2003A&A...400...95N


Query : 2003A&A...400...95N

2003A&A...400...95N - Astronomy and Astrophysics, volume 400, 95-118 (2003/3-2)

R-band imaging of the host galaxies of RGB BL Lacertae objects.

NILSSON K., PURSIMO T., HEIDT J., TAKALO L.O., SILLANPAEAE A. and BRINKMANN W.

Abstract (from CDS):

We present optical R-band images of 100 BL Lacertae objects in the ROSAT-Green Bank (RGB) sample obtained at the Nordic Optical Telescope (NOT). For 62 objects we could not find any previously published images in the literature, of these 35 are new BL Lacs discovered during the RGB BL Lac survey. We were able to resolve the host galaxy in 62% of the objects. We analyze the host galaxies using a two-dimensional fitting procedure and tabulate the best-fit core magnitude and host galaxy parameters (magnitude, effective radius, ellipticity, position angle and shape parameter β) for each object. With two exceptions, all objects are better fit by a model representing an elliptical galaxy (β=0.25) than by a disk galaxy model (β=1.0). In the two exceptions the disk host fit is only marginally better than the elliptical host fit, however, and we do not find a single clear example of a disk-dominated host galaxy. The host galaxies have an average brightness MR=-23.9±0.8 and average effective radius reff=13.2±0.8kpc. Their bulk properties are indistinguishable from normal elliptical and radio galaxies. The median β is 0.18, well below the value 0.25 that is normally used to describe ellipticals. However, the difference may be caused by a selection effect due to the dependence of β on host galaxy luminosity.

Abstract Copyright:

Journal keyword(s): BL Lacertae objects: general - galaxies: nuclei - galaxies: structure

CDS comments: 1H 1011+496 = H 1011+496 in Simbad. EXO 1149.9+2455 is a misprint for EXO 1146.9+2455.

Simbad objects: 104

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Number of rows : 104
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 2FGL J0007.8+4713 BLL 00 07 59.9717337384 +47 12 07.770189406   18.3   18.2   ~ 49 1
2 QSO B0033+595 BLL 00 35 52.554 +59 50 04.19     19.5 17.2   ~ 144 2
3 5C 3.76 BLL 00 40 13.800 +40 50 04.73     19.30 19.9   ~ 62 1
4 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11440 1
5 87GB 010628.1+175958 BLL 01 09 08.1771566618 +18 16 07.502131836     16.6 16.3   ~ 57 1
6 LEDA 3087886 BLL 01 10 04.8110083223 +41 49 50.718670534     17.60 14   ~ 32 1
7 QSO B0109+224 BLL 01 12 05.8246825085 +22 44 38.786096536   16.00 15.66 15.47   ~ 310 2
8 2MASS J01154616+2519534 BLL 01 15 46.1420976395 +25 19 53.348116622 18.08 17.88 18.52     ~ 57 1
9 4FGL J0123.1+3421 BLL 01 23 08.6 +34 20 48     15.2 16.8   ~ 100 1
10 87GB 013336.4+385101 BLL 01 36 32.5981369228 +39 05 59.196637223     15.80 15.5   ~ 107 1
11 2MASX J01523964+0147167 BLL 01 52 39.6108342199 +01 47 17.385034188     15.12 11.8   ~ 117 1
12 8C 0149+710 BLL 01 53 25.8509964 +71 15 06.463311     15.50     ~ 74 1
13 87GB 015946.3+083510 BLL 02 02 26.4228638294 +08 49 13.686241440     19.00 19   ~ 37 1
14 ICRF J021417.9+514451 BLL 02 14 17.9344275 +51 44 51.947352     16.50 16.5   ~ 90 1
15 2FGL J0227.3+0203 BLL 02 27 16.5922372093 +02 02 00.006942396     18.80 18.9   ~ 43 0
16 [VV2006] J025038.0+171208 BLL 02 50 37.9600779957 +17 12 08.873608899   17.7 17.50     ~ 52 1
17 2MASX J03140275+2444334 SyG 03 14 02.7338557182 +24 44 32.799150247     18.3     ~ 25 0
18 4FGL J0316.2+0905 BLL 03 16 12.7 +09 04 43     18.2 17.2   ~ 53 1
19 NAME 3HSP J032160.0+233611 BLL 03 21 59.9706079813 +23 36 11.210049228     16.80 16.4   ~ 53 1
20 QSO B0323+022 BLL 03 26 13.9474696478 +02 25 14.675022985   17.05 16.55 15.3   ~ 228 1
21 QSO B0414+009 BLL 04 16 52.4945787354 +01 05 23.896410061   16.86 16.38 16   ~ 254 0
22 QSO B0422+004 BLL 04 24 46.8423020674 +00 36 06.327828096 16.15 15.94 16.98     ~ 335 1
23 2FGL J0505.4+0419 BLL 05 05 34.7705065552 +04 15 54.574479647 18.07 17.80 17.56 16.8   ~ 62 1
24 QSO B0647+250 BLL 06 50 46.4902391458 +25 02 59.623980609 16.17 15.97 15.79 16.3   ~ 126 2
25 7C 065109.30+425147.00 BLL 06 54 43.5257637658 +42 47 58.737662093     17.00 14.9   ~ 42 1
26 4C 42.22 BLL 06 56 10.66212 +42 37 02.7510   15.0 16.90 11.1   ~ 63 1
27 6C 070609+591309 BLL 07 10 30.0681446132 +59 08 20.369016804   17.38 16.52 15.1   ~ 193 2
28 QSO B0754+10 BLL 07 57 06.64294682 +09 56 34.8523471   15.43 15.00 15.99   ~ 413 1
29 4FGL J0806.5+5930 BLL 08 06 25.9487620558 +59 31 06.913467135   17.16 16.72 15.7   ~ 44 1
30 [VV2006] J081421.2+294020 BLL 08 14 21.2666551692 +29 40 20.970648836   19.17 18.82     ~ 33 0
31 QSO B0829+047 BLL 08 31 48.8771360822 +04 29 39.086736269   17.10 16.4 14.55   ~ 433 2
32 7C 085056.29+441846.00 BLL 08 54 09.8886040636 +44 08 30.282460698   17.40 17.14 17   ~ 47 1
33 QSO J0854+2006 BLL 08 54 48.8749311881 +20 06 30.642936668   15.91 15.43 15.56   ~ 2105 1
34 Ton 397 BLL 09 15 52.4018373869 +29 33 24.041406916   16.79 16.39 16.085   ~ 201 1
35 6C 091313+525115 BLL 09 16 51.9356042953 +52 38 28.342414318   19.02 18.10 15   ~ 53 1
36 7C 092302.70+745857.00 BLL 09 28 02.9237427115 +74 47 19.289554370   19.8 19.74 19.2   ~ 49 1
37 6C 092554+502611 BLL 09 29 15.4400532384 +50 13 35.987058917   17.18 16.80 15.94   ~ 123 2
38 7C 0927+3516 BLL 09 30 55.2790949 +35 03 37.608196   20.98 20.35 18.40   ~ 65 1
39 87GB 094842.5+655154 BLL 09 52 32.1923670662 +65 38 01.225262615     18.00 18   ~ 19 1
40 4C 22.25 Sy2 10 00 21.8027253239 +22 33 18.642206446   18.30 18 17   ~ 79 2
41 6C 100945+424532 BLL 10 12 44.3055113187 +42 29 57.098312206   19.01 18.43     ~ 71 1
42 6C 101157+494057 BLL 10 15 04.1393763275 +49 26 00.708524180   16.56 16.15 14.58   ~ 322 2
43 87GB 103431.3+572750 BLL 10 37 44.3078863654 +57 11 55.629763116   17.05 16.54 16.7   ~ 99 1
44 2E 1050.7+4946 ClG 10 53 44.1 +49 29 56           ~ 57 1
45 7C 105047.29+494553.00 BLL 10 53 44.1260802583 +49 29 56.000502267   18.70 17.76 13.8   ~ 110 2
46 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2467 1
47 6C 113337+702604 BLL 11 36 26.4084430 +70 09 27.307497   15.16 14.49 10.51   ~ 335 1
48 2MASX J11363009+6737042 BLL 11 36 30.0875034764 +67 37 04.351529867   18.19 17.45 15.3   ~ 118 1
49 2E 2539 BLL 11 49 30.3541836634 +24 39 26.956046831   18.86 18.35 18.1   ~ 41 0
50 8C 1148+592 BLL 11 51 24.6602970912 +58 59 17.564898795   16.53 16.09 16.3   ~ 70 1
51 Ton 605 HB* 12 16 53.6747853642 +30 04 08.693588731   16.110 15.98     B 221 0
52 6C 121520+302351 BLL 12 17 52.0819140772 +30 07 00.636792927   16.07 15.62 13.47   ~ 423 1
53 7C 1219+2830 BLL 12 21 31.6902446544 +28 13 58.500383827   16.81 16.11 14.24   ~ 801 1
54 ICRF J123014.0+251807 BLL 12 30 14.0890365128 +25 18 07.136757021   15.6 14.5 14.78   ~ 125 1
55 LB 2449 BLL 12 48 18.7850212579 +58 20 28.716290009   16.10 15.78 15.19   ~ 158 1
56 7C 1308+3236 BLL 13 10 28.66387 +32 20 43.7831   15.61 15.24 17.91   ~ 775 1
57 ACO 1774 ClG 13 40 54.0 +39 58 28           ~ 39 0
58 7C 1338+4015 BLL 13 41 05.1074299555 +39 59 45.420101099   18.93 18.24 14.9   ~ 68 2
59 2MASS J14153679+4830303 BLL 14 15 36.8002318014 +48 30 30.452846136   19.40 18.97 17.1   ~ 48 1
60 6C 141804+543700 BLL 14 19 46.5976435439 +54 23 14.787308481   16.17 15.65 14.16   ~ 555 1
61 2MASX J14273023+5409238 BLL 14 27 30.2793877290 +54 09 23.718609049     17.40     ~ 35 1
62 QSO B1426+428 BLL 14 28 32.6090831425 +42 40 21.050020627   16.95 16.45 14.4   ~ 470 2
63 PG 1437+398 BLL 14 39 17.4789667617 +39 32 42.807373390   17.36 17.10 16.5   ~ 92 0
64 QSO B1440+122 BLL 14 42 48.276582 +12 00 40.37487   18.34 17.63 15.2   ~ 147 3
65 2FGL J1448.0+3608 BLL 14 48 00.5823413344 +36 08 31.164405052   17.31 16.88 16.2   ~ 66 0
66 ATO J223.6130+51.4093 BLL 14 54 27.1247388685 +51 24 33.730655278   18.76 18.35     ~ 73 1
67 4FGL J1516.8+2918 BLL 15 16 41.5924816516 +29 18 09.188824006     18.20 14.6   ~ 42 1
68 QSO B1517+656 BLL 15 17 47.5884450040 +65 25 23.284362137     15.9 16.7   ~ 106 1
69 2MASX J15320226+3016290 BLL 15 32 02.2319781435 +30 16 28.861792513     15.60     ~ 65 1
70 4FGL J1533.2+3416 BLL 15 33 24.2704904616 +34 16 40.307634201   18.59 18.31 18.1   ~ 45 1
71 2MASX J15344723+3715546 BLL 15 34 47.2080100645 +37 15 54.617115457   18.26 17.57     ~ 66 1
72 4C 14.60 BLL 15 40 49.49151734 +14 47 45.8848470   17.72 17.30 17.240   ~ 390 1
73 QSO B1552+20 BLL 15 54 24.1302300084 +20 11 25.402710408     17.70     ~ 94 0
74 4FGL J1602.2+3051 BLL 16 02 18.0693073904 +30 51 09.543451066   18.56 18.10     ~ 33 1
75 2XMMi J162625.8+351341 BLL 16 26 25.8600142908 +35 13 41.459561563   19.05 18.54 18.1   ~ 45 1
76 6C 164251+455211 BLL 16 44 19.9739010371 +45 46 44.384726731   19.44 18.50 15.2   ~ 48 1
77 4FGL J1652.7+4024 BLL 16 52 49.9254441116 +40 23 10.097245892   18.98 18.50 17.6   ~ 28 0
78 4C 39.49 BLL 16 53 52.21668494 +39 45 36.6089458 14.09 14.15 13.29 8.26   ~ 1985 2
79 87GB 170529.3+714250 BLL 17 04 46.9773404171 +71 38 17.608976827   18.93 18.26 17.5   ~ 33 1
80 QSO B1717+178 BLL 17 19 13.0484094263 +17 45 06.437888139   20.10 19.1 17.28   ~ 199 1
81 6C 172704+501607 BLL 17 28 18.6239898055 +50 13 10.472390025   16.55 15.97 12.95   ~ 339 1
82 2MASX J17423197+5945065 BLL 17 42 32.0005041783 +59 45 06.732843996   17.74 17.14 16.7   ~ 68 1
83 QSO B1741+196 BLL 17 43 57.8326894 +19 35 09.019447     16.80 12.7   ~ 139 1
84 2MASX J17453776+3951309 BLL 17 45 37.7542717866 +39 51 30.933910274     18.30 15.9   ~ 45 1
85 7C 1749+7006 BLL 17 48 32.8399653579 +70 05 50.768853537   17.46 17.01 15.48   ~ 396 1
86 ICRF J174900.3+432151 BLL 17 49 00.3603781 +43 21 51.287483     18.21 19.84   ~ 81 1
87 2MASX J17500503+4700431 BLL 17 50 05.0087043256 +47 00 43.669526734     19.00     ~ 23 1
88 2FGL J1756.5+5523 BLL 17 56 15.8816798069 +55 22 18.087551655   17.23 16.87 18   ~ 57 1
89 3C 371 BLL 18 06 50.6803567107 +69 49 28.108152993   14.77 14.22 11.39   ~ 812 2
90 87GB 180639.0+464836 BLL 18 08 01.1963008999 +46 49 40.977729196     18.40 18.3   ~ 20 1
91 7C 181023.80+441539.00 BLL 18 11 53.405 +44 16 28.75     18.90 20.1   ~ 18 1
92 7C 181142.79+314318.00 BLL 18 13 35.2028793055 +31 44 17.620197311     17.4 15.2   ~ 85 1
93 4C 56.27 BLL 18 24 07.06837771 +56 51 01.4908371   18.9 18.4 16.48   ~ 451 1
94 87GB 182824.2+540142 BLL 18 29 24.2818281055 +54 02 59.733031557     17.60 17.2   ~ 53 1
95 2MASS J18384916+4802342 BLL 18 38 49.1551023201 +48 02 34.271793300     17.60 16.2   ~ 68 0
96 2MASS J18412024+5906081 BLL 18 41 20.3043224493 +59 06 08.232944369     19.70 18.6   ~ 26 0
97 4FGL J1848.9+4247 BLL 18 48 47.1239603879 +42 45 39.345220193     18.90 17.8   ~ 31 1
98 QSO B2037+521 BLL 20 39 23.536 +52 19 50.12     19.0 16.2   ~ 58 1
99 QSO B2143+07 BLL 21 45 52.2998794053 +07 19 27.214695171     18.04 16   ~ 101 1
100 NAME BL Lac BLL 22 02 43.2913773726 +42 16 39.978417860   15.66 14.72     ~ 2073 1
101 87GB 224130.7+200514 BLL 22 43 54.7434952027 +20 21 03.773522952     16.00 16.1   ~ 80 0
102 2MASX J22500577+3824371 BLL 22 50 05.7480525271 +38 24 37.195160708     16.00 14.8   ~ 105 1
103 4FGL J2319.7+1609 BLL 23 19 43.4349368739 +16 11 50.168927169     18.00 17.3   ~ 23 0
104 2MASS J23224401+3436139 BLL 23 22 44.0146253282 +34 36 13.873359842     15.88 13.2   ~ 63 1

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2021.09.19-07:19:49

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