2004A&A...421..529A


Query : 2004A&A...421..529A

2004A&A...421..529A - Astronomy and Astrophysics, volume 421, 529-537 (2004/7-2)

Observations of 54 Active Galactic Nuclei with the HEGRA system of Cherenkov telescopes.

AHARONIAN F., AKHPERJANIAN A., BEILICKE M., BERNLOEHR K., BOERST H.-G., BOJAHR H., BOLZ O., COARASA T., CONTRERAS J.L., CORTINA J., DENNINGHOFF S., FONSECA V., GIRMA M., GOETTING N., HEINZELMANN G., HERMANN G., HEUSLER A., HOFMANN W., HORNS D., JUNG I., KANKANYAN R., KESTEL M., KONOPELKO A., KORNMEYER H., KRANICH D., LAMPEITL H., LOPEZ M., LORENZ E., LUCARELLI F., MANG O., MAZIN D., MEYER H., MIRZOYAN R., MORALEJO A., ONA-WILHELMI E., PANTER M., PLYASHESHNIKOV A., PUEHLHOFER G., DE LOS REYES R., RHODE W., RIPKEN J., ROWELL G., SAHAKIAN V., SAMORSKI M., SCHILLING M., SIEMS M., SOBZYNSKA D., STAMM W., TLUCZYKONT M., VITALE V., VOELK H.J., WIEDNER C.A. and WITTEK W.

Abstract (from CDS):

A sample of 54 selected Active Galactic Nuclei (AGN) has been observed with the HEGRA stereoscopic system of Cherenkov Telescopes between 1996 and 2002 in the TeV energy regime. The observations were motivated by the positive results obtained for Mkn 421 and Mkn 501. The distances of the selected objects vary over a large range of redshifts between z=0.004 and z=0.7. Among the observed AGN are the now-established TeV-emitting BL Lac type objects H 1426+428 and 1ES 1959+650. Furthermore the BL Lac object 1ES 2344+514 and the radio galaxy M87 show evidence for a signal on a 4σ level. The observation of 1ES 2344+514 together with the Whipple results firmly establishes this AGN as a TeV source. Several objects (PKS 2155-304, BL Lacertae, 3C 066A) that have been claimed as TeV γ-ray emitters by other groups are included in this data sample but could not be confirmed using data analysed here. The upper limits from several AGN included in this analysis are compared with predictions in the frame-work of SSC models.

Abstract Copyright:

Journal keyword(s): gamma rays: observations - galaxies: active - galaxies: BL Lacertae objects: individual: 1ES 2344+514 - BL Lacertae objects: individual: 1ES 1959+650 - BL Lacertae objects: individual: H1426+428 - galaxies: individual: M87

Simbad objects: 57

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Number of rows : 57
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 NGC 315 LIN 00 57 48.88335 +30 21 08.8122 12.80 12.20 11.16 11.26   ~ 727 2
2 4C 31.04 rG 01 19 35.0033970 +32 10 50.058043   16 14.5     ~ 221 1
3 4FGL J0123.1+3421 BLL 01 23 08.6 +34 20 48     15.2 16.8   ~ 102 1
4 QSO B0145+138 BLL 01 48 29.7009147811 +14 02 17.852183006     17.90 16.7   ~ 45 0
5 4C 35.03 rG 02 09 38.5606892104 +35 47 50.801558780   14.9 13.0     ~ 143 2
6 QSO B0219-1628 QSO 02 22 00.7250329 -16 15 16.547902   15.38 15.00 18.14   ~ 88 1
7 3C 66A BLL 02 22 39.6111630878 +43 02 07.797284539   15.71 15.21 14.5   ~ 818 1
8 QSO B0229+200 BLL 02 32 48.6154943841 +20 17 17.493345304   18.0 18.00     ~ 277 3
9 NGC 1054 GiG 02 42 15.7720527241 +18 13 02.354149030   14.6       ~ 22 0
10 2MASX J03135763+4115241 BLL 03 13 57.6426284775 +41 15 23.966113582   17.3 17.00 10.4   ~ 31 0
11 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3684 3
12 QSO B0317+18 BLL 03 19 51.8081953152 +18 45 34.570122144     18.12     ~ 194 0
13 QSO B0323+022 BLL 03 26 13.9474696478 +02 25 14.675022985   17.05 16.55 15.3   ~ 228 1
14 QSO B0347-121 BLL 03 49 23.1861664460 -11 59 27.368085519   18.74 18.2 17.46   ~ 192 0
15 ICRF J040549.2+380332 SyG 04 05 49.2627587 +38 03 32.234373   18.5 18.5     ~ 131 3
16 QSO B0414+009 BLL 04 16 52.4945787354 +01 05 23.896410061   16.86 16.38 16   ~ 254 0
17 Mrk 1506 Sy1 04 33 11.0958197353 +05 21 15.617543663   15.72 15.05 10.08   ~ 1889 2
18 QSO J0509+0541 BLL 05 09 25.9645434784 +05 41 35.333636817 15.32 14.95 14.78 15.12   ~ 302 2
19 [VV98] J051351.9+015655 QSO 05 13 52.445 +01 57 10.62     16.5     ~ 18 2
20 4C 01.13 Rad 05 14 19.3 +01 51 41           ~ 4 1
21 V* CM Tau Psr 05 34 31.93830 +22 00 52.1758           ~ 4924 1
22 M 1 SNR 05 34 31.94 +22 00 52.2           ~ 5789 4
23 QSO B0647+250 BLL 06 50 46.4902391458 +25 02 59.623980609 16.17 15.97 15.79 16.3   ~ 126 2
24 6C 070609+591309 BLL 07 10 30.0681446132 +59 08 20.369016804   17.38 16.52 15.1   ~ 194 2
25 8C 0716+714 BLL 07 21 53.4484901266 +71 20 36.362058601   15.5 14.17 14.27   ~ 1175 1
26 7C 073311.80+594748.00 Bla 07 37 30.08697865 +59 41 03.1943714   15.5   11.8   ~ 58 1
27 2XMM J080535.0+240951 Sy2 08 05 35.0057673498 +24 09 50.334614040   15.46       ~ 319 1
28 7C 080602.89+522749.00 BLL 08 09 49.1866520010 +52 18 58.249265842   16.11 15.59 14.6   ~ 242 2
29 3C 197.1 BLL 08 21 33.6009413715 +47 02 37.299966417   18.08 17.33     ~ 133 1
30 QSO B0829+047 BLL 08 31 48.8771360822 +04 29 39.086736269   17.10 16.4 14.55   ~ 434 2
31 QSO B0927+500 BLL 09 30 37.5735588922 +49 50 25.548877370   18.81 18.25 17.3   ~ 99 1
32 6C 101157+494057 BLL 10 15 04.1393763275 +49 26 00.708524180   16.56 16.15 14.58   ~ 322 2
33 2MASS J10221261+5124003 BLL 10 22 12.6059883104 +51 24 00.257213534     18.09     ~ 47 0
34 87GB 111429.0+203022 BLL 11 17 06.2518630666 +20 14 07.383643748     15.20     ~ 109 1
35 87GB 111803.1+422817 BLL 11 20 48.0622899025 +42 12 12.469811109   17.55 17.11 16.9   ~ 106 1
36 6C 113337+702604 BLL 11 36 26.4084430 +70 09 27.307497   15.16 14.49 10.51   ~ 335 1
37 NGC 4151 Sy1 12 10 32.5771747733 +39 24 21.057727323   12.18 11.48     ~ 3475 2
38 QSO B1212+078 BLL 12 15 10.9769954937 +07 32 04.674253273     16.0 14.8   ~ 84 1
39 QSO B1218+304 BLL 12 21 21.9427463316 +30 10 37.161573795   16.50 15.85 15.7   ~ 408 1
40 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5467 1
41 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6476 3
42 QSO B1255+244 BLL 12 57 31.9330234281 +24 12 40.168674935     15.4 15.7   ~ 74 0
43 6C 141804+543700 BLL 14 19 46.5976435439 +54 23 14.787308481   16.17 15.65 14.16   ~ 556 1
44 QSO B1426+428 BLL 14 28 32.6090831425 +42 40 21.050020627   16.95 16.45 14.4   ~ 471 2
45 QSO B1440+122 BLL 14 42 48.276582 +12 00 40.37487   18.34 17.63 15.2   ~ 148 3
46 QSO B1722+119 BLL 17 25 04.3408131234 +11 52 15.471369004   16.29 15.77 14.45   ~ 179 1
47 6C 172704+501607 BLL 17 28 18.6239898055 +50 13 10.472390025   16.55 15.97 12.95   ~ 339 1
48 QSO B1741+196 BLL 17 43 57.8326894 +19 35 09.019447     16.80 12.7   ~ 139 1
49 3C 371 BLL 18 06 50.6803567107 +69 49 28.108152993   14.77 14.22 11.39   ~ 812 2
50 NAME Cyg A Sy2 19 59 28.35645829 +40 44 02.0966496   16.22 15.10     ~ 2188 2
51 QSO B1959+650 BLL 19 59 59.8525497024 +65 08 54.651170114     12.8 11.21   ~ 536 2
52 QSO B2155-304 BLL 21 58 52.0651817803 -30 13 32.120657891   13.36 13.09 12.62   ~ 1618 1
53 NAME BL Lac BLL 22 02 43.2913773726 +42 16 39.978417860   15.66 14.72     ~ 2075 1
54 4C 04.77 BLL 22 04 17.6523555 +04 40 02.022667   16.20 15.2 10.2   ~ 185 2
55 QSO B2254+0727 BLL 22 57 17.30312249 +07 43 12.3024770   17.07 16.36     ~ 290 1
56 2E 4725 BLL 23 23 52.0756284137 +42 10 58.552874013     17.00 19.9   ~ 79 0
57 QSO B2344+514 BLL 23 47 04.8376303689 +51 42 17.875387216     15.50 10.7   ~ 407 0

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2021.09.27-06:14:42

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