NOEMA formIng Cluster survEy (NICE): Characterizing eight massive galaxy groups at 1.5 < z < 4 in the COSMOS field

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Volume 690 (October 2024)

A&A, 690 (2024) A55

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Table 4.

Dark matter halo mass results for all groups.

Structure	σ_OD^(a)	M_*, max^(b)	Total M_*	M_h(2a)	M_h(3)	M_h(4)	M_h best ^(c)	R_vir^(d)	M_h(1)	M_h(2b)	M_h(5)
		[10¹¹ M_⊙]	[10¹¹ M_⊙]	log M_⊙	log M_⊙	log M_⊙	log M_⊙	[pkpc]	log M_⊙	log M_⊙	log M_⊙
HPC1001	7.7	1.0 ± 0.2	2.4 ± 0.2	$13 . 0_{- 0.2}^{+ 0.3}$ $13.0^{+0.3}_{-0.2}$	$13 . 4_{- 0.2}^{+ 0.3}$ $13.4^{+0.3}_{-0.2}$	$13 . 6_{- 0.3}^{+ 0.2}$ $13.6^{+0.2}_{-0.3}$	13.3 ± 0.3	181 ± 42	> 12.8	12.8 ± 0.3	$12 . 9_{- 1}^{+ 0.9}$ $12.9^{+0.9}_{-1}$
COS-SBCX3	6.0	0.5 ± 0.1	1 ± 0.1	$12 . 6_{- 0.2}^{+ 0.5}$ $12.6^{+0.5}_{-0.2}$	$12 . 8_{- 0.3}^{+ 0.2}$ $12.8^{+0.2}_{-0.3}$	$13 . 1_{- 0.5}^{+ 0.3}$ $13.1^{+0.3}_{-0.5}$	12.8 ± 0.3	141 ± 33	$12 . 3_{- 0.1}^{+ 0.4}$ $12.3^{+0.4}_{-0.1}$	12.2 ± 0.4	$12 . 8_{- 1.3}^{+ 2.4}$ $12.8^{+2.4}_{-1.3}$
COS-SBCX4	6.0	1.6 ± 0.4	4.4 ± 0.6	$13 . 1_{- 0.2}^{+ 0.3}$ $13.1^{+0.3}_{-0.2}$	$13 . 3_{- 0.3}^{+ 0.2}$ $13.3^{+0.2}_{-0.3}$	$13 . 6_{- 0.1}^{+ 0.2}$ $13.6^{+0.2}_{-0.1}$	13.3 ± 0.3	229 ± 53	> 13.1	13.2 ± 0.3	$13 . 2_{- 1}^{+ 1.3}$ $13.2^{+1.3}_{-1}$
COS-SBCX1	7.0	2.5 ± 0.6	8.6 ± 0.6	> 13.6	$13 . 7_{- 0.3}^{+ 0.3}$ $13.7^{+0.3}_{-0.3}$	$13 . 9_{- 0.2}^{+ 0.1}$ $13.9^{+0.1}_{-0.2}$	13.7 ± 0.3	331 ± 70	> 13.8	13.7 ± 0.2	$13 . 4_{- 1.3}^{+ 2.6}$ $13.4^{+2.6}_{-1.3}$
COS-SBCX7	5.6	1.3 ± 0.3	4.5 ± 0.6	$13 . 6_{- 0.3}^{+ 0.5}$ $13.6^{+0.5}_{-0.3}$	$13 . 4_{- 0.3}^{+ 0.2}$ $13.4^{+0.2}_{-0.3}$	$13 . 7_{- 0.1}^{+ 0.1}$ $13.7^{+0.1}_{-0.1}$	13.6 ± 0.3	308 ± 71	$13 . 5_{- 0.4}^{+ 1.4}$ $13.5^{+1.4}_{-0.4}$	13.3 ± 0.2	$13 . 3_{- 0.8}^{+ 0.8}$ $13.3^{+0.8}_{-0.8}$
COS-SBC3	4.6	3.2 ± 0.7	5.2 ± 0.7	$13 . 7_{- 0.3}^{+ 0.5}$ $13.7^{+0.5}_{-0.3}$	$13 . 4_{- 0.3}^{+ 0.2}$ $13.4^{+0.2}_{-0.3}$	$13 . 9_{- 0.1}^{+ 0.2}$ $13.9^{+0.2}_{-0.1}$	13.7 ± 0.3	337 ± 71	> 14.1	13.3 ± 0.2	$13 . 3_{- 1.3}^{+ 1.7}$ $13.3^{+1.7}_{-1.3}$
COS-SBC6	4.6	1.3 ± 0.3	2.5 ± 0.2	$13 . 2_{- 0.3}^{+ 0.9}$ $13.2^{+0.9}_{-0.3}$	$13 . 3_{- 0.3}^{+ 0.2}$ $13.3^{+0.2}_{-0.3}$	$13 . 6_{- 0.3}^{+ 0.1}$ $13.6^{+0.1}_{-0.3}$	13.4 ± 0.3	271 ± 57	$13 . 5_{- 0.4}^{+ 1.4}$ $13.5^{+1.4}_{-0.4}$	12.9 ± 0.3	$13 . 0_{- 1.3}^{+ 1.7}$ $13.0^{+1.7}_{-1.3}$
COS-SBC4	7.4	1.6 ± 0.6	7.9 ± 0.4	> 13.5	$13 . 7_{- 0.4}^{+ 0.3}$ $13.7^{+0.3}_{-0.4}$	$13 . 9_{- 0.2}^{+ 0.1}$ $13.9^{+0.1}_{-0.2}$	13.7 ± 0.3	429 ± 90	> 13.0	13.8 ± 0.2	$13 . 4_{- 0.6}^{+ 0.7}$ $13.4^{+0.7}_{-0.6}$

Notes. Lower limits are at 1σ significance.

^(a)

Peak significance of overdensity.

^(b)

M_*, max is the stellar mass of the most massive central spectroscopically confirmed member galaxy.

^(c)

The best estimate halo mass is the average of M_h(2a), M_h(3), and M_h(4), and the uncertainty is estimated by the average scatter between the methods (Fig. 3).

^(d)

Virial radius of M_h Best, using the M_h − R_vir relation from Goerdt et al. (2010).

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