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Table C.3.

Candidates spectroscopically confirmed to not be high-z quasars

Rejected RA Dec Telescope Date CLASS Rejected RA Dec Telescope Date CLASS
Candidate (J2000) (J2000) Instrument Candidate (J2000) (J2000) Instrument
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12)
ILT J0010+3239g 02.5364 +32.6504 LBT/MODS 2023/11/11 1 PSO J003−03 03.0822 −03.7675 LBT/MODS 2023/11/12 1
PSO J008+04 08.3993 +04.9334 LBT/MODS 2023/11/13 1 PSO J010+46 10.0308 +46.4924 LBT/MODS 2023/11/12 3
PSO J012+36 12.0151 +36.5762 LBT/MODS 2023/11/13 1 PSO J027−45a 27.9230 −45.5284 NTT/EFOSC2 2024/01/24 1
ILT J0157+3042 29.3863 +30.7092 LBT/MODS 2023/11/13 2 PSO J039+04 39.9339 +04.4616 LBT/MODS 2023/11/13 3
MALS J0240+1719 40.0717 +17.3222 LBT/MODS 2024/12/05 1 YS J041−29b 41.1159 −29.0798 NTT/EFOSC2 2022/12/27 3
PSO J047−60 47.0409 −60.8559 NTT/EFOSC2 2024/01/27 1 YS J049−34b 49.9160 −34.3035 NTT/EFOSC2 2022/12/27 1
PSO J060+03 60.2691 +03.9825 NTT/EFOSC2 2023/12/01 3 YS J066−28b 66.5230 −28.7629 NTT/EFOSC2 2023/11/29 2
PSO J069−26 69.6370 −26.8314 NTT/EFOSC2 2023/12/02 1 PSO J099+57 99.7872 +57.5060 LBT/MODS 2023/11/12 1
PSO J117−69 117.2528 −69.6421 NTT/EFOSC2 2024/01/24 1 PSO J112+33 112.1840 +33.2182 LBT/MODS 2020/12/25 1
PSO J139−04a 139.7676 −04.2978 NTT/EFOSC2 2024/01/24 1 PSO J145−27 145.5390 −27.2683 NTT/EFOSC2 2024/01/25 1
PSO J153+47 153.3546 +47.6594 LBT/MODS 2023/04/19 1 PSO J155+23 155.3345 +23.3206 LBT/MODS 2023/04/01 1
MALS J1044−1412 161.0521 −14.2127 NTT/EFOSC2 2024/01/24 2 PSO J162−12 162.3426 −12.6113 NTT/EFOSC2 2022/02/04 1
NVSS J163−02 163.6297 −02.0645 NTT/EFOSC2 2022/02/04 3 PSO J170−28 170.6294 −28.7200 NTT/EFOSC2 2022/02/05 1
PSO J172+16 172.0984 +16.0280 NTT/EFOSC2 2022/02/04 1 ILT J1140+4202 175.0467 +42.0335 LBT/MODS 2023/06/13 3
PSO J181+30 181.2624 +30.4606 LBT/MODS 2023/06/10 1 PSO J182−29 182.2378 −29.9385 NTT/EFOSC2 2022/02/05 1
PSO J182−05 182.3792 −05.2293 LBT/MODS 2023/06/10 1 PSO J182+11 182.7458 +11.1742 LBT/MODS 2023/04/01 3
PSO J182+83 182.7718 +83.6176 LBT/MODS 2023/03/05 1 PSO J184+64 184.1091 +64.8172 LBT/MODS 2023/06/08 1
PSO J186+80 186.1962 +80.4875 LBT/MODS 2023/04/20 1 PSO J186+60 186.2609 +60.5096 LBT/MODS 2023/06/08 1
PSO J187+08 187.1222 +08.6590 LBT/MODS 2023/06/10 1 MQC J1239+1617 189.8990 +16.2973 NTT/EFOSC2 2024/01/24 1
PSO J195−07 195.3068 −07.2171 NTT/EFOSC2 2022/02/04 1 PSO J195+86 195.6339 +86.8951 LBT/MODS 2023/04/01 1
PSO J195−10 195.6990 −10.0122 LBT/MODS 2023/06/10 3 RACS J198+40 198.7974 +40.1505 LBT/MODS 2023/06/10 2
ILT J1326+5429c 201.5518 +54.4944 LBT/MODS 2023/06/08 1 RACS J206+40 206.9889 +40.3283 LBT/MODS 2023/06/10 2
ILT J1407+4252 211.9176 +42.8708 LBT/MODS 2023/06/07 2 ILT J1431+4635 217.8540 +46.5862 LBT/MODS 2023/06/07 1
PSO J222+05 222.3130 +05.7496 LBT/MODS 2023/03/28 1 NVSS J225−11 225.2889 −11.9584 NTT/EFOSC2 2022/02/04 2
ILT J1504+6258 226.1189 +62.9802 LBT/MODS 2023/06/13 1 PSO J227−17 227.0505 −17.3678 LBT/MODS 2023/04/01 1
PSO J233+05 233.2398 +05.4933 LBT/MODS 2023/06/08 1 PSO J234−09 234.5534 −09.4578 LBT/MODS 2023/04/21 1
RACS J234+40 234.6786 +40.4477 LBT/MODS 2023/06/10 1 PSO J245+18 245.1485 +18.6299 LBT/MODS 2023/06/08 1
ILT J1623+5427 245.8994 +54.4526 LBT/MODS 2023/06/13 3 ILT J1629+4156 247.4075 +41.9488 LBT/MODS 2023/06/08 3
PSO J247+10 247.8238 +10.2805 LBT/MODS 2023/06/09 3 PSO J250+00 250.5826 +00.9124 LBT/MODS 2023/04/21 1
PSO J253+00 253.1887 +00.5648 LBT/MODS 2023/06/08 3 PSO J253+07 253.5664 +07.4414 LBT/MODS 2023/06/08 1
PSO254+25 254.7461 +25.6797 LBT/MODS 2023/04/18 1 PSO J262+20 262.6972 +20.9801 LBT/MODS 2023/06/08 1
PSO J266+54 266.5850 +54.9565 LBT/MODS 2023/06/09 1 PSO J269+19 269.8055 +19.6993 LBT/MODS 2023/06/10 1
RACS J279+40 279.1253 +40.6443 LBT/MODS 2023/06/13 1 PSO J281+58 281.8065 +58.8070 LBT/MODS 2020/06/06 1
PSO J290+58 290.3967 +58.9075 LBT/MODS 2023/06/08 1 PSO J331−09 331.9305 −09.3771 LBT/MODS 2023/05/28 1
PSO J333+29 333.0793 +29.2715 LBT/MODS 2022/10/20 1 PSO J350+18 350.3733 +18.8181 LBT/MODS 2023/11/11 1
PSO J351+07 351.4983 +07.0055 LBT/MODS 2023/11/13 1 PSO J353−20 353.0240 −20.3663 LBT/MODS 2023/11/12 1
PSO J359+28 359.2352 +28.8194 LBT/MODS 2023/11/12 1

Notes. Rejected candidates sorted by R.A. Col (1) and Col (7): Object name; sources named ILT have been selected from the LOFAR LoTSS DR2 catalog (Shimwell et al. 2022); RACS objects are from the RACS 888 MHz radio catalog (McConnell et al. 2020); sources named NVSS have been selected from the NVSS catalog of Condon et al. (1998)); MQC objects have been selected from the Million Quasar Catalog v8 of Flesch (2023); sources named MALS were selected from the MeerKAT Absorption Line Survey DR1 catalog (Deka et al. 2024);

a:

for the selection method of these sources we refer the reader to Mkrtchyan et al. (in prep.);

b:

candidates in the Yang & Shen (2023) catalog with pqso large than 99%;

c:

two nearby (<1″) objects;

g:

candidate already rejected by Gloudemans et al. (2022);

Col (2), Col (3), Col (8) and Col (9): Coordinates in degrees; Col (4) and Col (10): instrument and telescope used for the spectroscopic follow-up; Col (5) and Col (11): dates of the observation; Col (6) and Col (12): Spectroscopic class: 1=brown dwarf, 2=low-z galaxy, 3 = unknown.

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