The WISSH quasar project - XII. X-ray view of the most luminous quasi-stellar objects at Cosmic Noon

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Volume 702 (October 2025)

A&A, 702 (2025) A114

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Table B.2.

WISSH QSOs with 5 − 20 X-ray net (i.e. background-subtracted) counts.

WISSH ID	SDSS ID	z	N_H, gal	HR	N_H	Log(L_2 − 10)	Log(F_{0.5 − 10})
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)
WISSH01	J0045+1438	1.9897	5.50	−0.16 ± 0.30	$15 . 0_{- 13.0}^{+ 15.0}$ $15.0_{-13.0}^{+15.0}$	44.31 ± 0.27	−13.91 ± 0.11
WISSH02	J0124+0044	3.822	3.13	$- 0 . 72_{- 0.27}^{+ 0.07}$ $-0.72_{-0.27}^{+0.07}$	≤0.1	45.42 ± 0.12	−13.43 ± 0.12
WISSH03	J0125−1027	3.3588	3.20	$0 . 25_{- 0.24}^{+ 0.31}$ $0.25_{-0.24}^{+0.31}$	$50 . 0_{- 35.0}^{+ 50.0}$ $50.0_{-35.0}^{+50.0}$	45.43 ± 0.14	−13.30 ± 0.11
WISSH16	J0941+3257	3.454	1.44	$- 0 . 30_{- 0.44}^{+ 0.28}$ $-0.30_{-0.44}^{+0.28}$	≤16.5	45.14 ± 0.15	−13.59 ± 0.15
WISSH19	J0958+2827	3.434	1.46	−0.06 ± 0.24	≤99.0	44.63 ± 0.07	−14.10 ± 0.07
WISSH21	J1013+5615	3.6507	0.91	0.00 ± 0.38	≤132.0	45.20 ± 0.15	−13.59 ± 0.15
WISSH23	J1015+0020	4.407	2.90	$- 0 . 16_{- 0.22}^{+ 0.10}$ $-0.16_{-0.22}^{+0.10}$	≤49.5	45.52 ± 0.10	−13.47 ± 0.10
WISSH29	J1051+3107	4.2742	2.12	$- 0 . 63_{- 0.30}^{+ 0.10}$ $-0.63_{-0.30}^{+0.10}$	≤0.1	44.96 ± 0.18	−13.99 ± 0.18
WISSH34	J1110+1930	2.502	1.73	$0 . 07_{- 0.26}^{+ 0.27}$ $0.07_{-0.26}^{+0.27}$	≤82.5	45.14 ± 0.10	−13.25 ± 0.10
WISSH42	J1200+3126	2.9947	1.49	−0.53 ± 0.23	≤24.8	45.55 ± 0.09	−13.04 ± 0.09
WISSH44	J1201+1206	3.512	1.89	$- 0 . 35_{- 0.26}^{+ 0.19}$ $-0.35_{-0.26}^{+0.19}$	≤66.0	45.64 ± 0.10	−13.11 ± 0.10
WISSH51	J1237+0647	2.7891	1.53	−0.01 ± 0.28	≤82.5	45.22 ± 0.11	−13.29 ± 0.11
WISSH52	J1245+0105	2.8068	1.42	$- 0 . 18_{- 0.32}^{+ 0.27}$ $-0.18_{-0.32}^{+0.27}$	$30 . 0_{- 23.0}^{+ 30.0}$ $30.0_{-23.0}^{+30.0}$	44.82 ± 0.27	−13.75 ± 0.12
WISSH56	J1305+0521	4.101	1.88	$- 0 . 06_{- 0.26}^{+ 0.24}$ $-0.06_{-0.26}^{+0.24}$	≤82.5	45.37 ± 0.09	−13.54 ± 0.09
WISSH79	J1633+3629	3.5747	1.14	$- 0 . 14_{- 0.38}^{+ 0.31}$ $-0.14_{-0.38}^{+0.31}$	≤66.0	45.23 ± 0.15	−13.54 ± 0.15
WISSH80	J1639+2824	3.846	2.93	0.00 ± 0.38	$70 . 0_{- 55.0}^{+ 80.0}$ $70.0_{-55.0}^{+80.0}$	45.61 ± 0.33	−13.28 ± 0.15

Notes. Columns: (1) WISSH ID; (2) SDSS ID; (3) Redshift (from Saccheo et al. 2023); (4) Galactic column density (in units of 10²⁰ cm⁻²); (5) Hardness Ratio; (6) Intrinsic column density (in units of 10²² cm⁻²); (7) Intrinsic 2 − 10 keV luminosity (in units of Log(L_2 − 10/erg s⁻¹)); (8) Observed 0.5 − 10 keV flux (in units of Log(F_{0.5 − 10}/erg s⁻¹ cm⁻²)).

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