A first look at quasar-galaxy clustering at z ≃ 7.3

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Volume 708 (April 2026)

A&A, 708 (2026) A160

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Table 2.

Galaxy properties relative to the quasars.

Target ID	Priority	Δv_LOS	Angular separation	Angular separation	M_UV	L_[OIII]5008	EW_[OIII]5008
		(km s⁻¹)	(arcseconds)	(pkpc)	(mag)	(10⁴² erg s⁻¹)	(Å)
J1007_8739	1	182	27.66	138.55	${- 21.03}_{- 0.08}^{+ 0.09}$ $Mathematical equation: $ {-21.03}_{-0.08}^{+0.09} $$	${0.98}_{- 0.10}^{+ 0.10}$ $Mathematical equation: $ {0.98}_{-0.10}^{+0.10} $$	${249.76}_{- 35.14}^{+ 40.92}$ $Mathematical equation: $ {249.76}_{-35.14}^{+40.92} $$
J1007_7641	1	246	49.43	247.61	${- 20.30}_{- 0.12}^{+ 0.14}$ $Mathematical equation: $ {-20.30}_{-0.12}^{+0.14} $$	${2.79}_{- 0.14}^{+ 0.13}$ $Mathematical equation: $ {2.79}_{-0.14}^{+0.13} $$	${623.30}_{- 60.41}^{+ 79.53}$ $Mathematical equation: $ {623.30}_{-60.41}^{+79.53} $$

J1007_8731	4	26486	78.54	393.40	${- 18.67}_{- 0.30}^{+ 0.41}$ $Mathematical equation: $ {-18.67}_{-0.30}^{+0.41} $$	${0.83}_{- 0.31}^{+ 0.09}$ $Mathematical equation: $ {0.83}_{-0.31}^{+0.09} $$	${2485.75}_{- 1581.46}^{+ 6190.32}$ $Mathematical equation: $ {2485.75}_{-1581.46}^{+6190.32} $$
J1007_13163	4	26811	116.01	581.08	${- 19.44}_{- 0.24}^{+ 0.30}$ $Mathematical equation: $ {-19.44}_{-0.24}^{+0.30} $$	${0.54}_{- 0.10}^{+ 0.10}$ $Mathematical equation: $ {0.54}_{-0.10}^{+0.10} $$	${204.88}_{- 40.80}^{+ 48.88}$ $Mathematical equation: $ {204.88}_{-40.80}^{+48.88} $$

J0252_11265	1	-502	68.47	358.00	${- 19.57}_{- 0.16}^{+ 0.19}$ $Mathematical equation: $ {-19.57}_{-0.16}^{+0.19} $$	${1.95}_{- 0.16}^{+ 0.15}$ $Mathematical equation: $ {1.95}_{-0.16}^{+0.15} $$	${545.79}_{- 81.29}^{+ 105.26}$ $Mathematical equation: $ {545.79}_{-81.29}^{+105.26} $$
J0252_10049	1	80	25.94	135.61	${- 19.20}_{- 0.21}^{+ 0.26}$ $Mathematical equation: $ {-19.20}_{-0.21}^{+0.26} $$	${3.45}_{- 0.14}^{+ 0.14}$ $Mathematical equation: $ {3.45}_{-0.14}^{+0.14} $$	${862.96}_{- 85.63}^{+ 97.40}$ $Mathematical equation: $ {862.96}_{-85.63}^{+97.40} $$
J0252_8713	1	360	1.26	6.58	${- 23.12}_{- 0.05}^{+ 0.06}$ $Mathematical equation: $ {-23.12}_{-0.05}^{+0.06} $$	${0.41}_{- 0.15}^{+ 0.14}$ $Mathematical equation: $ {0.41}_{-0.15}^{+0.14} $$	${21.13}_{- 7.64}^{+ 7.63}$ $Mathematical equation: $ {21.13}_{-7.64}^{+7.63} $$
J0252_5063	1	538	108.05	564.95	${- 19.60}_{- 0.09}^{+ 0.10}$ $Mathematical equation: $ {-19.60}_{-0.09}^{+0.10} $$	${0.56}_{- 0.12}^{+ 0.10}$ $Mathematical equation: $ {0.56}_{-0.12}^{+0.10} $$	${639.07}_{- 207.90}^{+ 398.92}$ $Mathematical equation: $ {639.07}_{-207.90}^{+398.92} $$
J0252_4001	1	1032	96.61	505.14	${- 20.37}_{- 0.15}^{+ 0.17}$ $Mathematical equation: $ {-20.37}_{-0.15}^{+0.17} $$	${3.30}_{- 0.18}^{+ 0.24}$ $Mathematical equation: $ {3.30}_{-0.18}^{+0.24} $$	${515.17}_{- 66.68}^{+ 64.49}$ $Mathematical equation: $ {515.17}_{-66.68}^{+64.49} $$
J0252_8668	1	1114	90.82	474.85	${- 20.53}_{- 0.10}^{+ 0.11}$ $Mathematical equation: $ {-20.53}_{-0.10}^{+0.11} $$	${2.66}_{- 0.18}^{+ 0.17}$ $Mathematical equation: $ {2.66}_{-0.18}^{+0.17} $$	${228.44}_{- 19.90}^{+ 25.02}$ $Mathematical equation: $ {228.44}_{-19.90}^{+25.02} $$

J0252_4981	1	10183	80.31	419.89	${- 19.19}_{- 0.12}^{+ 0.14}$ $Mathematical equation: $ {-19.19}_{-0.12}^{+0.14} $$	${0.68}_{- 0.10}^{+ 0.11}$ $Mathematical equation: $ {0.68}_{-0.10}^{+0.11} $$	${309.64}_{- 77.89}^{+ 91.34}$ $Mathematical equation: $ {309.64}_{-77.89}^{+91.34} $$
J0252_8612	1	10757	45.74	239.16	${- 21.31}_{- 0.18}^{+ 0.21}$ $Mathematical equation: $ {-21.31}_{-0.18}^{+0.21} $$	${1.58}_{- 0.19}^{+ 0.13}$ $Mathematical equation: $ {1.58}_{-0.19}^{+0.13} $$	${1086.98}_{- 376.32}^{+ 363.50}$ $Mathematical equation: $ {1086.98}_{-376.32}^{+363.50} $$
J0252_10951	1	15124	58.56	306.18	${- 19.98}_{- 0.18}^{+ 0.21}$ $Mathematical equation: $ {-19.98}_{-0.18}^{+0.21} $$	${1.05}_{- 0.17}^{+ 0.13}$ $Mathematical equation: $ {1.05}_{-0.17}^{+0.13} $$	${563.18}_{- 140.23}^{+ 183.77}$ $Mathematical equation: $ {563.18}_{-140.23}^{+183.77} $$
J0252_10952	1	15422	58.58	306.28	${- 20.24}_{- 0.14}^{+ 0.17}$ $Mathematical equation: $ {-20.24}_{-0.14}^{+0.17} $$	${0.24}_{- 0.08}^{+ 0.09}$ $Mathematical equation: $ {0.24}_{-0.08}^{+0.09} $$	${1902.82}_{- 1267.83}^{+ 6965.09}$ $Mathematical equation: $ {1902.82}_{-1267.83}^{+6965.09} $$
J0252_4747	2	19403	94.02	491.56	${- 18.77}_{- 0.22}^{+ 0.27}$ $Mathematical equation: $ {-18.77}_{-0.22}^{+0.27} $$	${1.35}_{- 0.12}^{+ 0.11}$ $Mathematical equation: $ {1.35}_{-0.12}^{+0.11} $$	${529.87}_{- 88.94}^{+ 128.12}$ $Mathematical equation: $ {529.87}_{-88.94}^{+128.12} $$
J0252_6197	5	20452	74.79	391.05	${- 19.21}_{- 0.34}^{+ 0.50}$ $Mathematical equation: $ {-19.21}_{-0.34}^{+0.50} $$	${0.46}_{- 0.23}^{+ 0.14}$ $Mathematical equation: $ {0.46}_{-0.23}^{+0.14} $$	${1051.52}_{- 730.93}^{+ 2010.22}$ $Mathematical equation: $ {1051.52}_{-730.93}^{+2010.22} $$

Notes. Given an accuracy on the emission line redshifts of σ_z ≈ 0.001, the velocity along the line of sight has an uncertainty of ≈40 km s⁻¹.

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