The spectroscopically confirmed huge cosmic structure at z = 0.55

Table 1:

Properties of the clumps.
	RA	Dec	z	$N_{\rm spec}$	$\sigma$ [ $\rm km s^{-1}$ ]	$M_{\rm 200, opt}$	$M_{\rm 200, X-ray}$	$P_{\rm bound}$	Comment
CL0016	00 18 33.4	16 26 14	$0.5471_{-0.0027}^{\rm +0.0032}$	24	$1683_{-380}^{\rm +131}$	$612.39_{-328.34}^{\rm +155.08}$	$119\pm2$	-	M₂₀₀ is from Solovyeva et al. (2007)
Clump1	00 17 40.2	16 24 59	$0.5474_{-0.0003}^{\rm +0.0004}$	6	$128_{-89}^{\rm + 42}$	$0.27_{-0.26}^{\rm +0.36}$	<5.1 (2 $\sigma$ )	$94^{\rm +0}_{-63}$	filament/group reported in Tanaka et al. (2007)
Clump2	00 17 58.9	16 23 28	$0.5512_{-0.0008}^{\rm +0.0007}$	8	$248_{-120}^{\rm + 53}$	$1.95_{-1.68}^{\rm +1.53}$	<3.5 ( $2\sigma$ )	$44^{\rm +35}_{-33}$	filament/group reported in Tanaka et al. (2007)
Clump3	00 18 16.4	16 14 02	$0.5482_{-0.0024}^{\rm +0.0020}$	6	$550_{-441}^{\rm +174}$	$21.36_{-21.20}^{\rm +27.50}$	$6.8\pm0.6$	$81^{\rm +6}_{-63}$	group reported in Tanaka et al. (2007)
Clump4	00 18 17.4	16 17 39	$0.5493_{-0.0016}^{\rm +0.0015}$	12	$862_{-315}^{\rm +117}$	$82.10_{-61.15}^{\rm +38.38}$	$17\pm4$	$70^{\rm +19}_{-43}$	cluster reported in Hughes et al. (1995)
Clump5	00 18 43.7	16 33 17	$0.5509_{-0.0018}^{\rm +0.0012}$	9	$576_{-285}^{\rm +136}$	$24.44_{-21.29}^{\rm +21.69}$	$7.3\pm1.1$	$52^{\rm +32}_{-35}$	group
Clump6	00 18 47.6	16 02 14	$0.5409_{-0.0010}^{\rm +0.0007}$	21	$562_{-92}^{\rm +203}$	$22.85_{-9.53}^{\rm +34.71}$	$22\pm9$	$0^{\rm +35}_{-0}$	cluster reported in Hughes & Birkinshaw (1998)
Clump7	00 19 06.5	16 53 02	$0.5447_{-0.0005}^{\rm +0.0007}$	8	$258_{-113}^{\rm +301}$	$2.21_{-1.81}^{\rm +20.21}$	-	$43^{\rm +36}_{-43}$	group
Clump8	00 19 17.6	16 48 29	$0.5568_{-0.0007}^{\rm +0.0005}$	4	$119_{-86}^{\rm + 60}$	$0.21_{-0.21}^{\rm +0.52}$	-	$0^{\rm +0}_{-0}$	group?
Clump9	00 19 22.2	16 24 32	$0.7278_{-0.0013}^{\rm +0.0019}$	5	$519_{-512}^{\rm + 0}$	$16.10_{-16.10}^{\rm +0.02}$	-	$0^{\rm +0}_{-0}$	background loose group?
Clump10	00 19 25.7	16 05 23	$0.5427_{-0.0002}^{\rm +0.0004}$	8	$75_{-17}^{\rm +148}$	$0.05_{-0.03}^{\rm +1.36}$	<4.9 ( $2\sigma$ )	$10^{\rm +53}_{-10}$	group
Clump11	00 19 31.5	16 27 44	$0.6253_{-0.0006}^{\rm +0.0001}$	4	$14_{ -2}^{\rm +122}$	$0.00_{-0.00}^{\rm +0.31}$	$7.8\pm1.5$	$0^{\rm +0}_{-0}$	background group
Clump12	00 19 32.4	16 02 03	$0.6264_{-0.0007}^{\rm +0.0003}$	13	$199_{-98}^{\rm +173}$	$0.96_{-0.83}^{\rm +5.33}$	$8.9\pm1.8$	$0^{\rm +0}_{-0}$	background group
Clump13	00 19 47.9	16 28 11	$0.5445_{-0.0007}^{\rm +0.0006}$	10	$594_{-491}^{\rm + 80}$	$26.96_{-26.82}^{\rm +12.35}$	-	$55^{\rm +30}_{-43}$	group
Clump14	00 19 53.3	16 36 02	$0.5584_{-0.0046}^{\rm +0.0009}$	6	$246_{-109}^{\rm +981}$	$1.90_{-1.57}^{\rm +234.02}$	-	$0^{\rm +0}_{-0}$	loose group?
Clump15	00 19 58.4	16 46 58	$0.5425_{-0.0006}^{\rm +0.0003}$	9	$128_{-48}^{\rm +319}$	$0.27_{-0.20}^{\rm +11.23}$	-	$3^{\rm +53}_{-3}$	group
Clump16	00 20 10.4	16 25 21	$0.5550_{-0.0003}^{\rm +0.0004}$	4	$64_{-45}^{\rm + 53}$	$0.03_{-0.03}^{\rm +0.17}$	-	$0^{\rm +3}_{-0}$	group?
Clump17	00 20 29.9	16 33 23	$0.5443_{-0.0008}^{\rm +0.0010}$	7	$324_{-179}^{\rm + 78}$	$4.37_{-3.98}^{\rm +4.00}$	-	$34^{\rm +43}_{-34}$	group

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