2023ApJ...950...96D

Query : 2023ApJ...950...96D

2023ApJ...950...96D - Astrophys. J., 950, 96 (2023/June-3)

Gemini Near Infrared Spectrograph-Distant Quasar Survey: Prescriptions for Calibrating UV-based Estimates of Supermassive Black Hole Masses in High-redshift Quasars.

DIX C., MATTHEWS B., SHEMMER O., BROTHERTON M.S., MYERS A.D., ANDRUCHOW I., BRANDT W.N., FERRERO G.A., GREEN R., LIRA P., PLOTKIN R.M., RICHARDS G.T. and SCHNEIDER D.P.

Abstract (from CDS):

The most reliable single-epoch supermassive black hole mass (MBH) estimates in quasars are obtained by using the velocity widths of low-ionization emission lines, typically the Hβλ4861 line. Unfortunately, this line is redshifted out of the optical band at z ≈ 1, leaving MBH estimates to rely on proxy rest-frame ultraviolet (UV) emission lines, such as C IVλ1549 or Mg IIλ2800, which contain intrinsic challenges when measuring, resulting in uncertain MBH estimates. In this work, we aim at correcting MBH estimates derived from the C IV and Mg II emission lines based on estimates derived from the Hβ emission line. We find that employing the equivalent width of C IV in deriving MBH estimates based on Mg II and C IV provides values that are closest to those obtained from Hβ. We also provide prescriptions to estimate MBH values when only C IV, only Mg II, and both C IV and Mg II are measurable. We find that utilizing both emission lines, where available, reduces the scatter of UV-based MBH estimates by ∼15% when compared to previous studies. Lastly, we discuss the potential of our prescriptions to provide more accurate and precise estimates of MBH given a much larger sample of quasars at 3.20 ≲ z ≲ 3.50, where both Mg II and Hβ can be measured in the same near-infrared spectrum.

Abstract Copyright: © 2023. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Active galactic nuclei - Quasars - Surveys - Supermassive black holes

VizieR on-line data: <Available at CDS (J/ApJ/950/96): table1.dat table3.dat>

Simbad objects: 260

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Number of rows : 260
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SDSS J001018.88+280932.5 QSO 00 10 18.884 +28 09 32.59           ~ 4 0
2 SDSS J001249.89+285552.6 QSO 00 12 49.8944940240 +28 55 52.696971228           ~ 9 0
3 SDSS J001355.10-012304.0 QSO 00 13 55.1050847112 -01 23 04.027170480           ~ 10 0
4 SDSS J001453.20+091217.7 QSO 00 14 53.2070601384 +09 12 17.747204292           ~ 16 0
5 SDSS J001813.29+361058.5 QSO 00 18 13.3024481112 +36 10 58.603270404           ~ 5 0
6 [VV96] J001914.4+155556 QSO 00 19 14.4662520288 +15 55 56.010030024   18.51 18.31     ~ 39 0
7 SDSS J002634.46+274015.5 QSO 00 26 34.4675604960 +27 40 15.567534624           ~ 10 0
8 LBQS 0027-0214 QSO 00 30 01.1093795352 -01 57 43.521373296     18.8     ~ 15 0
9 [VV2006] J003416.6+002241 QSO 00 34 16.6131670512 +00 22 41.118342528   17.75 17.53     ~ 37 0
10 SDSS J003853.15+333044.3 QSO 00 38 53.155 +33 30 44.37           ~ 4 0
11 QSO J0046+0104 QSO 00 46 13.5471044208 +01 04 25.715143020   18.70 18.35     ~ 124 0
12 SDSS J004710.48+163106.5 QSO 00 47 10.482 +16 31 06.55           ~ 4 0
13 QSO B0044+0131 QSO 00 47 19.7206942656 +01 48 13.970547252   17 18.3     ~ 20 0
14 QSO B0049+014 QSO 00 52 33.6727671792 +01 40 40.897974288   17 17     ~ 55 0
15 SDSS J005307.71+191022.7 QSO 00 53 07.7152124112 +19 10 22.792379880           ~ 7 0
16 SDSS J010113.72+032427.0 QSO 01 01 13.7276445504 +03 24 27.147153600           ~ 12 0
17 [VV2006] J010328.7-110414 QSO 01 03 28.7185121880 -11 04 14.475081828   18.76 18.40     ~ 27 0
18 SDSS J010447.39+101031.6 QSO 01 04 47.4037330392 +10 10 31.668379320           ~ 12 0
19 SDSS J010500.72+194230.4 QSO 01 05 00.7227872112 +19 42 30.564829188           ~ 13 0
20 SDSS J010615.93+101043.0 QSO 01 06 15.9384334176 +10 10 43.087455336           ~ 12 0
21 ICRF J010643.2-031536 QSO 01 06 43.2286148400 -03 15 36.296670132           ~ 28 0
22 SDSS J011538.72+242446.0 QSO 01 15 38.7197342832 +24 24 46.092941172           ~ 8 0
23 [VV2006] J013012.3+153158 BLL 01 30 12.3612261504 +15 31 57.998859672   19.75 19.12     ~ 34 0
24 SDSS J013113.25+085245.5 QSO 01 31 13.2569378688 +08 52 45.396082020           ~ 13 0
25 [VV2006] J013136.5+130330 QSO 01 31 36.4449207960 +13 03 31.023691452   18.28 17.91     ~ 37 0
26 2MASS J01341782-0050362 QSO 01 34 17.8134682248 -00 50 36.232800072           ~ 22 0
27 SDSS J013647.96-062753.6 QSO 01 36 47.9609091144 -06 27 53.737027272           ~ 11 0
28 SDSS J013652.52+122501.5 QSO 01 36 52.5195695088 +12 25 01.519822812           ~ 16 0
29 QSO B0137-018 QSO 01 40 18.2026101144 -01 38 05.895278160   18.7 18.0     ~ 48 0
30 SDSS J014128.26+070606.1 QSO 01 41 28.2640076688 +07 06 06.123089556           ~ 15 0
31 SDSS J014206.86+025713.0 QSO 01 42 06.8672466120 +02 57 13.001979132           ~ 10 0
32 SDSS J014932.06+152754.0 QSO 01 49 32.0657913792 +15 27 53.966038320           ~ 12 0
33 QSO J0203-0910 QSO 02 03 29.8608261360 -09 10 20.416416024   18.73 18.47     ~ 29 0
34 [VV2006] J021259.3+132618 QSO 02 12 59.2119430632 +13 26 18.850677432   18.40 18.16     ~ 27 0
35 2MASS J02200764-0107310 QSO 02 20 07.6460355360 -01 07 31.092434292           ~ 13 0
36 [VV2006] J025042.4+003537 QSO 02 50 42.4551732456 +00 35 36.722245236   19.95 19.26     ~ 48 0
37 [VV2006] J035151.0-061326 QSO 03 51 50.9768489976 -06 13 26.438498652   18.19 17.94     ~ 26 0
38 2MASS J07251754+4345536 QSO 07 25 17.5266541968 +43 45 53.395900704   17.98 17.74     ~ 22 0
39 QSO J0729+2524 QSO 07 29 28.4824005288 +25 24 51.859037916   18.03 17.66     ~ 24 0
40 2MASS J07313220+4613466 QSO 07 31 32.1854041992 +46 13 46.989090480   19.11 18.77     ~ 18 0
41 SDSS J073519.68+240104.6 QSO 07 35 19.6927376688 +24 01 04.704994632           ~ 10 0
42 2MASS J07390093+4851590 QSO 07 39 00.9058262640 +48 51 59.013255168   18.51 18.25     ~ 23 0
43 2MASS J07391366+4618585 QSO 07 39 13.6547102232 +46 18 58.561791876   18.21 17.92     ~ 25 0
44 [VV2006] J074941.1+262716 QSO 07 49 41.1604647960 +26 27 15.949388304   18.16 17.93     ~ 31 0
45 SDSS J075115.43+505439.1 QSO 07 51 15.4360740096 +50 54 39.200408316           ~ 9 0
46 SDSS J075136.36+432732.4 QSO 07 51 36.3678697584 +43 27 32.440342644           ~ 12 0
47 [VV2006] J075405.0+280340 QSO 07 54 05.0836430712 +28 03 39.568349808   18.08 17.96     ~ 35 0
48 [VV2006] J075547.8+220450 QSO 07 55 47.8418192424 +22 04 50.226382164   18.15 17.94     ~ 46 0
49 2MASS J07583763+1357337 QSO 07 58 37.6254909384 +13 57 33.756623316   18.33 18.14     ~ 24 1
50 [VV2006] J080036.0+501044 Bla 08 00 36.0146328168 +50 10 44.290510356   17.47 17.26     ~ 44 1
51 QSO J0801+5210 QSO 08 01 17.7968016048 +52 10 34.598421012   17.41 17.04     ~ 67 0
52 [VV2006] J080118.0+333411 QSO 08 01 17.9225297064 +33 34 11.989814628   18.47 18.24     ~ 32 0
53 QSO J0804+2516 QSO 08 04 13.6609765200 +25 16 33.918226248   18.54 18.28     ~ 40 0
54 [VV2006] J080636.8+345048 QSO 08 06 36.8185914864 +34 50 48.460647588   18.43 18.17     ~ 27 0
55 2MASS J08101947+0950408 QSO 08 10 19.4812289640 +09 50 40.879874688   18.62 18.32     ~ 15 0
56 [VV2000] J081057.0+120914 QSO 08 10 56.9656118016 +12 09 14.938419312   18.03 17.82     ~ 32 0
57 2MASS J08111467+1720573 QSO 08 11 14.6654326824 +17 20 57.435923328   18.41 18.07     ~ 34 0
58 [VV2006] J081127.4+461813 QSO 08 11 27.4416792312 +46 18 12.893200488   17.73 17.45     ~ 39 0
59 [VV2006] J081410.8+443707 QSO 08 14 10.7634566400 +44 37 06.897479196   18.66 18.44     ~ 38 0
60 2MASS J08155835+1540552 QSO 08 15 58.3580549496 +15 40 55.290852228   18.13 17.96     ~ 23 0
61 2MASS J08194059+0823581 QSO 08 19 40.5774658200 +08 23 58.033639752   19.59 19.13     ~ 30 0
62 [VV2000] J082507.7+360412 QSO 08 25 07.6695505320 +36 04 11.152959960   17.52 17.22     ~ 38 0
63 [VV2006] J082603.3+342800 QSO 08 26 03.3270088392 +34 28 00.720138720   18.28 17.98     ~ 38 0
64 2MASS J08264345+1434275 QSO 08 26 43.4576154864 +14 34 27.652401048   18.61 18.44     ~ 28 1
65 2MASS J08264466+1635490 QSO 08 26 44.6630030880 +16 35 49.076802312   18.04 17.86     ~ 26 0
66 [VV2006] J082736.9+061812 QSO 08 27 36.8944161528 +06 18 12.142094364   18.05 17.79     ~ 27 0
67 [VV2000] J083255.7+182301 QSO 08 32 55.6343641104 +18 23 00.738074652   17.95 17.54     ~ 34 0
68 [VV2006] J083417.2+354833 QSO 08 34 17.1247235736 +35 48 33.131029320   17.35 17.11     ~ 36 0
69 [VV2006] J083745.8+052109 QSO 08 37 45.7439423904 +05 21 09.414063396   18.64 18.39     ~ 36 0
70 QSO B0837+109 QSO 08 40 17.8827090408 +10 34 28.944945084   18.77 18.48     ~ 45 1
71 US 1443 QSO 08 40 29.9710190952 +46 51 13.731882156   17.40 17.20     ~ 46 0
72 2MASS J08413315+2005258 QSO 08 41 33.1494501432 +20 05 25.822285080           ~ 19 0
73 QSO J0844+0503 QSO 08 44 01.9575654696 +05 03 57.908087928   19.41 18.67     ~ 41 0
74 [VV2006] J084526.8+550546 QSO 08 45 26.7572738880 +55 05 46.862797560   18.19 17.95     ~ 30 0
75 QSO B0844+444 QSO 08 47 29.5316377824 +44 16 16.712481648   18.66 18.27     ~ 16 0
76 2MASS J08484609+6112348 QSO 08 48 46.1001728544 +61 12 34.848030816   17.37 17.16     ~ 25 0
77 SDSS J085046.17+522057.4 QSO 08 50 46.1767270608 +52 20 57.476172768           ~ 12 0
78 2MASS J08533737+1218004 QSO 08 53 37.3662129336 +12 18 00.370491372   18.20 17.88     ~ 24 0
79 [VV2006] J085344.1+354104 QSO 08 53 44.1720762168 +35 41 04.556358456   18.87 18.40     ~ 25 0
80 [VV2006] J085443.1+075223 QSO 08 54 43.1035639584 +07 52 23.220902532   18.40 18.19     ~ 26 0
81 QSO J0857+3313 QSO 08 57 26.95320 +33 13 17.1478   18.51 18.25     ~ 32 1
82 [VV2006] J085856.0+015219 QSO 08 58 56.0061465840 +01 52 19.398812412   18.32 17.95     ~ 40 0
83 2MASS J08594684+6037021 QSO 08 59 46.7888922936 +60 37 02.165503872   18.61 18.35     ~ 20 0
84 [VV2006] J090247.5+304121 QSO 09 02 47.5716210456 +30 41 20.772302352   18.08 17.82     ~ 29 0
85 [VV2000] J090444.3+233354 QSO 09 04 44.3375076096 +23 33 54.099986364   17.92 17.70     ~ 45 1
86 SDSS J090646.98+174046.8 QSO 09 06 46.9852734432 +17 40 46.820503920   17.86 17.66     ~ 25 0
87 2MASS J09070987+2506208 QSO 09 07 09.8881946616 +25 06 20.802494808   19.06 18.63     ~ 28 0
88 US 2348 QSO 09 07 10.3609233384 +43 00 00.205144704   17.60 17.43     ~ 33 0
89 6C 090743+381207 QSO 09 10 54.1842950808 +37 59 14.985174048   17.92 17.73     ~ 63 1
90 2MASS J09111802+2022547 QSO 09 11 18.0241516534 +20 22 54.682067141   21.07 20.54     ~ 16 1
91 [VV2006] J091301.0+422344 QSO 09 13 01.0165557216 +42 23 44.712323484   17.76 17.60     ~ 37 0
92 QSO J0913+3944 QSO 09 13 28.2292203720 +39 44 43.930360824   18.21 17.86     ~ 38 0
93 [VV2006] J091425.7+504854 QSO 09 14 25.7224803408 +50 48 54.955858896   20.23 19.38     ~ 37 0
94 [VV2006] J091716.8+461435 QSO 09 17 16.7908863024 +46 14 35.366140068   17.71 17.53     ~ 28 0
95 2MASS J09194134+2535385 QSO 09 19 41.2656101496 +25 35 37.722650892   18.61 18.42     ~ 29 0
96 2MASS J09221604+1605266 QSO 09 22 16.0422791280 +16 05 26.545267788   18.57 18.47     ~ 21 0
97 [VV2006] J092325.3+453222 QSO 09 23 25.2578054184 +45 32 22.212836016   18.80 18.34     ~ 34 0
98 2MASS J09245666+3053547 QSO 09 24 56.6694573792 +30 53 54.768991200   19.64 18.93     ~ 30 0
99 2MASS J09252325+2141196 QSO 09 25 23.2373172288 +21 41 19.788504072   18.78 18.62     ~ 20 0
100 [VV2006] J092555.0+490338 QSO 09 25 55.0600982736 +49 03 38.227988304   19.16 18.86     ~ 35 0
101 [VV2006] J092943.0+064603 QSO 09 29 42.9802825488 +06 46 04.219151736   17.96 17.76     ~ 30 0
102 [VV2006] J093252.0+023727 QSO 09 32 51.9828888360 +02 37 27.023969352   18.76 18.39     ~ 38 0
103 [VV2000] J093534.0+235720 QSO 09 35 33.8857990392 +23 57 20.515868784   18.33 18.16     ~ 28 0
104 2MASS J09414017+3257031 QSO 09 41 40.1679469560 +32 57 03.210027948   20.26 19.55     ~ 28 0
105 [VV2006] J094214.4+034100 QSO 09 42 14.4014511552 +03 41 00.379895568   19.02 18.59     ~ 26 0
106 2MASS J09432892+1404157 QSO 09 43 28.9419649896 +14 04 15.704686344           ~ 10 0
107 2MASS J09434699+6908186 QSO 09 43 47.0289286200 +69 08 18.490875864   19.02 18.56     ~ 14 0
108 [VV2006] J094427.3+614424 QSO 09 44 27.2781994584 +61 44 24.619262100   19.47 18.88     ~ 30 0
109 QSO J0946+2744 BLL 09 46 02.3151856512 +27 44 07.103916924   17.71 17.36     ~ 43 0
110 SDSS J094637.83-012411.5 QSO 09 46 37.8329410680 -01 24 11.634286068           ~ 17 0
111 [VV2006] J094647.0+392718 QSO 09 46 46.9439086008 +39 27 19.020463776   18.27 17.93     ~ 40 0
112 2MASS J09464861+1718278 QSO 09 46 48.6046024416 +17 18 27.806866524   18.58 18.45     ~ 22 0
113 [VV2006] J094902.4+531241 QSO 09 49 02.3895017376 +53 12 41.513744376   18.54 18.30     ~ 30 0
114 2MASS J09504745+1944465 QSO 09 50 47.4514317240 +19 44 46.243076208   18.37 18.11     ~ 20 0
115 2MASS J09505875+2634247 QSO 09 50 58.7669541072 +26 34 24.710674476   18.31 18.12     ~ 21 0
116 6C 095030+323834 Bla 09 53 27.9566471448 +32 25 51.520311120     17.74 16.34   ~ 71 1
117 [VV2006] J095330.3+353222 QSO 09 53 30.3619077504 +35 32 23.111278044   18.42 18.17     ~ 33 0
118 2MASS J09554429+1825464 QSO 09 55 44.2540065600 +18 25 46.897855716   19.34 18.78     ~ 21 0
119 [VV2000] J095555.7+351653 QSO 09 55 55.6835211216 +35 16 52.709342736     18.46     ~ 35 0
120 2MASS J09570783+1847401 QSO 09 57 07.8267530928 +18 47 39.902675820   18.38 18.10     ~ 21 0
121 [VV2006] J095746.8+565800 QSO 09 57 46.7569309080 +56 58 00.791376888   17.48 17.33     ~ 31 0
122 [VV2006] J095823.1+371218 QSO 09 58 23.0656325040 +37 12 18.327709404   18.20 17.92     ~ 28 0
123 QSO J0958+1202 QSO 09 58 52.1994218616 +12 02 45.038331528   18.24 17.91     ~ 129 0
124 [VV2006] J100212.6+520800 QSO 10 02 12.6369516864 +52 08 00.289129668   18.48 18.26     ~ 30 0
125 [VV2000] J100610.7+370513 QSO 10 06 10.5487921080 +37 05 13.832840040   18.38 18.18     ~ 42 0
126 [VV2006] J100653.2+011938 QSO 10 06 53.2668217320 +01 19 38.750741580   18.59       ~ 24 0
127 QSO B1006-023 QSO 10 08 50.0629369008 -02 38 31.703618760   18.90 18.6     ~ 24 0
128 [VV2006] J101106.8+114759 QSO 10 11 06.7429034424 +11 47 59.511101964   18.86 18.66     ~ 28 0
129 7C 1009+3324 QSO 10 12 11.4535955904 +33 09 26.452364796     17.5     ~ 52 1
130 Ton 490 Bla 10 13 53.42877250 +24 49 16.4406795   16.59 16.57 15.85   ~ 200 1
131 [VV2006] J101425.1+032003 QSO 10 14 25.1098684848 +03 20 03.743834748   18.41 18.07     ~ 24 0
132 [VV2006] J101429.6+481938 QSO 10 14 29.5654893696 +48 19 38.371891728   17.67 17.48     ~ 32 0
133 [VV2006] J101542.0+430455 QSO 10 15 42.0467046048 +43 04 55.697473848   18.30 18.03     ~ 38 0
134 2MASS J10172424+3334033 QSO 10 17 24.2643927720 +33 34 03.333331884   18.36 18.13     ~ 22 0
135 [VV2006] J102154.0+051646 QSO 10 21 54.0075417240 +05 16 46.436151216   21.40 20.19     ~ 34 0
136 2MASS J10253771+2115092 QSO 10 25 37.7007769656 +21 15 09.116159616   18.38 18.20     ~ 20 0
137 [VV2006] J102731.5+541809 QSO 10 27 31.4925626976 +54 18 09.794901420   18.05 17.77     ~ 29 0
138 [VV2000] J102907.1+651024 QSO 10 29 07.0954097688 +65 10 24.665696796   17.31 17.03 16.4   ~ 38 0
139 PB 337 QSO 10 32 09.7866236280 +38 56 30.589239372   17.73 17.58     ~ 29 0
140 SDSS J103236.98+230554.1 QSO 10 32 36.9731886360 +23 05 54.157874352           ~ 11 0
141 SDSS J103246.19+323618.0 QSO 10 32 46.1929437240 +32 36 18.105962580           ~ 11 0
142 [VV2006] J103405.8+463545 QSO 10 34 05.7315665400 +46 35 45.385736388   18.40 18.10     ~ 31 0
143 2MASS J10371825+3025089 QSO 10 37 18.2382889944 +30 25 09.162392592   19.58 19.23     ~ 26 0
144 [VV2006] J104018.5+572448 QSO 10 40 18.5254742280 +57 24 48.137538168   19.34 18.84     ~ 43 0
145 PB 538 QSO 10 43 30.1039457808 +44 10 51.590241192   18.11 17.87     ~ 29 0
146 SDSS J104336.73+494707.6 QSO 10 43 36.7304051016 +49 47 07.628665452           ~ 9 0
147 [VV2006] J104621.5+483323 QSO 10 46 21.5718662736 +48 33 22.677476580   18.73 18.35     ~ 27 0
148 [VV2000] J104716.5+360654 QSO 10 47 16.5093307080 +36 06 53.996736384   18.21 18.14     ~ 36 0
149 [VV2006] J104743.6+661830 QSO 10 47 43.5720456984 +66 18 30.601278000   17.97 17.75     ~ 30 0
150 [VV2000] J104911.4+495113 QSO 10 49 11.3494224432 +49 51 13.688915796   17.57 17.20     ~ 35 0
151 SDSS J104941.58+522348.9 QSO 10 49 41.5841750664 +52 23 48.897039804           ~ 10 0
152 QSO B1047+550 QSO 10 50 45.7173070368 +54 47 19.251780108   17.13 16.98     ~ 51 0
153 QSO J1058+5807 QSO 10 59 02.0514234000 +58 08 48.668376228   18.38 18.13     ~ 52 0
154 SDSS J105926.43+062227.4 PaG 10 59 26.43624 +06 22 27.8400   18.05 17.75     ~ 32 0
155 [VV2006] J110148.8+054816 QSO 11 01 48.8596310472 +05 48 15.573750336   17.90 17.65     ~ 26 0
156 [VV2000] J110516.5+200013 QSO 11 05 16.6902694704 +20 00 13.824195624   17.1       ~ 23 0
157 [VV2006] J110735.6+642008 QSO 11 07 35.5782756360 +64 20 08.672382132   17.75 17.53     ~ 35 0
158 [VV2006] J110810.8+014140 QSO 11 08 10.8667561128 +01 41 40.767330012   18.50 17.98     ~ 30 0
159 QSO J1111+1336 QSO 11 11 19.1031731280 +13 36 03.822328512   18.59 17.96     ~ 47 0
160 [VV2006] J111313.3+102212 QSO 11 13 13.2939535008 +10 22 12.418962636   18.00 17.77     ~ 36 0
161 2MASS J11135250+1040421 QSO 11 13 52.5369686496 +10 40 41.919943728           ~ 13 0
162 2MASS J11185003+3513117 QSO 11 18 50.0146825128 +35 13 11.777769048   17.3 17.78 17.8   ~ 31 0
163 2MASS J11192098+2325392 QSO 11 19 20.9839991393 +23 25 39.473001227   19.37 19.02     ~ 17 0
164 2MASS J11212778+2547588 QSO 11 21 27.7967693256 +25 47 58.960365360   18.37 18.05     ~ 20 0
165 [VV2006] J112726.9+601019 QSO 11 27 26.8157391000 +60 10 20.238717720   17.94 17.69     ~ 29 0
166 CSO 1185 QSO 11 29 38.4744180480 +44 03 25.038374976   18.71 18.49     ~ 32 0
167 2MASS J11304844+2252064 QSO 11 30 48.4600841384 +22 52 06.545005125           ~ 16 0
168 2MASS J11333017+1447590 QSO 11 33 30.1752135024 +14 47 58.893357516   19.22 18.76     ~ 26 0
169 [VV2006] J113621.1+005021 QSO 11 36 21.0495764136 +00 50 21.261413508   19.50 18.78     ~ 39 0
170 [VV2006] J113740.6+630257 QSO 11 37 40.6102980744 +63 02 56.943598560   18.82 18.38     ~ 31 0
171 SDSS J113924.64+332436.9 QSO 11 39 24.6403787640 +33 24 36.909819288           ~ 15 0
172 2MASS J11421223+2332505 QSO 11 42 12.2421078672 +23 32 50.495318556   17.33 17.15     ~ 21 0
173 SDSS J114323.72+193448.0 QSO 11 43 23.7181402848 +19 34 48.048930516   18.90 18.36     ~ 22 0
174 2MASS J11435032+3629109 QSO 11 43 50.3094129984 +36 29 11.434163244   17.85 17.65     ~ 33 0
175 2MASS J11470524+0839005 QSO 11 47 05.2394665440 +08 39 00.574430004   19.41 18.89     ~ 35 1
176 SDSS J114711.79+084029.6 QSO 11 47 11.7869621952 +08 40 29.498947716           ~ 11 0
177 2MASS J11473833+3017175 QSO 11 47 38.3565132000 +30 17 17.551498812   20.01 19.43     ~ 19 0
178 2MASS J11490271+1443282 QSO 11 49 02.7093962040 +14 43 28.079168268   18.22 18.03     ~ 24 0
179 SDSS J114907.15+004104.3 QSO 11 49 07.1513394792 +00 41 04.459644708           ~ 18 0
180 SDSS J114927.90+432727.9 QSO 11 49 27.9063532944 +43 27 27.918687096           ~ 10 0
181 2MASS J11574799+2724595 QSO 11 57 47.9892554664 +27 24 59.656490100   19.70 18.99     ~ 21 0
182 2MASS J12131401+0807037 QSO 12 13 14.0275884312 +08 07 03.621692820   18.64 18.41     ~ 32 0
183 7C 121132.7+332625 QSO 12 14 04.1161319184 +33 09 45.597741480   17.84 17.89     ~ 110 1
184 [VV2006] J121423.0+024253 QSO 12 14 23.0265762432 +02 42 52.833610332   17.92 17.64     ~ 53 1
185 [VV2006] J121519.4+424850 QSO 12 15 19.4309544744 +42 48 51.043096296   18.11 18.00     ~ 32 0
186 QSO B1215+521 Bla 12 17 36.6603408024 +51 55 10.297251804   17.60 17.56     ~ 53 1
187 [VV2000] J121810.9+241410 QSO 12 18 10.9850992152 +24 14 10.890456468   16.8       ~ 29 0
188 [VV2006] J122046.1+455442 QSO 12 20 46.0596045960 +45 54 42.094485756   18.05 17.72     ~ 34 0
189 6C 122116+505501 BLL 12 23 43.1690899704 +50 37 53.412268908   18.62 18.05     ~ 55 1
190 2MASS J12270947+3107489 QSO 12 27 09.4797369480 +31 07 49.352022696   18.54 18.24     ~ 25 0
191 [VV98] J122938.5+462431 QSO 12 29 38.6150842896 +46 24 30.497594688   18.14 17.97     ~ 15 0
192 [VV98] J123514.6+462904 QSO 12 35 14.6483420232 +46 29 04.043172480   18.57 18.35     ~ 30 0
193 2MASS J12515045+1143409 QSO 12 51 50.4497019288 +11 43 40.814301468   17.92 17.78     ~ 27 0
194 [VV98] J125200.0+500206 QSO 12 51 59.9095108464 +50 02 03.629822784   18.07 17.75     ~ 20 0
195 2MASS J13284501+5102260 QSO 13 28 45.0120490128 +51 02 25.876260924   19.74 19.08     ~ 31 0
196 2MASS J13334258+1233526 QSO 13 33 42.5684853072 +12 33 52.672306824   19.16 18.70     ~ 31 0
197 QSO B1341+2611 QSO 13 43 41.9881129080 +25 56 52.830525300   18.05 17.60     ~ 29 0
198 [VV2000] J135908.3+305830 QSO 13 59 08.3633412048 +30 58 30.812100780   17.2       ~ 25 0
199 2MASS J14005881+2606192 QSO 14 00 58.7985487704 +26 06 19.425481668   18.65 18.35     ~ 19 0
200 2MASS J14070446+2735565 QSO 14 07 04.4347812168 +27 35 56.677880184   18.10 17.89     ~ 25 0
201 [VV2006] J141028.1+135949 QSO 14 10 28.1394111912 +13 59 50.202959820   17.98 17.81     ~ 34 0
202 QSO B1410+0936 QSO 14 13 21.0603550608 +09 22 04.849158468     17.8     ~ 41 0
203 QSO J1416+2649 QSO 14 16 17.3758886376 +26 49 06.140308008   19.43 19.00     ~ 35 0
204 2MASS J14192551+0749535 QSO 14 19 25.4871215016 +07 49 53.577792876   17.94 17.71     ~ 34 0
205 [VV2000] J141951.9+470902 QSO 14 19 51.8475971880 +47 09 01.292548428   18.16 17.83     ~ 45 0
206 [VV2000] J142013.1+253404 QSO 14 20 13.0307268768 +25 34 03.927068004   18.62 18.10     ~ 32 0
207 HS 1422+4224 QSO 14 24 35.9762180040 +42 10 30.471656088   17.99 17.82     ~ 54 0
208 CSO 646 QSO 14 25 00.2452317144 +49 47 29.283122472   18.00 17.63     ~ 47 0
209 [VV2000] J142502.6+274910 QSO 14 25 02.6225595648 +27 49 12.191670876   19.22 18.95     ~ 27 0
210 [VV2006] J142543.3+540619 QSO 14 25 43.3298905704 +54 06 19.327380048   18.64 18.22     ~ 46 0
211 [VV2006] J142755.8-002951 QSO 14 27 55.8524675088 -00 29 51.138471192   19.00 18.57     ~ 39 0
212 QSO B1426-0131 QSO 14 29 03.0375839352 -01 45 19.367220852   19.14 18.55     ~ 47 0
213 2MASS J14462429+1731288 QSO 14 46 24.2899552968 +17 31 28.773898896   18.34 18.10     ~ 24 0
214 2MASS J14470678+2128392 QSO 14 47 06.8044346304 +21 28 39.300682800   18.85 18.49     ~ 20 0
215 2MASS J14494864+1230477 QSO 14 49 48.6250502592 +12 30 47.536155900   18.37 18.04     ~ 25 0
216 [VV2006] J145541.1-023751 QSO 14 55 41.1141096624 -02 37 51.036493692   18.61 18.35     ~ 28 0
217 [VV2006] J150205.6-024038 QSO 15 02 05.5783909752 -02 40 38.557762428   18.64 18.20     ~ 25 0
218 SDSS J150743.71+220928.8 QSO 15 07 43.7200904640 +22 09 28.856329416           ~ 14 0
219 SDSS J151123.30+495101.2 QSO 15 11 23.3116650264 +49 51 01.240421040           ~ 13 0
220 [VV2006] J151341.9+463003 QSO 15 13 41.8934962344 +46 30 02.805068448   19.55 19.07     ~ 27 0
221 [VV2006] J151507.8+612411 QSO 15 15 07.8372658560 +61 24 11.911264092   18.18 17.97     ~ 31 0
222 2MASS J15172766+1333585 QSO 15 17 27.6821398296 +13 33 58.609557900   18.09 17.88     ~ 21 0
223 [VV2006] J151733.1+435648 QSO 15 17 33.0956724024 +43 56 48.323121720   18.20 17.89     ~ 28 0
224 LB 9760 QSO 15 29 29.5499937480 +23 02 08.738168712   17.90 17.68     ~ 22 0
225 2MASS J15324896+1739008 QSO 15 32 48.9641383920 +17 39 00.846718992   18.84 18.47     ~ 20 0
226 [VV2006] J154550.4+554345 QSO 15 45 50.3813330688 +55 43 46.222216284   17.99 17.78     ~ 30 0
227 [VV2006] J155355.1+375844 QSO 15 53 55.1026095384 +37 58 44.110834104   19.05 18.77     ~ 28 0
228 [VV2006] J160029.8+331806 QSO 16 00 29.8669877136 +33 18 06.941606040   18.74 18.41     ~ 24 0
229 [VV2006] J160207.7+380743 QSO 16 02 07.6848791544 +38 07 43.065806052   17.41 17.09     ~ 28 0
230 SDSS J160425.30+193929.1 QSO 16 04 25.3059683616 +19 39 29.096754156           ~ 13 0
231 [VV2006] J160513.2+325829 QSO 16 05 13.1722476456 +32 58 29.904986352   18.48 18.25     ~ 39 0
232 2MASS J16055297+2921414 QSO 16 05 52.9673042040 +29 21 41.456234952   18.72 18.39     ~ 29 0
233 QSO B1604+177 QSO 16 06 37.5781659480 +17 35 16.248700104   18.94 18.65     ~ 31 0
234 [VV2006] J161435.7+372715 QSO 16 14 35.7031072824 +37 27 15.596080344   18.07 17.72     ~ 32 0
235 7C 161829.80+530315.00 BLL 16 19 42.3887715600 +52 56 13.395126444   17.01 16.72 16.2   ~ 43 1
236 [VV98] J162659.3+301535 QSO 16 26 59.2429899456 +30 15 35.067217212   18.82 18.41     ~ 30 0
237 2MASS J16312509+1748101 QSO 16 31 25.1070902832 +17 48 10.077768792   18.35 17.93     ~ 23 0
238 2MASS J16343341+2651586 QSO 16 34 33.4195885440 +26 51 58.274053488   18.72 18.48     ~ 17 0
239 [VV2006] J164807.5+254407 QSO 16 48 07.5591784608 +25 44 07.189021788   18.02 17.82     ~ 30 0
240 2MASS J16532102+2717068 QSO 16 53 21.0311697576 +27 17 06.773527104   17.49 17.21     ~ 29 0
241 [VV2006] J173352.2+540030 QSO 17 33 52.2311709504 +54 00 30.514515120   18.07 17.60     ~ 61 0
242 [VV2006] J205900.4-064309 QSO 20 59 00.3619409208 -06 43 09.530967648   18.44 18.09     ~ 26 0
243 [VV2006] J210558.3-011127 QSO 21 05 58.2929902800 -01 11 27.465921348   18.43 18.19     ~ 26 0
244 [VV2006] J210831.6-063022 QSO 21 08 31.5672867288 -06 30 22.582588536   17.71 17.41     ~ 36 0
245 [VV2006] J211251.1+000808 QSO 21 12 51.0649897056 +00 08 08.343754836   18.58 18.23     ~ 32 0
246 [VV2006] J213655.3-080909 QSO 21 36 55.3521323208 -08 09 10.196676000   18.27 18.11     ~ 23 0
247 2MASS J21490120-0731416 QSO 21 49 01.2074800848 -07 31 41.657945340   18.28 18.04     ~ 29 0
248 SDSS J220139.99+114140.8 QSO 22 01 39.9944702040 +11 41 40.798361076           ~ 10 0
249 SDSS J220344.98+235729.3 QSO 22 03 44.9858830032 +23 57 29.372508612           ~ 9 0
250 SDSS J222310.76+180308.1 QSO 22 23 10.7644994136 +18 03 08.156940048           ~ 7 0
251 2MASS J22262144+2515450 QSO 22 26 21.4464468048 +25 15 45.013757508           ~ 9 0
252 2MASS J22393447-0047068 QSO 22 39 34.4597047344 -00 47 07.153011096   18.90 18.51     ~ 36 0
253 2MASS J22560845+0105583 QSO 22 56 08.4808041120 +01 05 57.797366892   18.70 18.32     ~ 31 0
254 SDSS J225627.12+092313.3 QSO 22 56 27.1235723424 +09 23 13.346665080           ~ 13 0
255 SDSS J230722.21+253803.8 QSO 23 07 22.2182687400 +25 38 03.828771708           ~ 8 0
256 SDSS J231450.12+182402.8 QSO 23 14 50.1267103392 +18 24 02.932173756           ~ 13 0
257 [VV2006] J233304.7-092710 QSO 23 33 04.6153206456 -09 27 10.959172164   18.61 18.23     ~ 23 0
258 SDSS J233344.66+290251.5 QSO 23 33 44.6678312304 +29 02 51.540073476           ~ 10 0
259 SDSS J234817.55+193345.8 QSO 23 48 17.5591167264 +19 33 45.931554036           ~ 9 0
260 [VV96] J235212.3-012013 QSO 23 52 12.8596594560 -01 20 29.626347372   18.5 19.8     ~ 24 1

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