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Query : 2006MNRAS.366..480G |
2006MNRAS.366..480G - Mon. Not. R. Astron. Soc., 366, 480-490 (2006/February-3)
Emission-line properties of Seyfert 2 nuclei.
GU Q., MELNICK J., CID FERNANDES R., KUNTH D., TERLEVICH E. and TERLEVICH R.
Abstract (from CDS):
Emission-line ratios indicative of the gas excitation such as [Oiii]/Hβ and [Oiii]/[Oii] are statistically smaller for Seyferts with significant star formation, implying that ionization by massive stars is responsible for a substantial and sometimes even a dominant fraction of the Hβ and [Oii] fluxes. We use our models to constrain the maximum fraction of the ionizing power that can be generated by a hidden active galactic nucleus (AGN). We correlate this fraction with classical indicators of AGN photoionization (i.e. X-ray luminosity and nebular excitation), but find no significant correlations. Thus, while there is a strong contribution of starbursts to the excitation of the nuclear nebular emission in low-luminosity Seyferts, the contribution of the hidden AGN remains elusive even in hard X-rays.
Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS
Journal keyword(s): galaxies: active - galaxies: Seyfert - galaxies: starburst - galaxies: statistics
VizieR on-line data: <Available at CDS (J/MNRAS/366/480): table1.dat>
Simbad objects: 68
Number of rows : 68 |
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 | NGC 424 | Sy2 | 01 11 27.6385025496 | -38 05 00.421096524 | 13.76 | 14.12 | 12.38 | 12.8 | ~ | 324 | 0 | |
2 | IC 1657 | Sy2 | 01 14 07.018 | -32 39 03.23 | 13.16 | 12.02 | 13.0 | ~ | 116 | 0 | ||
3 | NGC 788 | Sy2 | 02 01 06.4628889816 | -06 48 57.149808084 | 13.71 | 12.76 | 11.79 | ~ | 265 | 0 | ||
4 | M 77 | Sy2 | 02 42 40.7091669408 | -00 00 47.859690204 | 9.70 | 9.61 | 8.87 | 10.1 | 9.9 | ~ | 4600 | 2 |
5 | NGC 1125 | Sy2 | 02 51 40.44 | -16 39 02.4 | 13.98 | 13.13 | 12.48 | ~ | 136 | 0 | ||
6 | NGC 1672 | SyG | 04 45 42.552 | -59 14 50.68 | 10.29 | 10.53 | 9.68 | 9.53 | 10.2 | ~ | 400 | 1 |
7 | NGC 1667 | Sy2 | 04 48 37.1804579280 | -06 19 11.824427712 | 13.66 | 12.86 | 11.72 | ~ | 364 | 1 | ||
8 | ESO 362-8 | Sy2 | 05 11 09.098 | -34 23 36.74 | 13.62 | 12.65 | 12.46 | ~ | 72 | 0 | ||
9 | NGC 2110 | Sy2 | 05 52 11.3768668776 | -07 27 22.507465392 | 14.77 | 13.51 | 11.86 | ~ | 662 | 1 | ||
10 | ESO 428-14 | Sy2 | 07 16 31.2062162520 | -29 19 28.882826364 | 13.28 | 13.52 | 11.61 | ~ | 263 | 4 | ||
11 | Mrk 1210 | Sy2 | 08 04 05.8608218112 | +05 06 49.823376120 | 14.55 | 13.7 | ~ | 306 | 2 | |||
12 | NGC 2979 | GiP | 09 43 08.6387939688 | -10 22 59.995646472 | 14 | ~ | 53 | 1 | ||||
13 | NGC 2992 | Sy2 | 09 45 42.045 | -14 19 34.90 | 13.54 | 13.14 | 12.18 | 12.6 | 12.2 | ~ | 890 | 3 |
14 | ESO 434-40 | Sy2 | 09 47 40.1332188528 | -30 56 55.960779696 | 14.10 | 13.69 | 12.44 | ~ | 552 | 0 | ||
15 | IC 2510 | Sy2 | 09 47 43.3494 | -32 50 10.975 | 15.5 | ~ | 50 | 0 | ||||
16 | NGC 3035 | Sy2 | 09 51 55.0312678680 | -06 49 22.526000580 | 13.73 | 13.5 | 12.55 | ~ | 74 | 0 | ||
17 | NGC 3081 | Sy2 | 09 59 29.5437024336 | -22 49 34.747341960 | 13.06 | 13.55 | 11.67 | 12.1 | ~ | 466 | 0 | |
18 | IC 2560 | Sy2 | 10 16 18.7073057664 | -33 33 49.720274676 | 12.53 | 13.31 | 11.25 | 12.2 | ~ | 260 | 0 | |
19 | NGC 3256 | Sy2 | 10 27 51.284 | -43 54 13.55 | 11.83 | 11.33 | 10.62 | 11.9 | ~ | 848 | 2 | |
20 | NGC 3281 | Sy2 | 10 31 52.086 | -34 51 13.40 | 12.62 | 14.02 | 11.17 | ~ | 364 | 0 | ||
21 | MCG+01-27-020 | Sy2 | 10 36 35.7949609728 | +05 54 38.079944820 | 14.7 | ~ | 42 | 0 | ||||
22 | NGC 3362 | Sy2 | 10 44 51.7308466464 | +06 35 48.665072040 | 17.58 | 16.96 | ~ | 159 | 0 | |||
23 | NGC 3393 | Sy2 | 10 48 23.4653152920 | -25 09 43.487648784 | 13.10 | 13.95 | 11.67 | 12.2 | ~ | 424 | 1 | |
24 | NGC 3660 | Sy2 | 11 23 32.2781260536 | -08 39 30.730097016 | 15.34 | 14.45 | ~ | 178 | 0 | |||
25 | IRAS 11215-2806 | Sy2 | 11 24 02.7219289536 | -28 23 15.489126168 | 15.7 | ~ | 61 | 0 | ||||
26 | NGC 4388 | Sy2 | 12 25 46.820 | +12 39 43.45 | 11.91 | 11.76 | 11.02 | ~ | 1340 | 2 | ||
27 | NGC 4507 | Sy2 | 12 35 36.6338976888 | -39 54 33.710416272 | 12.95 | 13.54 | 11.70 | 12.4 | ~ | 495 | 0 | |
28 | IC 3639 | Sy2 | 12 40 52.8344884344 | -36 45 21.057011172 | 13.01 | 13.50 | 11.87 | 12.7 | ~ | 247 | 1 | |
29 | ESO 323-32 | Sy2 | 12 53 20.3097014016 | -41 38 08.252887200 | 13.89 | 13.61 | 12.29 | ~ | 87 | 0 | ||
30 | ESO 269-12 | Sy2 | 12 56 40.5123469200 | -46 55 34.274942184 | 14.72 | 13.54 | 13.9 | ~ | 62 | 0 | ||
31 | NGC 4903 | Sy2 | 13 01 22.7751127320 | -30 56 06.083377404 | 13.74 | 12.49 | 13.40 | ~ | 47 | 0 | ||
32 | NGC 4941 | Sy2 | 13 04 13.1036380320 | -05 33 05.752803672 | 13.18 | 12.23 | 10.74 | ~ | 369 | 0 | ||
33 | NGC 4939 | Sy2 | 13 04 14.3280524928 | -10 20 22.300454724 | 14.81 | 13.80 | 10.92 | ~ | 309 | 1 | ||
34 | NGC 4968 | Sy2 | 13 07 05.976 | -23 40 37.34 | 13.78 | 14.79 | 12.46 | 12.78 | ~ | 182 | 1 | |
35 | MCG-03-34-064 | Sy2 | 13 22 24.4583154360 | -16 43 42.481822404 | 14 | 13.16 | ~ | 315 | 2 | |||
36 | NGC 5135 | Sy2 | 13 25 44.059 | -29 50 01.24 | 12.58 | 13.35 | 11.53 | 12.2 | ~ | 474 | 1 | |
37 | ESO 383-18 | Sy2 | 13 33 26.1018852696 | -34 00 53.311162860 | 15.29 | 15.32 | 14.30 | 14.25 | ~ | 83 | 0 | |
38 | NGC 5252 | Sy2 | 13 38 15.8707724328 | +04 32 33.521265600 | 15.21 | 14.21 | ~ | 480 | 0 | |||
39 | APG 271 | IG | 14 03 25.45 | -06 02 59.9 | ~ | 209 | 0 | |||||
40 | NGC 5427 | Sy1 | 14 03 26.0408044536 | -06 01 50.682790236 | 14.67 | 13.96 | 11.54 | ~ | 288 | 0 | ||
41 | Mrk 1370 | Sy2 | 14 08 04.0024196544 | +07 19 39.457831404 | 16.0 | ~ | 30 | 0 | ||||
42 | NGC 5506 | Sy2 | 14 13 14.8761010056 | -03 12 27.556909272 | 15.25 | 14.38 | ~ | 1091 | 0 | |||
43 | NGC 5643 | Sy2 | 14 32 40.778 | -44 10 28.60 | 11.03 | 13.60 | 9.92 | 10.6 | ~ | 571 | 0 | |
44 | NGC 5674 | Sy2 | 14 33 52.2788150880 | +05 27 30.117378924 | 13.7 | 13.70 | ~ | 183 | 0 | |||
45 | NGC 5728 | Sy2 | 14 42 23.8918506576 | -17 15 11.240783784 | 14.34 | 13.40 | ~ | 594 | 0 | |||
46 | NGC 5953 | GiP | 15 34 32.4 | +15 11 38 | 13.23 | 12.45 | ~ | 370 | 1 | |||
47 | ESO 137-34 | Sy2 | 16 35 14.114 | -58 04 48.10 | 12.20 | 10.84 | 11.6 | ~ | 141 | 0 | ||
48 | ESO 138-1 | Sy2 | 16 51 20.2789606296 | -59 14 04.184655576 | 14.35 | 13.63 | 13.02 | ~ | 142 | 0 | ||
49 | NGC 6221 | Sy2 | 16 52 46.329 | -59 13 00.99 | 10.90 | 13.45 | 9.68 | 10.4 | ~ | 309 | 0 | |
50 | NGC 6300 | Sy2 | 17 16 59.5418094960 | -62 49 13.946588832 | 10.88 | 13.08 | 9.44 | 10.2 | ~ | 431 | 0 | |
51 | ESO 103-35 | Sy2 | 18 38 20.3204821536 | -65 25 39.141804936 | 14.75 | 14.53 | 13.24 | ~ | 316 | 0 | ||
52 | IC 4769 | Sy2 | 18 47 44.0507117496 | -63 09 25.055124876 | 14.09 | 12.71 | 13.4 | ~ | 79 | 0 | ||
53 | IC 4777 | Sy2 | 18 48 11.2992178896 | -53 08 51.583361064 | 14.63 | 14.63 | 13.45 | ~ | 36 | 0 | ||
54 | NGC 6890 | Sy2 | 20 18 18.1057797216 | -44 48 24.750633168 | 13.06 | 14.02 | 11.57 | ~ | 164 | 0 | ||
55 | IC 4995 | Sy2 | 20 19 58.9795544088 | -52 37 18.903502956 | 14.32 | 14.06 | 12.84 | ~ | 62 | 0 | ||
56 | IC 5063 | Sy2 | 20 52 02.15 | -57 04 06.7 | 12.92 | 13.60 | 11.30 | ~ | 649 | 1 | ||
57 | UGC 11680 | Sy2 | 21 07 44.1 | +03 52 31 | ~ | 90 | 0 | |||||
58 | Mrk 897 | AGN | 21 07 45.894 | +03 52 39.50 | 15.39 | 14.76 | ~ | 102 | 1 | |||
59 | NGC 7130 | Sy2 | 21 48 19.5412287192 | -34 57 04.492024884 | 12.86 | 13.87 | 11.57 | ~ | 450 | 0 | ||
60 | NGC 7172 | Sy2 | 22 02 01.897 | -31 52 11.60 | 12.72 | 13.61 | 11.15 | 25.10 | ~ | 529 | 1 | |
61 | NGC 7212 | Sy2 | 22 07 01.9870259424 | +10 14 00.838175892 | 15.1 | ~ | 196 | 1 | ||||
62 | NGC 7314 | Sy2 | 22 35 46.1985355872 | -26 03 01.564993476 | 11.62 | 13.11 | 10.61 | 11.4 | ~ | 565 | 0 | |
63 | NGC 7496 | Sy2 | 23 09 47.2876854912 | -43 25 40.279652796 | 11.92 | 13.90 | 10.95 | 11.5 | ~ | 294 | 1 | |
64 | NGC 7582 | Sy2 | 23 18 23.60 | -42 22 13.3 | 11.62 | 10.92 | 10.62 | ~ | 906 | 2 | ||
65 | NGC 7590 | Sy1 | 23 18 54.7949760192 | -42 14 20.515300476 | 12.12 | 13.76 | 11.06 | 11.8 | ~ | 277 | 1 | |
66 | NGC 7679 | Sy2 | 23 28 46.6613717400 | +03 30 41.013578196 | 13.2 | ~ | 270 | 1 | ||||
67 | NGC 7682 | Sy2 | 23 29 03.9181335984 | +03 31 59.921415444 | 14.3 | ~ | 234 | 0 | ||||
68 | NGC 7743 | Sy2 | 23 44 21.1607807112 | +09 56 02.970989664 | 14.19 | 13.28 | ~ | 313 | 0 |
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