)
Muchovej, S.California Institute of Technology (Caltech) (author)
Adami, C.Laboratoire d'Astrophysique de Marseille (author)
Birkinshaw, M.University of Bristol (author)
Bremer, M.University of Bristol (author)
Clerc, N.Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG) (author)
Giles, P.University of Bristol (author)
Horellou, Cathy,1967Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)horellou (author)
Maughan, B.University of Bristol (author)
Pacaud, F. (author)
Pierre, M.Le Commissariat à l’Énergie Atomique et aux Énergies Alternatives (CEA),The French Alternative Energies and Atomic Energy Commission (CEA) (author)
Willis, J.University of Victoria (author)
University of ChicagoUniversity of Arizona (creator_code:org_t)

By the author/editor: Mantz, A. B.; Abdulla, Z.; Carlstrom, J. E.; Greer, C. H.; Leitch, E. M.; Marrone, D. P.; show more...; Muchovej, S.; Adami, C.; Birkinshaw, M.; Bremer, M.; Clerc, N.; Giles, P.; Horellou, Cathy, ...; Maughan, B.; Pacaud, F.; Pierre, M.; Willis, J.; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Astronomy Astrop ...

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