2019ApJ...887..268C

Query : 2019ApJ...887..268C

2019ApJ...887..268C - Astrophys. J., 887, 268-268 (2019/December-3)

Finding the brightest cosmic beacons in the southern hemisphere.

CALDERONE G., BOUTSIA K., CRISTIANI S., GRAZIAN A., AMORIN R., D'ODORICO V., CUPANI G., FONTANOT F. and SALVATO M.

Abstract (from CDS):

The study of absorptions along the lines of sight to bright high-z QSOs is an invaluable cosmological tool that provides a wealth of information on the inter-/circum-galactic medium, dark matter, primordial elements, reionization, fundamental constants, and general relativity. Unfortunately, the number of bright (i <= 18) QSOs at z >= 2 in the southern hemisphere is much lower than that in the north, due to the lack of wide multiwavelength surveys at decl. δ < 0°, hampering the effectiveness of observations from southern observatories. In this work we present a new method based on Canonical Correlation Analysis to identify such objects, taking advantage of a number of available databases: Skymapper, Gaia DR2, WISE, and 2MASS. Our QSO candidate sample lists 1476 sources with i < 18 over 12,400 square degrees in the southern hemisphere. With a preliminary campaign we observed spectroscopically 69 of them, confirming 54 new bright QSOs at z > 2.5, corresponding to a success rate of our method of ∼80%. Furthermore, we estimate a completeness of ∼90% of our sample at completion of our observation campaign. The new QSOs confirmed by this first and the forthcoming campaigns (QUBRICS10 survey) will be the targets of subsequent studies using higher resolution spectrographs, like ESPRESSO, UVES, and (in the long term) ELT/HIRES.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): Quasars - Sky surveys - Catalogs

VizieR on-line data: <Available at CDS (J/ApJ/887/268): table3.dat table4.dat>

Simbad objects: 122

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Number of rows : 122
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 SMSS J003558.10-200556.2 QSO 00 35 58.100 -20 05 56.25           ~ 1 0
2 SMSS J011331.80-342449.7 QSO 01 13 31.800 -34 24 49.77           ~ 1 0
3 SMSS J015644.67-692216.1 QSO 01 56 44.670 -69 22 16.12           ~ 2 0
4 SMSS J020016.25-065209.0 QSO 02 00 16.250 -06 52 09.06           ~ 1 0
5 SMSS J021113.61-115543.6 QSO 02 11 13.610 -11 55 43.65           ~ 1 0
6 SMSS J023658.66-313522.4 QSO 02 36 58.660 -31 35 22.42           ~ 1 0
7 SMSS J025111.14-544943.2 QSO 02 51 11.140 -54 49 43.26           ~ 1 0
8 SMSS J032254.38-111939.5 QSO 03 22 54.380 -11 19 39.58           ~ 1 0
9 SMSS J033015.32-543021.1 QSO 03 30 15.320 -54 30 21.15           ~ 2 0
10 SMSS J040516.06-325116.7 QSO 04 05 16.060 -32 51 16.77           ~ 1 0
11 SMSS J040745.29-321537.8 QSO 04 07 45.28701792 -32 15 37.8358848           ~ 2 0
12 PSO J062.3119-27.9424 QSO 04 09 14.8755158247 -27 56 32.889947586           ~ 6 0
13 SMSS J041840.65-274028.5 QSO 04 18 40.650 -27 40 28.51           ~ 1 0
14 SMSS J045011.37-432429.7 QSO 04 50 11.37022008 -43 24 29.7505476           ~ 2 0
15 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
16 SMSS J090729.33-021458.9 QSO 09 07 29.330 -02 14 58.97           ~ 1 0
17 SMSS J092644.48-055700.5 QSO 09 26 44.480 -05 57 00.50           ~ 1 0
18 SMSS J094119.56-084339.0 AGN 09 41 19.560 -08 43 39.01           ~ 1 0
19 SMSS J094247.54-061110.1 QSO 09 42 47.540 -06 11 10.16           ~ 1 0
20 QSO B0940-1050 QSO 09 42 53.5078384704 -11 04 25.931336376   16.96 16.6 16.6   ~ 102 0
21 EC 09568-1838 QSO 09 59 12.2335488744 -18 52 50.015582040   15.65 15.48     ~ 4 0
22 SMSS J100812.03-243323.8 G 10 08 12.030 -24 33 23.83           ~ 1 0
23 SMSS J100915.28-225913.7 AGN 10 09 15.280 -22 59 13.70           ~ 1 0
24 SMSS J101223.62-171925.2 QSO 10 12 23.620 -17 19 25.21           ~ 1 0
25 PSO J153.6261-04.3611 QSO 10 14 30.28128000 -04 21 40.3161480           ~ 3 0
26 PSO J153.8723-12.2206 QSO 10 15 29.36671680 -12 13 14.3416560           ~ 6 0
27 PSO J153.9338-11.1563 QSO 10 15 44.11772160 -11 09 22.7689560           ~ 3 0
28 SMSS J102603.57-093229.8 AGN 10 26 03.570 -09 32 29.82           ~ 1 0
29 SMSS J103348.52-040742.0 QSO 10 33 48.520 -04 07 42.02           ~ 1 0
30 SMSS J103906.37-155634.4 QSO 10 39 06.370 -15 56 34.48           ~ 1 0
31 2dFGRS TGN160Z095 AGN 10 41 19.410 -03 14 25.34   19.093   17.473   ~ 1 0
32 SMSS J104251.27-164857.9 AGN 10 42 51.270 -16 48 57.90           ~ 1 0
33 SMSS J104720.31-295917.6 QSO 10 47 20.310 -29 59 17.62           ~ 1 0
34 PSO J162.8445-06.8466 QSO 10 51 22.68858480 -06 50 47.8435200           ~ 4 0
35 SMSS J105221.62-195237.9 QSO 10 52 21.62063592 -19 52 37.9487784           ~ 2 0
36 PSO J163.7069-17.1853 QSO 10 54 49.67752320 -17 11 07.3878360           ~ 4 0
37 SMSS J105635.86-202903.2 AGN 10 56 35.860 -20 29 03.20           ~ 1 0
38 SMSS J110443.01-135354.0 AGN 11 04 43.010 -13 53 54.03           ~ 1 0
39 LAMOST J110835.47-040644.3 QSO 11 08 35.490 -04 06 44.59           ~ 2 0
40 SMSS J111416.38-305149.7 QSO 11 14 16.380 -30 51 49.73           ~ 1 0
41 SMSS J111522.55-130809.8 QSO 11 15 22.550 -13 08 09.81           ~ 1 0
42 SMSS J112101.41-112200.9 AGN 11 21 01.410 -11 22 00.91           ~ 1 0
43 SMSS J113524.00-110229.0 AGN 11 35 24.000 -11 02 29.08           ~ 2 0
44 SMSS J114110.85-120620.6 QSO 11 41 10.850 -12 06 20.67           ~ 1 0
45 SMSS J114326.60-243852.6 QSO 11 43 26.600 -24 38 52.65           ~ 1 0
46 SDSS J114822.19-011729.2 QSO 11 48 22.1954200608 -01 17 29.273709444           ~ 2 0
47 PSO J177.3099-15.5122 QSO 11 49 14.37724080 -15 30 43.9337880           ~ 3 0
48 SMSS J115000.35-070213.0 AGN 11 50 00.350 -07 02 13.03           ~ 1 0
49 SMSS J115322.58-044837.8 QSO 11 53 22.580 -04 48 37.82           ~ 1 0
50 SMSS J120150.81-290931.8 QSO 12 01 50.810 -29 09 31.84           ~ 1 0
51 SMSS J120943.72-132914.5 G 12 09 43.720 -13 29 14.58           ~ 1 0
52 SMSS J122449.81-084414.7 QSO 12 24 49.810 -08 44 14.70           ~ 1 0
53 SMSS J122804.10-213547.6 AGN 12 28 04.100 -21 35 47.63           ~ 1 0
54 NVSS J122810-092702 rG 12 28 10.150 -09 27 03.34           ~ 6 0
55 SMSS J123344.43-335220.9 AGN 12 33 44.430 -33 52 20.90           ~ 1 0
56 SMSS J123620.94-244748.2 QSO 12 36 20.940 -24 47 48.21           ~ 1 0
57 2MASS J12413194-3041401 QSO 12 41 31.9366195992 -30 41 40.081720380           ~ 3 0
58 SMSS J124555.02-345952.0 QSO 12 45 55.020 -34 59 52.08           ~ 1 0
59 SMSS J125450.39-193302.4 QSO 12 54 50.390 -19 33 02.46           ~ 1 0
60 LCRS B130013.7-055109 AGN 13 02 49.3446688728 -06 07 16.227872904           ~ 1 0
61 SMSS J131912.24-162353.8 QSO 13 19 12.240 -16 23 53.85           ~ 1 0
62 SMSS J132155.88-113409.3 QSO 13 21 55.880 -11 34 09.38           ~ 1 0
63 SMSS J132950.06-091708.0 QSO 13 29 50.060 -09 17 08.02           ~ 1 0
64 SMSS J133211.17-090055.1 AGN 13 32 11.170 -09 00 55.11           ~ 1 0
65 SMSS J133624.43-241924.7 QSO 13 36 24.430 -24 19 24.70           ~ 1 0
66 SMSS J133628.60-255824.2 QSO 13 36 28.600 -25 58 24.26           ~ 1 0
67 SMSS J134411.04-263115.9 QSO 13 44 11.040 -26 31 15.93           ~ 1 0
68 SMSS J134853.28-075143.2 AGN 13 48 53.280 -07 51 43.28           ~ 1 0
69 SMSS J135222.97-041557.2 AGN 13 52 22.970 -04 15 57.23           ~ 1 0
70 SMSS J135259.72-273328.3 AGN 13 52 59.720 -27 33 28.32           ~ 1 0
71 PSO J210.0631-03.7379 QSO 14 00 15.15163440 -03 44 16.5010560           ~ 2 0
72 EC 14147-1706 QSO 14 17 28.1147668992 -17 19 52.535584128   16.37 15.91     ~ 2 0
73 SMSS J142015.38-152038.1 QSO 14 20 15.380 -15 20 38.17           ~ 1 0
74 QSO B1422+2309 BLL 14 24 38.0938 +22 56 00.587   16.77 15.84 14.79   ~ 464 1
75 SMSS J142727.91-293551.2 AGN 14 27 27.910 -29 35 51.21           ~ 1 0
76 PSO J216.8843-18.0550 QSO 14 27 32.24674320 -18 03 18.3077280           ~ 2 0
77 SMSS J143452.96-235854.1 QSO 14 34 52.960 -23 58 54.15           ~ 1 0
78 SMSS J144105.85-161618.9 QSO 14 41 05.850 -16 16 18.93           ~ 1 0
79 SMSS J144115.95-231330.3 QSO 14 41 15.950 -23 13 30.36           ~ 1 0
80 SMSS J144943.17-122717.5 QSO 14 49 43.1664536981 -12 27 17.526436973           ~ 3 0
81 SMSS J150527.83-204534.9 QSO 15 05 27.830 -20 45 34.95           ~ 2 0
82 2MASS J15133360-0634426 AGN 15 13 33.6060281208 -06 34 42.575654352           ~ 3 0
83 SMSS J152544.13-055550.5 QSO 15 25 44.130 -05 55 50.58           ~ 1 0
84 SMSS J162451.85-040328.8 AGN 16 24 51.850 -04 03 28.83           ~ 1 0
85 SMSS J162908.15-063713.1 AGN 16 29 08.150 -06 37 13.11           ~ 1 0
86 SMSS J191857.68-654452.3 QSO 19 18 57.68062584 -65 44 52.3786632           ~ 2 0
87 SMSS J192227.53-604214.7 QSO 19 22 27.530 -60 42 14.75           ~ 1 0
88 SMSS J195302.67-381548.4 QSO 19 53 02.66687400 -38 15 48.3982092           ~ 3 0
89 SMSS J200820.02-612922.6 QSO 20 08 20.020 -61 29 22.66           ~ 1 0
90 SMSS J201048.07-720516.5 AGN 20 10 48.070 -72 05 16.53           ~ 1 0
91 PSO J304.4228-28.2749 QSO 20 17 41.49426720 -28 16 29.9586720           ~ 4 0
92 PSO J304.6452-15.4774 QSO 20 18 34.86039120 -15 28 38.6878080           ~ 2 0
93 PSO J308.4315-30.3860 QSO 20 33 43.57256880 -30 23 09.8277720           ~ 2 0
94 SMSS J203425.55-545411.6 QSO 20 34 25.550 -54 54 11.69           ~ 1 0
95 SMSS J205140.79-734958.0 QSO 20 51 40.790 -73 49 58.07           ~ 1 0
96 SMSS J205525.69-514553.4 QSO 20 55 25.690 -51 45 53.43           ~ 1 0
97 SMSS J210223.12-022658.9 AGN 21 02 23.120 -02 26 58.95           ~ 1 0
98 SDSS J210846.96-020114.8 QSO 21 08 46.9644970944 -02 01 14.826828144           ~ 2 0
99 SDSS J211105.61-015604.1 QSO 21 11 05.6123832456 -01 56 04.198439868           ~ 9 0
100 SMSS J211134.23-581927.3 QSO 21 11 34.230 -58 19 27.34           ~ 1 0
101 SMSS J211920.85-772253.1 QSO 21 19 20.8645025794 -77 22 53.270560974           ~ 6 0
102 SMSS J212434.76-335226.3 QSO 21 24 34.760 -33 52 26.39           ~ 1 0
103 2MASS J21254096-1719514 QSO 21 25 40.9656573528 -17 19 51.407507784           ~ 9 0
104 SMSS J212830.32-704130.1 QSO 21 28 30.320 -70 41 30.18           ~ 1 0
105 SMSS J215228.22-444603.9 QSO 21 52 28.220 -44 46 03.91           ~ 2 0
106 SMSS J215406.10-380624.1 QSO 21 54 06.100 -38 06 24.11           ~ 1 0
107 2MASS J21544503-3826326 QSO 21 54 45.0448571448 -38 26 32.550704376           ~ 15 1
108 SMSS J215751.00-294831.2 QSO 21 57 51.000 -29 48 31.25           ~ 1 0
109 SMSS J220233.86-602034.0 AGN 22 02 33.860 -60 20 34.01           ~ 1 0
110 CRATES J222235-282805 BLL 22 22 36.790 -28 27 50.71           ~ 4 1
111 SMSS J222701.38-393357.7 QSO 22 27 01.380 -39 33 57.73           ~ 1 0
112 SMSS J224001.08-122509.1 QSO 22 40 01.080 -12 25 09.12           ~ 1 0
113 SDSS J224221.47-035458.3 QSO 22 42 21.4760238576 -03 54 58.354191180           ~ 2 0
114 ATPMN J224424.8-451555 QSO 22 44 24.830 -45 15 54.94           ~ 3 0
115 SMSS J224821.47-212553.8 QSO 22 48 21.470 -21 25 53.82           ~ 1 0
116 SMSS J225353.21-552000.4 QSO 22 53 53.210 -55 20 00.47           ~ 1 0
117 PSO J344.1382-12.7332 QSO 22 56 33.17428560 -12 43 59.6385120           ~ 2 0
118 2MASS J23242107-0555516 QSO 23 24 21.0718958568 -05 55 51.640248396           ~ 2 0
119 2MASS J23253931-0653005 QSO 23 25 39.3067127736 -06 53 00.424070412           ~ 3 0
120 SMSS J232845.81-154439.9 QSO 23 28 45.810 -15 44 39.95           ~ 1 0
121 EC 23421-7219 QSO 23 44 57.670 -72 03 04.68 15.34 16.05 15.82     ~ 2 0
122 SMSS J234906.84-170843.2 QSO 23 49 06.840 -17 08 43.22           ~ 1 0

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