XLSSC 122 caught in the act of growing up - Spatially resolved SZ observations of a z = 1.98 galaxy cluster

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Volume 689 (September 2024)

A&A, 689 (2024) A41

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Table 1.

Most likely parameters for a single SZ component, modeled with a gNFW (upper) and the empirical formalism (lower).

ALMA+ACA: Single theoretical-model posterior values

Model type	\|Δ ln𝒵\|	$σ_{eff}^{(†)}$ $\sigma_{\mathrm{eff}}^{(\dagger)}$	ΔRA	ΔDec	P₀	r_s	e	PA	α	β	γ
–	–	–	[″]	[″]	[keV cm⁻³]	[°]	–	[°]	–	–	–
gNFW	59.9	10.9	$- 0 . 5_{- 0.9}^{+ 0.9}$ $-0.5^{+0.9}_{-0.9}$	$11 . 0_{- 1.2}^{+ 1.2}$ $11.0^{+1.2}_{-1.2}$	$0 . 07_{- 0.02}^{+ 0.02}$ $0.07^{+0.02}_{-0.02}$	$0 . 011_{- 0.002}^{+ 0.003}$ $0.011^{+0.003}_{-0.002}$	0.00	0.0	1.0510	5.4905	0.3081
gNFW	59.8	10.9	$- 0 . 9_{- 1.0}^{+ 1.0}$ $-0.9^{+1.0}_{-1.0}$	$10 . 7_{- 1.2}^{+ 1.2}$ $10.7^{+1.2}_{-1.2}$	$0 . 48_{- 0.29}^{+ 0.31}$ $0.48^{+0.31}_{-0.29}$	$0 . 007_{- 0.001}^{+ 0.002}$ $0.007^{+0.002}_{-0.001}$	0.00	0.0	1.0510	5.4905	$- 0 . 51_{- 0.29}^{+ 0.44}$ $-0.51^{+0.44}_{-0.29}$
gNFW	59.5	10.9	$- 0 . 9_{- 1.0}^{+ 0.9}$ $-0.9^{+0.9}_{-1.0}$	$10 . 7_{- 1.2}^{+ 1.2}$ $10.7^{+1.2}_{-1.2}$	$0 . 43_{- 0.26}^{+ 0.34}$ $0.43^{+0.34}_{-0.26}$	$0 . 010_{- 0.004}^{+ 0.004}$ $0.010^{+0.004}_{-0.004}$	0.00	0.0	1.0510	$7 . 1_{- 2.5}^{+ 1.9}$ $7.1^{+1.9}_{-2.5}$	$- 0 . 44_{- 0.30}^{+ 0.42}$ $-0.44^{+0.42}_{-0.30}$
gNFW	57.7	10.7	$- 0 . 8_{- 1.0}^{+ 1.0}$ $-0.8^{+1.0}_{-1.0}$	$10 . 7_{- 1.2}^{+ 1.4}$ $10.7^{+1.4}_{-1.2}$	$0 . 18_{- 0.13}^{+ 0.38}$ $0.18^{+0.38}_{-0.13}$	$0 . 008_{- 0.004}^{+ 0.008}$ $0.008^{+0.008}_{-0.004}$	0.00	0.0	$1 . 3_{- 0.4}^{+ 2.1}$ $1.3^{+2.1}_{-0.4}$	$5 . 8_{- 3.0}^{+ 2.5}$ $5.8^{+2.5}_{-3.0}$	$- 0 . 17_{- 0.42}^{+ 0.53}$ $-0.17^{+0.53}_{-0.42}$
gNFW	62.0	11.1	$- 0 . 4_{- 0.8}^{+ 0.8}$ $-0.4^{+0.8}_{-0.8}$	$10 . 9_{- 1.3}^{+ 1.3}$ $10.9^{+1.3}_{-1.3}$	$0 . 11_{- 0.03}^{+ 0.04}$ $0.11^{+0.04}_{-0.03}$	$0 . 014_{- 0.002}^{+ 0.003}$ $0.014^{+0.003}_{-0.002}$	$0 . 52_{- 0.15}^{+ 0.12}$ $0.52^{+0.12}_{-0.15}$	$- 0 . 0_{- 10}^{+ 10}$ $-0.0^{+10}_{-10}$	1.0510	5.4905	0.3081
gNFW	60.7	11.0	$- 0 . 8_{- 1.0}^{+ 0.9}$ $-0.8^{+0.9}_{-1.0}$	$10 . 7_{- 1.4}^{+ 1.3}$ $10.7^{+1.3}_{-1.4}$	$0 . 39_{- 0.22}^{+ 0.36}$ $0.39^{+0.36}_{-0.22}$	$0 . 009_{- 0.002}^{+ 0.003}$ $0.009^{+0.003}_{-0.002}$	$0 . 51_{- 0.16}^{+ 0.13}$ $0.51^{+0.13}_{-0.16}$	$- 1 . 0_{- 11}^{+ 11}$ $-1.0^{+11}_{-11}$	1.0510	5.4905	$- 0 . 25_{- 0.35}^{+ 0.39}$ $-0.25^{+0.39}_{-0.35}$
gNFW	60.8	11.0	$- 0 . 8_{- 1.0}^{+ 0.9}$ $-0.8^{+0.9}_{-1.0}$	$10 . 6_{- 1.3}^{+ 1.4}$ $10.6^{+1.4}_{-1.3}$	$0 . 42_{- 0.24}^{+ 0.34}$ $0.42^{+0.34}_{-0.24}$	$0 . 013_{- 0.005}^{+ 0.005}$ $0.013^{+0.005}_{-0.005}$	$0 . 50_{- 0.16}^{+ 0.12}$ $0.50^{+0.12}_{-0.16}$	$- 1 . 5_{- 11}^{+ 11}$ $-1.5^{+11}_{-11}$	1.0510	$7 . 2_{- 2.4}^{+ 1.8}$ $7.2^{+1.8}_{-2.4}$	$- 0 . 28_{- 0.31}^{+ 0.37}$ $-0.28^{+0.37}_{-0.31}$
gNFW	59.5	10.9	$- 0 . 9_{- 0.9}^{+ 0.9}$ $-0.9^{+0.9}_{-0.9}$	$10 . 5_{- 1.4}^{+ 1.3}$ $10.5^{+1.3}_{-1.4}$	$0 . 17_{- 0.10}^{+ 0.28}$ $0.17^{+0.28}_{-0.10}$	$0 . 007_{- 0.003}^{+ 0.007}$ $0.007^{+0.007}_{-0.003}$	$0 . 52_{- 0.16}^{+ 0.12}$ $0.52^{+0.12}_{-0.16}$	$- 3 . 0_{- 11}^{+ 11}$ $-3.0^{+11}_{-11}$	$1 . 8_{- 0.80}^{+ 3.5}$ $1.8^{+3.5}_{-0.80}$	$5 . 1_{- 2.7}^{+ 2.9}$ $5.1^{+2.9}_{-2.7}$	$- 0 . 11_{- 0.48}^{+ 0.56}$ $-0.11^{+0.56}_{-0.48}$

ALMA+ACA: Single empirical-model posterior values

Model type	\|Δ ln𝒵\|	$σ_{eff}^{(†)}$ $\sigma_{\mathrm{eff}}^{(\dagger)}$	ΔRA	ΔDec	log M_500, c	e	PA	α	β	γ
–	–	–	[″]	[″]	[M_⊙]	–	[°]	–	–	–
A10-UPP	62.3	11.2	$- 0 . 3_{- 0.9}^{+ 0.8}$ $-0.3^{+0.8}_{-0.9}$	$11 . 0_{- 1.2}^{+ 1.3}$ $11.0^{+1.3}_{-1.2}$	$14 . 01_{- 0.03}^{+ 0.03}$ $14.01^{+0.03}_{-0.03}$	0.00	0.00	1.0510	5.4905	0.3081
A10-MD	62.6	11.2	$- 0 . 8_{- 1.0}^{+ 1.0}$ $-0.8^{+1.0}_{-1.0}$	$11 . 0_{- 1.3}^{+ 1.3}$ $11.0^{+1.3}_{-1.3}$	$14 . 00_{- 0.04}^{+ 0.04}$ $14.00^{+0.04}_{-0.04}$	0.00	0.00	1.4063	5.4905	0.3798
A10-CC	59.5	10.9	$0 . 2_{- 0.9}^{+ 0.9}$ $~~~0.2^{+0.9}_{-0.9}$	$10 . 9_{- 1.4}^{+ 1.5}$ $10.9^{+1.5}_{-1.4}$	$13 . 87_{- 0.04}^{+ 0.03}$ $13.87^{+0.03}_{-0.04}$	0.00	0.00	1.2223	5.4905	0.7736
M14-UPP	62.5	11.2	$- 1 . 1_{- 1.0}^{+ 1.0}$ $-1.1^{+1.0}_{-1.0}$	$10 . 7_{- 1.3}^{+ 1.3}$ $10.7^{+1.3}_{-1.3}$	$14 . 12_{- 0.04}^{+ 0.04}$ $14.12^{+0.04}_{-0.04}$	0.00	0.00	2.2700	3.4800	0.1500
M14-MD	62.3	11.2	$- 1 . 2_{- 1.0}^{+ 1.0}$ $-1.2^{+1.0}_{-1.0}$	$10 . 9_{- 1.3}^{+ 1.4}$ $10.9^{+1.4}_{-1.3}$	$14 . 10_{- 0.04}^{+ 0.04}$ $14.10^{+0.04}_{-0.04}$	0.00	0.00	1.7000	5.7400	0.0500
M14-CC	62.7	11.2	$- 0 . 9_{- 1.0}^{+ 1.0}$ $-0.9^{+1.0}_{-1.0}$	$10 . 7_{- 1.3}^{+ 1.3}$ $10.7^{+1.3}_{-1.3}$	$14 . 11_{- 0.04}^{+ 0.04}$ $14.11^{+0.04}_{-0.04}$	0.00	0.00	2.3000	3.3400	0.2100
A10-UPP	63.8	11.3	$- 0 . 3_{- 0.8}^{+ 0.8}$ $-0.3^{+0.8}_{-0.8}$	$10 . 9_{- 1.3}^{+ 1.2}$ $10.9^{+1.2}_{-1.3}$	$14 . 17_{- 0.09}^{+ 0.10}$ $14.17^{+0.10}_{-0.09}$	$0 . 49_{- 0.18}^{+ 0.14}$ $0.49^{+0.14}_{-0.18}$	$- 1 . 6_{- 12}^{+ 18}$ $-1.6^{+18}_{-12}$	1.0510	5.4905	0.3081
A10-MD	64.3	11.3	$- 0 . 8_{- 0.9}^{+ 0.9}$ $-0.8^{+0.9}_{-0.9}$	$10 . 9_{- 1.4}^{+ 1.4}$ $10.9^{+1.4}_{-1.4}$	$14 . 17_{- 0.09}^{+ 0.10}$ $14.17^{+0.10}_{-0.09}$	$0 . 47_{- 0.17}^{+ 0.13}$ $0.47^{+0.13}_{-0.17}$	$0 . 4_{- 17}^{+ 16}$ $~~~0.4^{+16}_{-17}$	1.4063	5.4905	0.3798
A10-CC	61.5	11.1	$0 . 2_{- 0.7}^{+ 0.7}$ $~~~0.2^{+0.7}_{-0.7}$	$11 . 0_{- 1.3}^{+ 1.3}$ $11.0^{+1.3}_{-1.3}$	$14 . 13_{- 0.12}^{+ 0.12}$ $14.13^{+0.12}_{-0.12}$	$0 . 57_{- 0.17}^{+ 0.12}$ $0.57^{+0.12}_{-0.17}$	$- 4 . 3_{- 17}^{+ 10}$ $-4.3^{+10}_{-17}$	1.2223	5.4905	0.7736
M14-UPP	64.1	11.3	$- 1 . 1_{- 0.9}^{+ 0.9}$ $-1.1^{+0.9}_{-0.9}$	$10 . 6_{- 1.4}^{+ 1.3}$ $10.6^{+1.3}_{-1.4}$	$14 . 30_{- 0.09}^{+ 0.10}$ $14.30^{+0.10}_{-0.09}$	$0 . 47_{- 0.16}^{+ 0.13}$ $0.47^{+0.13}_{-0.16}$	$- 1 . 3_{- 11}^{+ 11}$ $-1.3^{+11}_{-11}$	2.2700	3.4800	0.1500
M14-MD	64.0	11.3	$- 1 . 3_{- 0.9}^{+ 0.9}$ $-1.3^{+0.9}_{-0.9}$	$10 . 7_{- 1.4}^{+ 1.4}$ $10.7^{+1.4}_{-1.4}$	$14 . 29_{- 0.09}^{+ 0.10}$ $14.29^{+0.10}_{-0.09}$	$0 . 48_{- 0.16}^{+ 0.12}$ $0.48^{+0.12}_{-0.16}$	$- 0 . 8_{- 10}^{+ 10}$ $-0.8^{+10}_{-10}$	1.7000	5.7400	0.0500
M14-CC	64.4	11.4	$- 1 . 0_{- 0.9}^{+ 0.9}$ $-1.0^{+0.9}_{-0.9}$	$10 . 5_{- 1.3}^{+ 1.3}$ $10.5^{+1.3}_{-1.3}$	$14 . 29_{- 0.09}^{+ 0.09}$ $14.29^{+0.09}_{-0.09}$	$0 . 48_{- 0.17}^{+ 0.12}$ $0.48^{+0.12}_{-0.17}$	$- 2 . 1_{- 11}^{+ 11}$ $-2.1^{+11}_{-11}$	2.3000	3.3400	0.2100

Notes. Every row corresponds to a unique run in which we varied the parameters that are listed with uncertainties. The uncertainties on the derived parameters are given as the 16th and 84th quantiles. Corner plots of these runs are shown in the supplementary material. The coordinate centers ΔRA and ΔDec are given with respect to the BCG, which is located at an RA and Dec of 2° 17′44″.2128, −3° 45′31″.68. ^( † ) The effective significance is computed via Eq. (11).

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