2006MNRAS.370.1034C

Query : 2006MNRAS.370.1034C

2006MNRAS.370.1034C - Mon. Not. R. Astron. Soc., 370, 1034-1045 (2006/August-1)

A FIRST-APM-SDSS survey for high-redshift radio QSOs.

CARBALLO R., GONZALEZ-SERRANO J.I., MONTENEGRO-MONTES F.M., BENN C.R., MACK K.-H., PEDANI M. and VIGOTTI M.

Abstract (from CDS):

We selected from the VLA FIRST survey a sample of 94 objects with star-like counterparts in the Sloan Digital Sky Survey (SDSS), and with APM POSS-I colour O - E ≥ 2, i.e. consistent with their being high-redshift quasars. 78 of the 94 candidates can be classified spectroscopically on the basis of either published data (mainly SDSS) or the observations presented here. The fractions of QSOs (51 out of 78) and redshift z > 3 QSOs (23 out of 78, 29 per cent) are comparable to those found in other photometric searches for high-redshift QSOs. We confirm that selecting colour O - E ≥ 2 ensures inclusion of all QSOs with 3.7 ≤ z ≤ 4.4. The fraction of 2 ≤ z ≤ 4.4 QSOs with broad absorption lines (BALs) is 27±10 per cent (7/26) and the estimated BAL fraction for radio-loud QSOs is at least as high as for optically selected QSOs (∼13 per cent). Both the high BAL fraction and the high fraction of low-ionization BALs among BALs (four to five out of seven) in our sample, compared to previous work, are likely due to the red colour selection O - E ≥ 2. The space density of radio-loud QSOs in the range with MAB(1450) ≤ -26.6 and P ≥ 1025.7W.Hz–1 is 1.7±0.6Gpc–3. Adopting a radio-loud fraction of 13.4±3 per cent, this corresponds to ρ = 12.5±5.6Gpc–3, in substantial agreement with the cumulative luminosity function of SDSS QSOs in Fan et al. We note the unusual flat-spectrum radio-luminous QSO FIRST 1413+4505 (z = 3.11), which shows strong associated Lyα absorption (rest-frame equivalent width ∼40Å) and an extreme observed luminosity, L ∼ 2x1015L☉.

Abstract Copyright: 2006 The Authors. Journal compilation © 2006 RAS

Journal keyword(s): surveys - galaxies: high-redshift - quasars: general - early Universe - radio continuum: galaxies

VizieR on-line data: <Available at CDS (J/MNRAS/370/1034): table2.dat>

Simbad objects: 100

goto Full paper

goto View the references in ADS

Number of rows : 100
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 NAME SMM J023952-0136 Sy2 02 39 51.9 -01 35 58     21.90     ~ 40 0
2 2MASS J08084448+4403578 Q? 08 08 44.4752245920 +44 03 57.966881904       18.79   ~ 1 0
3 NVSS J081846+303124 Sy1 08 18 45.6741289392 +30 31 25.338428904   21.10 20.37 19.00   ~ 21 0
4 2MASS J08205019+4219020 LM* 08 20 50.1872154024 +42 19 01.884881604   17.82   15.42   M2V 4 0
5 QSO J0831+5245 QSO 08 31 41.7108197808 +52 45 17.616994560   19.2   14.5 13.9 ~ 574 1
6 [VV2006] J083749.6+364145 QSO 08 37 49.5974221464 +36 41 45.580883352   20.48 19.65 18.65   ~ 30 0
7 2MASS J08454699+4903394 Q? 08 45 47.0161067472 +49 03 39.387429864   19.67   17.27   ~ 2 0
8 2MASS J08493251+3933458 LM* 08 49 32.5039029432 +39 33 45.809566524   19.51   17.02   M0V 4 0
9 2MASS J08530916+4754444 Q? 08 53 09.1702491576 +47 54 44.370151920   19.00   17.08   ~ 1 0
10 2MASS J08533791+4254282 LM* 08 53 37.8855594936 +42 54 28.060273332       18.95   M2V 4 0
11 [VV2006] J090000.3+404605 QSO 09 00 00.2961705216 +40 46 04.791393948   21.38 20.67 19.51   ~ 26 0
12 2MASS J09165287+3927146 Sy1 09 16 52.7971228344 +39 27 14.736603924   20.60 19.73     ~ 7 0
13 [VV2006] J094003.0+511602 QSO 09 40 03.0245808072 +51 16 02.719730532   20.44 19.68 18.47   ~ 35 0
14 [VV2006] J094119.3+511932 QSO 09 41 19.4276768616 +51 19 32.885710356   20.65 19.06 18.02   ~ 11 0
15 SDSS J094310.67+423016.7 QSO 09 43 10.6736480232 +42 30 16.672388976   20.52 19.85 19.02   ~ 20 0
16 2MASS J09555513+5005447 QSO 09 55 55.1316484896 +50 05 44.669501988   20.05   17.69   ~ 11 1
17 2MASS J09565579+5257118 LM* 09 56 55.7811668784 +52 57 11.582498448   21.50   18.40   M2V 4 0
18 2MASS J10074875+5412521 LM* 10 07 48.7462408536 +54 12 52.035322932   21.33   18.26   M4V 4 0
19 [VV2006] J100802.1+421839 QSO 10 08 02.0704255008 +42 18 39.252624732   20.72 20.17 19.35   ~ 22 0
20 [VV2006] J101110.8+423937 QSO 10 11 10.7639486976 +42 39 37.122820380   19.89 19.07     ~ 39 1
21 [VV96] J102434.5+470911 Sy1 10 24 34.5 +47 09 11     20.5     ~ 489 0
22 2MASS J10340184+5007465 * 10 34 01.8376737912 +50 07 46.586176788   19.50   17.09   K5V 2 0
23 SDSS J103902.17+493139.1 QSO 10 39 02.1779783352 +49 31 39.130095216   20.88 20.25 19.48   ~ 13 0
24 4C 47.32 QSO 10 39 15.6757934688 +47 05 41.085350052   21.17 20.30 19.51   ~ 16 1
25 7C 104359.50+484305.00 QSO 10 46 57.1597032984 +48 27 23.777954316   21.06 20.11     ~ 25 1
26 SDSS J104806.18+563021.4 QSO 10 48 06.1892069040 +56 30 21.450634092   21.76 20.57 19.57   ~ 20 0
27 2MASS J10495046+5208426 Q? 10 49 50.4784564752 +52 08 42.591038892   16.31   14.19   ~ 1 0
28 QSO J1057+4555 QSO 10 57 56.2610108784 +45 55 53.070401748   20.19 18.80 17.2 16.8 ~ 118 0
29 [VV2006] J110202.0+533912 QSO 11 02 01.9147569360 +53 39 12.628735488   22.88 21.56 19.64   ~ 27 0
30 2MASS J11044342+5030577 Q? 11 04 43.4273654184 +50 30 57.465609408   21.20   18.19   ~ 1 0
31 [VV2006] J111055.2+430509 QSO 11 10 55.2174702288 +43 05 10.172491368   21.04 19.79 18.08   ~ 31 0
32 SDSS J112436.15+470220.5 QSO 11 24 36.1649814528 +47 02 20.493166236   21.54   18.72   ~ 2 0
33 [VV2010c] J112907.1+575605 Sy2 11 29 07.1038338576 +57 56 05.205613092   20.51 19.56 17.32   ~ 14 0
34 [VV2006] J112956.1+513346 QSO 11 29 56.1703550808 +51 33 46.517689152   20.68 20.28 18.94   ~ 24 0
35 2MASS J11304309+5141338 LM* 11 30 43.0870648632 +51 41 33.900555264           M2V 5 0
36 SDSS J113256.62+435427.6 QSO 11 32 56.6387727408 +43 54 27.643053744       19.58   ~ 9 0
37 [VV2006] J113445.8+431858 QSO 11 34 45.8313405936 +43 18 58.018682088   21.35 20.32     ~ 22 0
38 FIRST J113551.3+424517 Sy1 11 35 51.3060040104 +42 45 18.012833820   20.05 19.83 19.41   ~ 12 0
39 7C 113344.10+570016.00 QSO 11 36 27.9584134272 +56 43 41.804482944   20.57 19.97 18.68   ~ 25 1
40 2MASS J11372729+4733412 Q? 11 37 27.3111573384 +47 33 41.462884476       19.84   ~ 1 0
41 NVSS J114034+442340 Rad 11 40 34.9495765248 +44 23 38.832948240   20.40   18.10   ~ 1 0
42 7C 114511.00+494457.00 QSO 11 47 49.8065033928 +49 28 06.876817284   22.13   19.82   ~ 13 1
43 6C 115034+570822 QSO 11 53 13.0686713904 +56 51 26.231192208   20.47 19.82 19.06   ~ 26 1
44 FIRST J121021.3+463602 Q? 12 10 21.4666715928 +46 36 01.861168464       19.91   ~ 1 0
45 2MASS J12195715+4849268 QSO 12 19 57.1622458368 +48 49 26.820423336       19.69   ~ 9 0
46 2MASS J12204242+4809067 LM* 12 20 42.4268087232 +48 09 06.885260136   21.03   17.82   M0V 5 0
47 [VV2006] J122703.2+505356 QSO 12 27 03.1962516984 +50 53 56.208944256   20.02 19.27 18.77   ~ 28 0
48 2MASS J12313819+5753428 LM* 12 31 38.1189739224 +57 53 42.848220300   19.31   16.42   M0V 5 0
49 [VV2006] J123427.2+451955 QSO 12 34 27.2510498256 +45 19 55.596078732   21.63 20.94 20.18   ~ 24 0
50 [VV2006] J124054.9+543651 QSO 12 40 54.9134346096 +54 36 52.191730548   22.03 20.77 19.74   ~ 30 0
51 SDSS J124710.29+555557.3 QSO 12 47 10.2916111560 +55 55 57.281755764   20.11 19.83 19.58   ~ 21 0
52 2MASS J13080119+5307513 QSO 13 08 01.1867768616 +53 07 51.246844248   19.44 18.78 18.08   ~ 21 1
53 [VV2006] J130940.6+573309 QSO 13 09 40.6881155592 +57 33 09.929512008   21.94 20.68 19.5   ~ 40 0
54 [VV2006] J131003.4+535347 QSO 13 10 03.3487731216 +53 53 48.268940172   20.08 19.72 19.34   ~ 35 1
55 2MASS J13133003+5146418 LM* 13 13 30.1020666264 +51 46 41.409237432   22.28   18.96   M1V 4 0
56 SDSS J131943.44+440350.1 QSO 13 19 43.4456937168 +44 03 50.302026864       20.22   ~ 7 0
57 [VV2006] J132330.4+545955 QSO 13 23 30.4072838928 +54 59 55.665659364   19.20 19.01 18.76   ~ 29 0
58 2MASS J13292824+5054341 LM* 13 29 28.2296797152 +50 54 34.065473076   21.26   18.52   M3V 4 0
59 2MASS J13340181+5527332 LM* 13 34 01.8188922888 +55 27 33.023577456   20.99   18.13   M0V 4 0
60 [VV2006] J134236.9+432632 QSO 13 42 36.9585140760 +43 26 32.061349788   20.62 19.89 19.06   ~ 25 0
61 SDSS J134311.79+430534.7 Sy1 13 43 11.7994907784 +43 05 34.759496724   21.19 20.71 20.59   ~ 12 1
62 FIRST J135306.0+550834 Q? 13 53 06.0130436568 +55 08 35.242673712   21.45   19.41   ~ 1 0
63 2MASS J13582984+4239552 Q? 13 58 29.85 +42 39 55.3   18.24   15.60   ~ 1 0
64 2MASS J14012223+4401574 Sy1 14 01 22.2227096616 +44 01 57.171082692   20.97 20.18 19.43   ~ 17 0
65 SDSS J140551.55+515517.8 Sy2 14 05 51.5641965336 +51 55 17.838717132   21.62   19.45   ~ 4 0
66 [VV2006] J140815.3+555346 QSO 14 08 15.2567520408 +55 53 46.485256380   21.55 20.41 19.29   ~ 26 0
67 [VV2006] J141318.9+450523 Bla 14 13 18.8641 +45 05 23.012   20.70 19.98 19.27   ~ 50 1
68 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 678 0
69 NVSS J142013+504903 Rad 14 20 13.6725725472 +50 48 55.457882388       19.64   ~ 1 0
70 2MASS J14203371+5739011 Sy1 14 20 33.7045327584 +57 39 00.912899304   20.17 19.29     ~ 23 0
71 [VV2006] J142243.0+441721 QSO 14 22 43.0262924160 +44 17 21.323456196   19.96 19.08     ~ 39 0
72 SDSS J143141.07+515642.4 QSO 14 31 41.0734128960 +51 56 42.455387688   21.83   19.67   ~ 11 0
73 6C 143417+473823 QSO 14 36 06.6227521368 +47 25 31.904932332   20.32 19.56 18.73   ~ 24 1
74 SDSS J144010.73+505556.0 LM* 14 40 10.7407813776 +50 55 55.961636448       19.75   M2V 4 0
75 [VV2006] J145525.9+485701 QSO 14 55 25.9521759288 +48 57 01.557907848   20.68 20.02 19.39   ~ 33 0
76 QSO J1459+4931 QSO 14 59 26.3302909080 +49 31 36.830137548   20.41 19.59 18.71   ~ 32 0
77 QSO J1502+4837 QSO 15 02 26.8997425752 +48 37 11.336800512   19.58 19.28 18.24   ~ 47 1
78 2MASS J15025955+4512550 Q? 15 02 59.5308626784 +45 12 55.095362784   20.74   18.43   ~ 1 0
79 [VV2006] J150643.8+533133 QSO 15 06 43.8069787992 +53 31 34.459949964   20.66 19.82 17.89   ~ 34 0
80 2MASS J15093901+4346487 LM* 15 09 39.0117559152 +43 46 48.748573884       18.47   M2V 5 0
81 QSO B1508+572 QSO 15 10 02.92237321 +57 02 43.3759220   22.73 21.38 19.23   ~ 223 1
82 NAME MS 1512-cB58 AGN 15 14 22.2751 +36 36 25.674     20.64   20.35 ~ 326 0
83 FIRST J151422.4+363620 rG 15 14 22.482 +36 36 21.08           ~ 146 1
84 [VV2006] J151601.5+430931 QSO 15 16 01.5237340488 +43 09 31.432065264   19.47 19.02     ~ 28 0
85 2MASS J15393849+5510336 LM* 15 39 38.4865479000 +55 10 33.374120448       19.15   M5V 3 0
86 2MASS J15461765+4000354 LM* 15 46 17.7081083688 +40 00 35.570555892   21.01   18.38   M4V 4 0
87 2MASS J15484308+3914590 LM* 15 48 43.1064148056 +39 14 58.404655860   21.36   18.45   M2V 4 0
88 2MASX J15505900+3707225 Sy1 15 50 59.0487262200 +37 07 22.540473012   19.80 19.13 17.40   ~ 17 0
89 QSO J1556+3517 QSO 15 56 33.7774602000 +35 17 57.390028908   21.39 20.68 19.07   ~ 89 1
90 2MASS J16062817+3227109 LM* 16 06 28.19187 +32 27 10.7148   20.67   17.85   M0V 6 1
91 SDSS J161007.07+394132.8 LM* 16 10 07.0762056888 +39 41 32.764578576   20.98   18.61   M0V 3 0
92 2MASS J16115068+4344126 LM* 16 11 50.6847416976 +43 44 12.713555616           M2V 5 0
93 2MASS J16172312+3228183 Sy1 16 17 23.1218405088 +32 28 18.249899952   20.22 19.42 17.97   ~ 17 0
94 [VV2006] J161933.7+302115 QSO 16 19 33.6547423584 +30 21 15.057452988   21.66 20.64 18.70   ~ 31 0
95 4C 37.46 BLL 16 21 11.2759546848 +37 46 04.839440412   20.47 19.65 18.85   ~ 49 1
96 QSO J1624+3758 QSO 16 24 53.4799442184 +37 58 06.649886388   19.62 19.05 18.47   ~ 53 0
97 SDSS J163317.70+425108.4 QSO 16 33 17.7108619680 +42 51 08.410781088   19.71 19.41 19.18   ~ 8 0
98 2MASS J16353536+3524170 LM* 16 35 35.3454868656 +35 24 17.190937116   21.26   18.50   M0V 4 0
99 FIRST J163634.4+315853 Rad 16 36 34.4566637568 +31 58 54.217475868   19.20   16.80   ~ 1 0
100 [VV2006] J163950.5+434004 QSO 16 39 50.5194357432 +43 40 03.701223408   19.59 18.67 17.8 17.4 ~ 45 1

To bookmark this query, right click on this link: simbad:objects in 2006MNRAS.370.1034C and select 'bookmark this link' or equivalent in the popup menu