Resolving high-z galaxy cluster properties through joint X-ray and millimeter analysis: Case study of SPT-CLJ0615-5746

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Volume 688 (August 2024)

A&A, 688 (2024) A76

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Table 1.

Main properties of SPT-CLJ0615-5746.

SPT-CLJ0615-5746
X-ray peak (RA, Dec)	93.9663 −57.7797

z	0.972

$M_{500}^{SPT} [10^{14} M_{⊙}]$ $M^{\text{ SPT}}_{500}\,[10^{14}\,M_{\odot}]$	$10 . 16_{- 1.20}^{+ 0.98}$ $10.16^{+0.98}_{-1.20}$

$R_{500}^{SPT} [arcmin]$ $R^{\text{ SPT}}_{500}\,[\mathrm{arcmin}]$	$2 . 22_{- 0.09}^{+ 0.07}$ $2.22^{+0.07}_{-0.09}$

$R_{500}^{SPT} [kpc]$ $R^{\text{ SPT}}_{500}\,[\mathrm{kpc}]$	$1059 . 34_{- 41.71}^{+ 34.06}$ $1059.34^{+34.06}_{-41.71}$

S/N	26.4

Notes. The cluster coordinates correspond to the X-ray peaks. $M_{500}^{SPT}$ $M^{\text{ SPT}}_{500}$ , redshift, and signal-to-noise ratio S/N come from the SPT catalog (Bleem et al. 2015); we used these values to derive $R_{500}^{SPT}$ $R^{\text{ SPT}}_{500}$ . The published SPT masses are the estimated true mass from the SZ signal, while the Planck masses are derived from the Y_SZ − M₅₀₀ relation and are not corrected for hydrostatic bias.

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