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Query : 2001MNRAS.327..673V |
2001MNRAS.327..673V - Mon. Not. R. Astron. Soc., 327, 673-688 (2001/October-3)
A complete sample of Seyfert galaxies selected at 0.25 keV.
VAUGHAN S., EDELSON R., WARWICK R.S., MALKAN M.A. and GOAD M.R.
Abstract (from CDS):
The correlation studies were also used to isolate a number of Seyfert galaxies with apparently `anomalous' properties. Of particular interest are the six objects with relatively weak permitted line emission (Hβ and Feii) and weak optical continua. Such objects are rare in most surveys, but two of these (IC 3599 and NGC 5905) are known to be transient active galactic nuclei in which the X-ray flux has faded by factors ∼100. If the other four objects also turn out to be transient, this would demonstrate that 0.25keV surveys provide an efficient way of finding an interesting class of object.
Finally, the luminosity function of the 0.25keV-selected Seyfert galaxies was determined and broken down into subsamples to investigate the relative space densities of Seyferts when separated on the basis of either X-ray slope or Hβ linewidth.
Abstract Copyright: The Royal Astronomical Society
Journal keyword(s): astronomical data bases: miscellaneous - surveys - galaxies: active - galaxies: Seyfert - X-rays: galaxies
CDS comments: Table A1: RX J1341+39 = 1RXS J134104.8+395942, ACO 2129 misprint for ACO 2199.
Simbad objects: 111
Number of rows : 111 |
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 | * 10 UMa | SB* | 09 00 38.38067 | +41 46 58.6051 | 4.440 | 4.390 | 3.960 | 3.57 | 3.35 | F3V+G5V | 347 | 0 |
2 | LEDA 26550 | Sy1 | 09 22 47.0337452784 | +51 20 37.977167616 | 17.89 | 17.56 | ~ | 84 | 0 | |||
3 | Mrk 110 | Sy1 | 09 25 12.8479065576 | +52 17 10.386311208 | 16.82 | 16.41 | ~ | 605 | 0 | |||
4 | US 656 | Sy1 | 09 30 17.7168241704 | +47 07 21.021783960 | 17.82 | 17.52 | ~ | 39 | 0 | |||
5 | QSO B0927+500 | BLL | 09 30 37.5737660328 | +49 50 25.549611036 | 18.81 | 18.25 | 17.3 | ~ | 118 | 1 | ||
6 | PG 0953+414 | Sy1 | 09 56 52.3931554992 | +41 15 22.211247636 | 14.710 | 15.611 | 15.546 | 15.294 | 14.720 | ~ | 453 | 0 |
7 | HD 85945 | PM* | 09 57 13.6116423888 | +57 25 05.538101952 | 6.854 | 5.959 | G6III:Fe-0.5 | 47 | 0 | |||
8 | G 196-3 | PM* | 10 04 21.4627410744 | +50 23 13.386435576 | 11.323 | M3.0V | 80 | 0 | ||||
9 | 2MASS J10054187+4332404 | Sy1 | 10 05 41.8619625936 | +43 32 40.448664672 | 17.09 | 16.89 | ~ | 83 | 0 | |||
10 | 2MASS J10081139+4705216 | BLL | 10 08 11.4282574752 | +47 05 21.453100692 | 20.22 | 19.40 | 18 | ~ | 35 | 0 | ||
11 | 2MASSI J1008315+462953 | Sy1 | 10 08 31.5220124088 | +46 29 53.224593144 | 19.76 | 19.40 | ~ | 24 | 0 | |||
12 | 6C 100945+424532 | BLL | 10 12 44.3054821248 | +42 29 57.094313532 | 19.01 | 18.43 | ~ | 87 | 1 | |||
13 | Ton 1187 | Sy1 | 10 13 03.1814662440 | +35 51 23.742391536 | 15.60 | 15.42 | ~ | 90 | 0 | |||
14 | 6C 101157+494057 | BLL | 10 15 04.1396533776 | +49 26 00.706055496 | 16.56 | 16.15 | 14.58 | ~ | 370 | 3 | ||
15 | 2MASS J10161679+4108126 | BLL | 10 16 16.8174659184 | +41 08 12.561968004 | 18.7 | 17.30 | ~ | 21 | 0 | |||
16 | LEDA 2111896 | Sy1 | 10 19 00.4582268064 | +37 52 40.546554852 | 18.84 | 18.31 | ~ | 26 | 0 | |||
17 | Mrk 141 | Sy1 | 10 19 12.5653238136 | +63 58 02.626090176 | 16.32 | 16.00 | ~ | 154 | 0 | |||
18 | Mrk 142 | Sy1 | 10 25 31.2786898344 | +51 40 34.867889004 | 16.33 | 16.12 | ~ | 291 | 0 | |||
19 | LEDA 3095949 | Sy1 | 10 26 52.9667422968 | +55 09 09.049868856 | 18.30 | 17.98 | ~ | 16 | 0 | |||
20 | QSO B1028+511 | BLL | 10 31 18.5251007784 | +50 53 35.817278064 | 17.25 | 16.98 | 16.3 | ~ | 194 | 1 | ||
21 | SBSS 1029+537 | WD* | 10 32 09.9865348944 | +53 29 35.373072660 | 14.095 | 14.453 | 14.831 | DA1.1 | 86 | 0 | ||
22 | Z 212-25 | Sy1 | 10 34 38.5982990352 | +39 38 28.187042604 | 17.37 | 16.90 | ~ | 365 | 1 | |||
23 | SBSS 1040+493 | WD* | 10 43 11.4236321376 | +49 02 23.528957028 | DA1.0 | 52 | 0 | |||||
24 | 2MASS J10461372+5255544 | Sy1 | 10 46 13.7291828880 | +52 55 54.273299124 | 17.84 | 17.64 | ~ | 52 | 0 | |||
25 | V* FH UMa | CV* | 10 47 09.88 | +63 35 13.6 | 19.4 | ~ | 25 | 0 | ||||
26 | SBSG 1047+557 | Sy1 | 10 50 55.1418332400 | +55 27 23.303457180 | 17.41 | 17.23 | ~ | 47 | 0 | |||
27 | V* EK UMa | CV* | 10 51 35.1578195280 | +54 04 36.112715220 | 18 | ~ | 85 | 0 | ||||
28 | ATO J163.6862+48.5275 | Sy1 | 10 54 44.7009629664 | +48 31 39.082441368 | 16.43 | 16.17 | ~ | 37 | 0 | |||
29 | V* DM UMa | RS* | 10 55 43.5438405648 | +60 28 09.721480656 | 10.31 | 9.29 | K0III-IV | 165 | 0 | |||
30 | LEDA 2815939 | Sy1 | 10 58 30.1305022728 | +60 16 00.438980232 | 16.80 | 16.66 | ~ | 54 | 0 | |||
31 | ICRF J105837.7+562811 | Sy1 | 10 58 37.7276569824 | +56 28 11.207405028 | 16.80 | 16.31 | 14.58 | ~ | 210 | 2 | ||
32 | LB 1919 | WD* | 10 59 16.4293648440 | +51 24 43.125083064 | 15.5 | 16.8 | DA.7 | 56 | 0 | |||
33 | 4FGL J1100.3+4020 | BLL | 11 00 21.0622217352 | +40 19 28.049163780 | 17.67 | 17.27 | 17.8 | ~ | 64 | 0 | ||
34 | V* GZ Leo | RS* | 11 02 02.2678369872 | +22 35 45.488085612 | 9.82 | 8.880 | 7.910 | K0Ve+K0Ve | 48 | 0 | ||
35 | V* AN UMa | CV* | 11 04 25.6556168328 | +45 03 13.940184528 | 14.90 | ~ | 255 | 0 | ||||
36 | Mrk 421 | BLL | 11 04 27.3140835504 | +38 12 31.798495872 | 13.50 | 12.90 | 8.31 | ~ | 2681 | 1 | ||
37 | 87GB 110510.0+151723 | BLL | 11 07 48.0634235400 | +15 02 10.558629456 | 18.3 | 18.20 | 17.8 | ~ | 65 | 0 | ||
38 | Ton 61 | WD* | 11 12 38.9116213800 | +24 09 01.205285076 | 15.50 | 15.79 | 16.01 | DA1.3 | 46 | 0 | ||
39 | 87GB 111429.0+203022 | BLL | 11 17 06.2512673640 | +20 14 07.380923028 | 15.20 | ~ | 139 | 1 | ||||
40 | 2MASS J11171007+6522073 | Sy1 | 11 17 10.0677331056 | +65 22 07.230282924 | 16.8 | 16.4 | ~ | 26 | 0 | |||
41 | Ton 1388 | Sy1 | 11 19 08.6786220240 | +21 19 17.987085948 | 14.91 | 14.80 | ~ | 467 | 0 | |||
42 | LEDA 139586 | Sy1 | 11 31 04.7642631360 | +68 51 52.996272264 | 16.17 | 15.27 | ~ | 35 | 0 | |||
43 | 6C 113337+702604 | BLL | 11 36 26.4090783600 | +70 09 27.309071232 | 15.16 | 14.49 | 10.51 | ~ | 368 | 1 | ||
44 | LEDA 2703015 | BLL | 11 36 30.0868711488 | +67 37 04.345988232 | 18.19 | 17.45 | 15.3 | ~ | 144 | 1 | ||
45 | LEDA 36083 | Sy1 | 11 38 49.6022320320 | +57 42 43.527436452 | 18.07 | 17.75 | ~ | 41 | 0 | |||
46 | NGC 4051 | Sy1 | 12 03 09.6101337312 | +44 31 52.682601288 | 11.08 | 12.92 | 9.94 | ~ | 2167 | 1 | ||
47 | LEDA 3096099 | Sy1 | 12 09 45.2139629160 | +32 17 01.101574284 | 17.80 | 17.58 | ~ | 50 | 0 | |||
48 | 2MASX J12262423+3244297 | Sy1 | 12 26 24.2233950816 | +32 44 29.836372668 | 18.17 | 17.87 | ~ | 33 | 0 | |||
49 | 2MASSI J1232200+495721 | Sy1 | 12 32 20.1171538776 | +49 57 21.778344180 | 17.99 | 17.73 | ~ | 45 | 0 | |||
50 | Ton 83 | Sy1 | 12 33 41.6790018768 | +31 01 02.748207972 | 17.40 | 17.14 | ~ | 46 | 0 | |||
51 | PG 1234+482 | WD* | 12 36 45.1436139768 | +47 55 22.218366900 | 14.38 | DA.9 | 93 | 2 | ||||
52 | MCG+08-23-067 | Sy1 | 12 36 51.1771780656 | +45 39 04.167368784 | 17.64 | 17.16 | ~ | 82 | 0 | |||
53 | IC 3599 | Sy1 | 12 37 41.1939398400 | +26 42 27.484266888 | 15.7 | 16.5 | ~ | 179 | 0 | |||
54 | LEDA 42648 | Sy1 | 12 42 10.6050409800 | +33 17 02.662913436 | 16.45 | 15.65 | ~ | 116 | 0 | |||
55 | Ton 116 | BLL | 12 43 12.7362011736 | +36 27 43.997592204 | 17.41 | 17.11 | 16.4 | ~ | 103 | 1 | ||
56 | 2E 2850 | Sy1 | 12 44 41.4175448976 | +58 56 26.730487716 | 18.68 | 18.38 | ~ | 31 | 0 | |||
57 | LB 2449 | BLL | 12 48 18.7847605224 | +58 20 28.717260720 | 16.10 | 15.78 | 15.19 | ~ | 190 | 1 | ||
58 | * 31 Com | Ro* | 12 51 41.9201696640 | +27 32 26.565016812 | 5.81 | 5.61 | 4.94 | 4.39 | 4.04 | G0IIIp | 432 | 1 |
59 | QSO B1255+244 | BLL | 12 57 31.9330943592 | +24 12 40.164677136 | 15.4 | 15.7 | ~ | 86 | 0 | |||
60 | BD+36 2322B | PM* | 12 57 39.3125173002 | +35 13 19.148808620 | 14.80 | 13.16 | 12.939 | M4.5Ve | 97 | 1 | ||
61 | BD+36 2322 | BY* | 12 57 40.2569835641 | +35 13 29.629213095 | 12.02 | 10.52 | 10.137 | M0V+M4/5V | 230 | 1 | ||
62 | 2MASX J12585149+2355268 | Sy1 | 12 58 51.4552856592 | +23 55 26.666449356 | 17 | ~ | 15 | 0 | ||||
63 | ACO 1656 | ClG | 12 59 44.40 | +27 54 44.9 | ~ | 4809 | 2 | |||||
64 | 2WHSP J130255.1+505617 | BLL | 13 02 55.3449487680 | +50 56 18.276920808 | 20.05 | 19.65 | 20.6 | ~ | 22 | 0 | ||
65 | V* RS CVn | RS* | 13 10 36.9077924448 | +35 56 05.584994412 | 8.57 | 8.51 | 7.93 | 7.7 | F6IV+G8IV | 725 | 0 | |
66 | 2MASX J13125962+2628238 | Sy1 | 13 12 59.6000914608 | +26 28 24.015928260 | 17.72 | 17.33 | ~ | 31 | 0 | |||
67 | Ton 1571 | Sy1 | 13 14 22.6994312544 | +34 29 38.491405224 | 16.93 | 16.74 | ~ | 30 | 0 | |||
68 | HZ 43A | WD* | 13 16 21.8532409720 | +29 05 55.411186877 | 12.52 | 12.66 | DAwk | 467 | 0 | |||
69 | LEDA 3096247 | Sy1 | 13 19 57.0706040640 | +52 35 33.711803016 | 18.40 | 17.94 | ~ | 34 | 0 | |||
70 | V* BM CVn | RS* | 13 21 32.2615350168 | +38 52 49.518935904 | 8.56 | 7.36 | K2III | 83 | 0 | |||
71 | 2MASS J13282041+2409273 | Sy1 | 13 28 20.4054564576 | +24 09 27.401851656 | 18.03 | 17.80 | ~ | 29 | 0 | |||
72 | V* DG CVn | Er* | 13 31 46.6246175093 | +29 16 36.681048898 | 12.90 | 12.02 | 10.77 | 9.15 | M4Ve | 116 | 0 | |
73 | BD+23 2581 | ** | 13 32 41.6858519142 | +22 30 06.809284189 | 10.65 | 9.622 | 9.0 | 8.381 | KV:e | 35 | 0 | |
74 | V* BH CVn | RS* | 13 34 47.8087660104 | +37 10 56.691826860 | 5.43 | 5.38 | 4.98 | 4.57 | 4.27 | A6m | 334 | 0 |
75 | IRAS 13349+2438 | Sy1 | 13 37 18.7199358192 | +24 23 03.319883484 | 15.0 | ~ | 392 | 0 | ||||
76 | LEDA 2167351 | Sy1 | 13 39 28.4976766320 | +40 32 29.898614112 | 19.09 | 18.63 | ~ | 21 | 0 | |||
77 | 7C 1338+4015 | BLL | 13 41 05.1067840920 | +39 59 45.418368768 | 18.93 | 18.24 | 14.9 | ~ | 81 | 2 | ||
78 | RX J1342.1+2822 | CV* | 13 42 09.75 | +28 22 47.5 | Ss | 38 | 1 | |||||
79 | LEDA 3096287 | Sy1 | 13 42 31.2262148568 | +38 29 03.322114584 | 17.67 | 17.42 | ~ | 41 | 0 | |||
80 | Ton 730 | Sy1 | 13 43 56.7435190440 | +25 38 47.638868604 | 16.48 | 16.6 | ~ | 123 | 0 | |||
81 | ACO 1795 | ClG | 13 48 50.48 | +26 35 07.4 | ~ | 1268 | 0 | |||||
82 | Mrk 663 | Sy2 | 13 54 19.9572652128 | +32 55 47.717779404 | 14.8 | 12.78 | ~ | 61 | 0 | |||
83 | LEDA 2816068 | Sy1 | 13 55 16.5544257624 | +56 12 44.628164604 | 17.38 | 17.09 | ~ | 77 | 0 | |||
84 | Ton 182 | Sy1 | 14 05 16.2178674936 | +25 55 34.117540788 | 15.42 | 15.34 | ~ | 254 | 0 | |||
85 | V* CZ CVn | SB* | 14 06 26.1538195536 | +30 50 47.322949236 | 8.64 | 7.62 | K0 | 48 | 0 | |||
86 | LEDA 51016 | Sy1 | 14 17 00.8224797456 | +44 56 06.336360024 | 16.93 | 16.63 | ~ | 259 | 0 | |||
87 | 2MASS J14202436+5334117 | BLL | 14 20 24.3988020192 | +53 34 11.158101156 | 20.49 | 20.03 | ~ | 36 | 0 | |||
88 | QSO B1422+580 | BLL | 14 22 38.8822521768 | +58 01 55.514940024 | 18.49 | 18.15 | 17.7 | ~ | 83 | 0 | ||
89 | * tet Boo | PM* | 14 25 11.7969501601 | +51 51 02.677224089 | 4.57 | 4.56 | 4.05 | 3.64 | 3.39 | F7V | 372 | 0 |
90 | ACO 1914 | ClG | 14 26 03.32 | +37 49 58.7 | ~ | 314 | 0 | |||||
91 | LEDA 3096357 | Sy1 | 14 26 30.6751227288 | +39 03 43.351055820 | 17.22 | 16.83 | ~ | 21 | 0 | |||
92 | QSO B1426+428 | BLL | 14 28 32.6090008440 | +42 40 21.048123396 | 16.95 | 16.45 | 14.4 | ~ | 519 | 2 | ||
93 | Mrk 684 | Sy1 | 14 31 04.7823008520 | +28 17 14.127735336 | 15.36 | 14.68 | ~ | 107 | 0 | |||
94 | PG 1437+398 | BLL | 14 39 17.4789214824 | +39 32 42.807064020 | 17.36 | 17.10 | 16.5 | ~ | 117 | 1 | ||
95 | Mrk 478 | Sy1 | 14 42 07.4714418744 | +35 26 22.938625500 | 14.91 | 14.58 | ~ | 534 | 0 | |||
96 | 2MASS J14464593+4035057 | Sy1 | 14 46 45.9392259288 | +40 35 05.797233636 | 16.28 | 16.11 | ~ | 294 | 0 | |||
97 | 2FGL J1448.0+3608 | BLL | 14 48 00.5826450192 | +36 08 31.165443852 | 17.31 | 16.88 | 16.2 | ~ | 81 | 0 | ||
98 | 2MASS J14482510+3559467 | Sy1 | 14 48 25.0956799440 | +35 59 46.703423580 | 17.31 | 17.05 | ~ | 50 | 0 | |||
99 | NGC 5905 | H2G | 15 15 23.3280793632 | +55 31 01.926808032 | 13.6 | ~ | 273 | 1 | ||||
100 | LEDA 2531253 | Sy1 | 15 29 07.4560860072 | +56 16 06.729661596 | 16.90 | 16.74 | ~ | 44 | 0 | |||
101 | QSO B1533+535 | BLL | 15 35 00.7962236712 | +53 20 37.302992988 | 19.18 | 18.75 | 18.8 | ~ | 69 | 0 | ||
102 | SDSS J160519.04+542059.9 | BLL | 16 05 19.0570123248 | +54 20 59.952793272 | 19.39 | 19.80 | 19.08 | 18.9 | ~ | 45 | 0 | |
103 | MCG+06-36-003 | Sy1 | 16 13 01.6262927472 | +37 17 14.989716384 | 16.77 | 16.51 | ~ | 44 | 0 | |||
104 | HD 146696 | SB* | 16 15 42.5890718352 | +44 33 08.999137692 | 9.47 | 8.84 | G0 | 21 | 0 | |||
105 | 2MASX J16180940+3619580 | Sy1 | 16 18 09.3737457456 | +36 19 57.871902108 | 17.63 | 17.09 | ~ | 42 | 0 | |||
106 | 2MASX J16195129+4058472 | Sy1 | 16 19 51.3112866864 | +40 58 47.331025212 | 17.81 | 17.34 | ~ | 64 | 0 | |||
107 | HD 147365 | PM* | 16 19 55.1422052928 | +39 42 30.900428748 | 5.860 | 5.880 | 5.480 | F4V | 91 | 0 | ||
108 | ACO 2199 | ClG | 16 28 43.31 | +39 34 07.6 | ~ | 1172 | 1 | |||||
109 | 2MASS J16290130+4007599 | Sy1 | 16 29 01.3106358000 | +40 07 59.905936776 | 18.23 | 18.00 | 17.2 | ~ | 108 | 0 | ||
110 | 2MASS J16312462+4217024 | BLL | 16 31 24.7071049968 | +42 17 02.366014416 | 19.82 | 19.29 | 18.4 | ~ | 29 | 0 | ||
111 | LEDA 2150725 | Sy1 | 16 46 26.0943807984 | +39 29 32.155764360 | 17.84 | 17.60 | ~ | 33 | 0 |
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