Discovery and characterization of 25 new quasars at 4.6 < z < 6.9 from wide-field multiband surveys

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Table B.1.

Properties of the 16 quasars selected from DELS+PS1 already reported in the literature.

Quasar Name	RA	Dec	z	m₁₄₅₀	M₁₄₅₀	z_P1,lim	z_DE	y_P1	J	H	K	W1	W2	ref. surveys/follow up	References
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)	(15)	(16)
PSO J009−15	9.65040	−15.45656	7.021±0.005	19.93	−27.10	22.96	21.65±0.08	20.58±0.11	19.67±0.07	19.52±0.06	19.37±0.05	19.64±0.06	19.79±0.16	DELS DR5,UKIRT/WFCAM	1
PSO J011+09	11.38986	+09.03249	6.4695±0.0002	20.85	−25.96	22.25	21.35±0.04	20.54±0.10	20.77±0.07	20.62±0.24	20.74±0.34	20.46±0.11	20.91±0.37	DELS DR8,MPG2.2m/GROND,RC20	2, 3
PSO J027−28	27.21960	−28.44422	6.54±0.03	20.79	−26.09	22.68	21.68±0.03	20.82±0.14	21.86±0.15	21.45±0.16	20.88±0.14	20.08±0.06	20.14±0.16	DELS DR8,NTT/SofI	4, This work
PSO J062−01	62.53771	−01.65552	6.995±0.001	21.33	−25.60	22.95	22.04±0.06	21.15±0.21	20.67±0.07	20.80±0.13	20.26±0.10	20.44±0.08	20.15±0.15	DELS DR10,NTT/SofI	5
PSO J129+39	129.94534	+39.00319	6.9046±0.0003	20.63	−26.29	23.05	20.99±0.03	20.25±0.09	20.36±0.20			19.19±0.03	19.05±0.07	DELS DR6,UHS	6, 7
PSO J137+16	137.55678	+16.94163	6.719±0.005	21.3	−25.57	22.84	22.01±0.07	20.81±0.16	21.03±0.13	20.80±0.09	20.44±0.08	21.15±0.19	20.30±0.20	DELS DR6,UKIRT/WFCAM,NTT/SofI	6, 7, This work
PSO J140+00	140.33566	+00.12303	6.5654±0.0002	22.05	−24.79	22.68	21.65±0.04	20.88±0.16	21.25±0.09	20.86±0.15	20.39±0.09	19.79±0.05	19.32±0.08	DELS DR8,RC20	7, 8
PSO J140+04	140.94633	+04.04844	6.612±0.002	20.67	−26.18	23.04	21.21±0.02	20.22±0.09	20.11±0.08	19.87±0.13	19.42±0.07	19.21±0.03	19.06±0.06	DELS DR8,RC20	7, 8
PSO J166+21	166.08997	+21.57467	6.766±0.005	20.21	−26.67	22.94	21.10±0.03	19.95±0.06	19.93±0.12			19.99±0.06	19.90±0.13	DELS DR7,UHS	6, 7
PSO J167−13	167.64159	−13.49602	6.508±0.001	21.25	−25.57	22.86	21.07±0.06	20.49±0.11	21.17±0.09		20.21±0.26			DELS DR3,VIKING,RC20	9
PSO J172+18	172.35569	+18.77342	6.823 $_{- 0.001}^{+ 0.003}$ ${}^{+0.003}_{-0.001}$	21.08	−25.81	23.22	21.61±0.05	20.74±0.09	20.88±0.11	21.35±0.24	21.06±0.18	21.25±0.20		DELS DR7,NOT/NOTCam	10
PSO J173+50	173.78721	+50.1925	6.58±0.03	20.65	−26.19	22.99	20.71±0.03	20.08±0.08	20.43±0.17			19.93±0.05	19.77±.010	DELS DR8,RC20	6
PSO J184+45	184.11489	+45.31968	6.648±0.003	21.27	−25.59	23.00	21.54±0.07	20.67±0.09	21.01±0.13			20.05±0.06	19.80±0.10	DELS DR6,UKIRT/WFCAM	6, 7
PSO J247+24	247.29708	+24.12770	6.476±0.004	20.28	−26.53	22.70	20.76±0.03	19.98±0.07	20.19±0.09			19.37±0.03	19.29±0.06	DELS DR8,CAHA 3.5 m/Omega2000	2
PSO J261+19	261.03643	+19.02861	6.480±0.001	21.12	−25.70	22.86	21.49±0.05	20.93±0.13			20.25±0.23	20.57±0.09	20.38±0.17	DELS DR7,UHS	2, 7
PSO J338+29	338.22982	+29.50898	6.655±0.003	20.78	−26.08	22.50	21.10±0.05	20.24±0.09	20.30±0.14			20.46±0.08	21.07±0.33	DELS DR7,UHS	7, 9

Notes. Quasars sorted by right ascension. Col (1): Quasar name according to PS1 convention; Col (2) and Col (3): Coordinates in degrees; Col (4): Redshift measured from the MgII broad emission line; except for PSO J027−28 and PSO J173+50; Col (5-6): apparent and absolute magnitude at 1450Å rest-frame taken from the review of Fan et al. (2023), except for PSO J027−28, PSO J062−01 and PSO J172+18; Col (7-14): optical, NIR and MIR magnitudes (RC20 refers to Ross & Cross (2020) which contains NIR photometry from VHS, VIKING or UKIDSS surveys); Col (15): Reference surveys/follow-up campaign; Col (16): Reference papers for spectra and quasar properties: 1=Wang et al. (2018), 2=Mazzucchelli et al. (2017), 3=Eilers et al. (2020), 4=Yang et al. (2020b), 5=Bañados et al. (2025), 6=Wang et al. (2019), 7=Yang et al. (2021), 8=Matsuoka et al. (2018) 9=Venemans et al. (2015), 10=Bañados et al. (2021)

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