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Query : 2004MNRAS.349..503G |
2004MNRAS.349..503G - Mon. Not. R. Astron. Soc., 349, 503-517 (2004/April-1)
Implications for unified schemes from the quasar fraction and emission-line luminosities in radio-selected samples.
GRIMES J.A., RAWLINGS S. and WILLOTT C.J.
Abstract (from CDS):
Luminosity-dependent unified schemes (e.g. a receding-torus scheme) have been invoked to explain the low quasar-to-radio galaxy fraction at low α and the differences in emission-line luminosities of radio quasars and radio galaxies. With the constraints of the 3CRR, 6CE and 7CRS data sets and radio source counts, our GLF approach was used to determine whether a receding-torus-like scheme is required if there are two populations of radio sources: one at low α, consisting of `starved AGN'; the other at high α, consisting of `Eddington-tuned AGN'. Because of the overlap between these two populations and the effects of the β parameter, schemes with or without a receding torus can produce a low quasar fraction at low α and differences in [Oiii] luminosity between radio galaxies and quasars. The receding torus may be a physical process important in one or more populations of radio sources, but this is not yet proved either by the quasar fraction or the emission-line properties of radio-selected samples.
Abstract Copyright: 2004 RAS
Journal keyword(s): galaxies: active - galaxies: evolution - quasars: general
Simbad objects: 72
Number of rows : 72 |
N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 2C 26 | BLL | 00 20 25.2231670656 | +15 40 54.774271884 | 17.92 | 17.62 | ~ | 342 | 1 | |||
2 | 3C 22.0 | Sy1 | 00 50 56.3 | +51 12 03 | 22.0 | ~ | 150 | 0 | ||||
3 | 3C 33.1 | Sy1 | 01 09 42.2 | +73 11 53 | 19.5 | ~ | 144 | 1 | ||||
4 | 3C 41.0 | rG | 01 26 44.4 | +33 13 11 | 21 | ~ | 169 | 1 | ||||
5 | 7C 020414.30+332223.00 | QSO | 02 07 11.2298726424 | +33 36 36.382647960 | 19.30 | ~ | 18 | 1 | ||||
6 | 7C 0208+3334 | QSO | 02 11 34.1 | +33 48 24 | ~ | 12 | 1 | |||||
7 | 5C 6.34 | QSO | 02 11 34.2723344064 | +31 35 35.442429612 | 19.30 | ~ | 14 | 1 | ||||
8 | 5C 6.95 | QSO | 02 14 43.9440829608 | +29 50 37.354649892 | 20.0 | ~ | 19 | 0 | ||||
9 | 5C 6.160 | QSO | 02 17 43.3268660568 | +33 35 05.620078860 | 19.00 | ~ | 17 | 1 | ||||
10 | 5C 6.237 | QSO | 02 20 48.0530998224 | +32 41 06.464855220 | 19.0 | 19.40 | ~ | 39 | 1 | |||
11 | 3C 65 | rG | 02 23 43.2 | +40 00 53 | 23.0 | ~ | 184 | 1 | ||||
12 | 5C 6.279 | rG | 02 23 47.7 | +34 15 20 | 17.0 | ~ | 10 | 0 | ||||
13 | 7C 022118.10+273638.00 | Sy1 | 02 24 12.2865158736 | +27 50 11.538285648 | 19.502 | 18 | 18.263 | ~ | 209 | 1 | ||
14 | 5C 6.287 | QSO | 02 25 18.0506847216 | +31 52 32.391742800 | 19.50 | ~ | 15 | 1 | ||||
15 | 3C 68.2 | rG | 02 34 23.9 | +31 34 17 | 24 | ~ | 138 | 1 | ||||
16 | 3C 79.0 | Sy2 | 03 10 00.0936589848 | +17 05 58.599361932 | 19.54 | 18.75 | ~ | 257 | 3 | |||
17 | NGC 1265 | GiC | 03 18 15.674 | +41 51 27.94 | 14.7 | ~ | 366 | 2 | ||||
18 | ICRF J041340.3+111214 | Sy1 | 04 13 40.34100355 | +11 12 14.7860055 | 18.96 | 18.01 | ~ | 324 | 2 | |||
19 | 3C 184.1 | Sy2 | 07 42 56.3 | +80 26 36 | 17.0 | ~ | 184 | 1 | ||||
20 | 7C 0808+2854 | QSO | 08 11 36.8956979880 | +28 45 03.617834976 | 18.75 | 18.49 | ~ | 64 | 1 | |||
21 | 5C 7.17 | QSO | 08 12 58.619 | +26 51 54.13 | ~ | 17 | 1 | |||||
22 | 5C 7.70 | Rad | 08 17 05.90 | +29 18 12.1 | ~ | 9 | 0 | |||||
23 | 5C 7.87 | QSO | 08 18 03.3496729680 | +24 49 04.876844844 | ~ | 11 | 2 | |||||
24 | 7C 0816+2651 | QSO | 08 19 16.6156811712 | +26 42 03.246228036 | 19.20 | 19.10 | 18.6 | ~ | 47 | 1 | ||
25 | 5C 7.230 | QSO | 08 24 33.00930681 | +24 38 43.1160776 | 19.93 | 19.41 | ~ | 29 | 1 | |||
26 | 6C 082426+353503 | QSO | 08 27 38.58824866 | +35 25 05.0779331 | 21.09 | 20.77 | 18.48 | ~ | 86 | 1 | ||
27 | 7C 0825+2930 | QSO | 08 28 09.38778 | +29 20 19.5737 | 19.69 | 19.48 | ~ | 22 | 1 | |||
28 | 4C 38.28 | QSO | 09 16 48.90457434 | +38 54 28.1463634 | 19.92 | 19.38 | 18.77 | ~ | 143 | 1 | ||
29 | 3C 219 | Sy1 | 09 21 08.6258123424 | +45 38 57.358202856 | 19.56 | 18.69 | ~ | 409 | 2 | |||
30 | 3C 220.1 | BLL | 09 32 38.8 | +79 06 28 | 20.5 | ~ | 135 | 1 | ||||
31 | 4C 36.16 | Rad | 09 39 52.5 | +35 54 13 | ~ | 271 | 0 | |||||
32 | 3C 223.0 | Sy2 | 09 39 52.7594046216 | +35 53 58.922078496 | 19.51 | 18.60 | ~ | 270 | 1 | |||
33 | 3C 226.0 | Sy1 | 09 44 16.51944 | +09 46 16.9068 | 19.5 | ~ | 129 | 2 | ||||
34 | 4C 38.30 | QSO | 09 58 02.7911210928 | +38 29 59.269224660 | 20.72 | 20.01 | ~ | 50 | 1 | |||
35 | 3C 234.0 | Sy1 | 10 01 49.5227371368 | +28 47 08.943487440 | 18.21 | 17.27 | ~ | 431 | 1 | |||
36 | 4C 74.16 | G | 10 14 14.5 | +74 37 34 | ~ | 38 | 1 | |||||
37 | 4C 36.17 | Rad | 10 38 51.3 | +36 01 15 | ~ | 17 | 1 | |||||
38 | 7C 104545.79+351316.00 | QSO | 10 48 34.2449674944 | +34 57 24.874781184 | ~ | 52 | 1 | |||||
39 | 4C 37.31 | rG | 11 32 35.9 | +36 54 12 | 23 | ~ | 40 | 1 | ||||
40 | 3C 265.0 | Sy1 | 11 45 29.0 | +31 33 50 | 20.0 | ~ | 247 | 0 | ||||
41 | NVSS J114538+364628 | Rad | 11 45 38.4 | +36 46 27 | ~ | 13 | 1 | |||||
42 | 6C 1148+3842 | QSO | 11 51 29.3612242776 | +38 25 52.374506052 | 17.22 | 17.04 | ~ | 131 | 2 | |||
43 | NVSS J120154+363454 | Rad | 12 01 54.5 | +36 34 54 | ~ | 16 | 1 | |||||
44 | 3C 268.3 | Sy1 | 12 06 24.70656 | +64 13 36.8760 | 21.847 | 20.790 | 19.910 | ~ | 188 | 1 | ||
45 | 4C 35.28 | QSO | 12 15 55.60104732 | +34 48 15.2206367 | 20.0 | 19.4 | ~ | 107 | 1 | |||
46 | 6C 1220+3723 | QSO | 12 23 11.1478208184 | +37 07 01.539442704 | 18.66 | 18.42 | ~ | 61 | 1 | |||
47 | 2C 1066 | SyG | 12 56 57.5 | +47 20 20 | 22.0 | ~ | 281 | 0 | ||||
48 | 2MASSI J1257238+364418 | Sy1 | 12 57 23.8534530600 | +36 44 18.609176904 | 19.02 | 18.95 | ~ | 68 | 1 | |||
49 | 3C 288 | rG | 13 38 49.9 | +38 51 15 | 18.3 | ~ | 170 | 1 | ||||
50 | 3C 292 | rG | 13 50 42.04 | +64 29 30.0 | 20.7 | 20.7 | 21.1 | ~ | 84 | 1 | ||
51 | 3C 295 | Sy2 | 14 11 20.6 | +52 12 09 | 22.34 | 20.80 | 18.54 | ~ | 979 | 5 | ||
52 | NGC 5532 | LIN | 14 16 52.9532 | +10 48 26.618 | 13.3 | 12.59 | ~ | 347 | 3 | |||
53 | ICRF J144302.7+520137 | Sy1 | 14 43 02.76069031 | +52 01 37.2985156 | 18.96 | 18.29 | ~ | 300 | 3 | |||
54 | VV 204 | LIN | 15 04 57.1195361592 | +26 00 58.455780156 | 15.24 | ~ | 288 | 0 | ||||
55 | 3C 314.1 | rG | 15 10 23.1 | +70 45 54 | 17 | ~ | 89 | 0 | ||||
56 | 4C 26.47 | AGN | 15 13 40.0235447784 | +26 07 23.749576572 | 16.30 | ~ | 230 | 1 | ||||
57 | 3C 321 | Sy2 | 15 31 43.473 | +24 04 18.93 | 16.0 | 15.40 | ~ | 326 | 1 | |||
58 | 7C 154914.09+625020.00 | QSO | 15 49 59.2 | +62 41 18 | 21.92 | 20.70 | ~ | 143 | 2 | |||
59 | NGC 6109 | LIN | 16 17 40.539 | +35 00 15.17 | 14.9 | ~ | 180 | 2 | ||||
60 | NGC 6251 | Sy2 | 16 32 31.96989253 | +82 32 16.3999044 | 15.24 | 14.66 | 12.89 | 7.62 | ~ | 727 | 0 | |
61 | NAME Her B | Sy1 | 16 42 58.80997043 | +39 48 36.9939552 | 16.81 | 16.59 | 16.84 | ~ | 1724 | 2 | ||
62 | ICRF J183503.3+324146 | Sy1 | 18 35 03.3896172576 | +32 41 46.855964616 | 16.50 | 15.39 | 10.50 | ~ | 652 | 1 | ||
63 | 3C 386.0 | rG | 18 38 26.25747 | +17 11 49.6210 | ~ | 197 | 1 | |||||
64 | ICRF J184208.9+794617 | Sy1 | 18 42 08.9904975672 | +79 46 17.127835104 | 16.06 | 15.38 | ~ | 1316 | 0 | |||
65 | NAME Cyg A | Sy2 | 19 59 28.35656837 | +40 44 02.0972325 | 16.22 | 15.10 | ~ | 2366 | 2 | |||
66 | 3C 427.1 | rG | 21 04 07.5 | +76 33 10 | 23.3 | 21.1 | ~ | 156 | 1 | |||
67 | 3C 432.0 | QSO | 21 22 46.3251704424 | +17 04 37.916198832 | 18.18 | 17.96 | ~ | 215 | 2 | |||
68 | 4C 11.71 | QSO | 22 49 54.58599807 | +11 36 30.8455760 | 14.4 | 13.01 | ~ | 176 | 2 | |||
69 | BWE 2249+1832 | QSO | 22 51 34.7277468096 | +18 48 40.087264428 | 18.52 | 18.4 | ~ | 226 | 2 | |||
70 | 3C 454.3 | Bla | 22 53 57.7480438728 | +16 08 53.561508864 | 16.57 | 16.10 | 15.22 | ~ | 2845 | 2 | ||
71 | 3C 455.0 | Sy2 | 22 55 03.8 | +13 13 34 | 19.535 | 19.590 | 19.190 | ~ | 193 | 2 | ||
72 | NGC 7720 | Sy1 | 23 38 29.38324020 | +27 01 53.2580084 | 13.9 | 13.3 | ~ | 541 | 4 |
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