The XXL survey. V. Detection of the Sunyaev-Zel'dovich effect of the redshift 1.9 Galaxy cluster XLSSU J021744.1-034536 with CARMA

A. B. Mantz, Z. Abdulla, J. E. Carlstrom, C. H. Greer, E. M. Leitch, D. P. Marrone, S. Muchovej, C. Adami, M. Birkinshaw, M. Bremer, N. Clerc, P. Giles, C. Horellou, B. Maughan, F. Pacaud, M. Pierre, J. Willis

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

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 , 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) × 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 2, we estimate a mass M 500 (1-2) × 1014 M 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.

Original languageEnglish (US)
Article number157
JournalAstrophysical Journal
Volume794
Issue number2
DOIs
StatePublished - Oct 20 2014

Keywords

  • X-rays: galaxies: clusters
  • galaxies: clusters: individual (XLSSU J021744.1-034536)
  • galaxies: clusters: intracluster medium

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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    Mantz, A. B., Abdulla, Z., Carlstrom, J. E., Greer, C. H., Leitch, E. M., Marrone, D. P., Muchovej, S., Adami, C., Birkinshaw, M., Bremer, M., Clerc, N., Giles, P., Horellou, C., Maughan, B., Pacaud, F., Pierre, M., & Willis, J. (2014). The XXL survey. V. Detection of the Sunyaev-Zel'dovich effect of the redshift 1.9 Galaxy cluster XLSSU J021744.1-034536 with CARMA. Astrophysical Journal, 794(2), [157]. https://doi.org/10.1088/0004-637X/794/2/157