2012A&A...541A.160G


Query : 2012A&A...541A.160G

2012A&A...541A.160G - Astronomy and Astrophysics, volume 541A, 160-160 (2012/5-1)

Simultaneous Planck, Swift, and Fermi observations of X-ray and γ-ray selected blazars.

GIOMMI P., POLENTA G., LAEHTEENMAEKI A., THOMPSON D.J., CAPALBI M., CUTINI S., GASPARRINI D., GONZALEZ-NUEVO J., LEON-TAVARES J., LOPEZ-CANIEGO M., MAZZIOTTA M.N., MONTE C., PERRI M., RAINO S., TOSTI G., TRAMACERE A., VERRECCHIA F., ALLER H.D., ALLER M.F., ANGELAKIS E., BASTIERI D., BERDYUGIN A., BONALDI A., BONAVERA L., BURIGANA C., BURROWS D.N., BUSON S., CAVAZZUTI E., CHINCARINI G., COLAFRANCESCO S., COSTAMANTE L., CUTTAIA F., D'AMMANDO F., DE ZOTTI G., FRAILIS M., FUHRMANN L., GALEOTTA S., GARGANO F., GEHRELS N., GIGLIETTO N., GIORDANO F., GIROLETTI M., KEIHAENEN E., KING O., KRICHBAUM T.P., LASENBY A., LAVONEN N., LAWRENCE C.R., LETO C., LINDFORS E., MANDOLESI N., MASSARDI M., MAX-MOERBECK W., MICHELSON P.F., MINGALIEV M., NATOLI P., NESTORAS I., NIEPPOLA E., NILSSON K., PARTRIDGE B., PAVLIDOU V., PEARSON T.J., PROCOPIO P., RACHEN J.P., READHEAD A., REEVES R., REIMER A., REINTHAL R., RICCIARDI S., RICHARDS J., RIQUELME D., SAARINEN J., SAJINA A., SANDRI M., SAVOLAINEN P., SIEVERS A., SILLANPAEAE A., SOTNIKOVA Y., STEVENSON M., TAGLIAFERRI G., TAKALO L., TAMMI J., TAVAGNACCO D., TERENZI L., TOFFOLATTI L., TORNIKOSKI M., TRIGILIO C., TURUNEN M., UMANA G., UNGERECHTS H., VILLA F., WU J., ZACCHEI A., ZENSUS J.A. and ZHOU X.

Abstract (from CDS):

We present simultaneous Planck, Swift, Fermi, and ground-based data for 105 blazars belonging to three samples with flux limits in the soft X-ray, hard X-ray, and γ-ray bands, with additional 5GHz flux-density limits to ensure a good probability of a Planck detection. We compare our results to those of a companion paper presenting simultaneous Planck and multi-frequency observations of 104 radio-loud northern active galactic nuclei selected at radio frequencies. While we confirm several previous results, our unique data set allows us to demonstrate that the selection method strongly influences the results, producing biases that cannot be ignored. Almost all the BL Lac objects have been detected by the Fermi Large Area Telescope (LAT), whereas 30% to 40% of the flat-spectrum radio quasars (FSRQs) in the radio, soft X-ray, and hard X-ray selected samples are still below the γ-ray detection limit even after integrating 27 months of Fermi-LAT data. The radio to sub-millimetre spectral slope of blazars is quite flat, with <α≳0 up to about 70GHz, above which it steepens to <α≳-0.65. The BL Lacs have significantly flatter spectra than FSRQs at higher frequencies. The distribution of the rest-frame synchrotron peak frequency (νpeakS) in the spectral energy distribution (SED) of FSRQs is the same in all the blazar samples with <νpeakS≥10^13.1 ±0.1^Hz, while the mean inverse Compton peak frequency, <νpeakIC>, ranges from 1021 to 1022 Hz. The distributions of νpeakS and νpeakIC of BL Lacs are much broader and are shifted to higher energies than those of FSRQs; their shapes strongly depend on the selection method. The Compton dominance of blazars, defined as the ratio of the inverse Compton to synchrotron peak luminosities, ranges from less than 0.2 to nearly 100, with only FSRQs reaching values larger than about 3. Its distribution is broad and depends strongly on the selection method, with γ-ray selected blazars peaking at ∼7 or more, and radio-selected blazars at values close to 1, thus implying that the common assumption that the blazar power budget is largely dominated by high-energy emission is a selection effect. A comparison of our multi-frequency data with theoretical predictions shows that simple homogeneous SSC models cannot explain the simultaneous SEDs of most of the γ-ray detected blazars in all samples. The SED of the blazars that were not detected by Fermi-LAT may instead be consistent with SSC emission. Our data challenge the correlation between bolometric luminosity and νpeakS predicted by the blazar sequence.

Abstract Copyright:

Journal keyword(s): relativistic processes - BL Lacertae objects: general - quasars: general - galaxies: active

VizieR on-line data: <Available at CDS (J/A+A/541/A160): table1.dat-table3.dat table6.dat-table12.dat table15.dat-table20.dat >

Simbad objects: 116

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Number of rows : 116
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 QSO B0003-066 BLL 00 06 13.89288849 -06 23 35.3353162   19.1   17.14   ~ 291 1
2 Mrk 1501 Sy1 00 10 31.0058529490 +10 58 29.505989476   15.96 15.40 12.22   ~ 664 0
3 6C 001403+811827 BLL 00 17 08.4748554 +81 35 08.136591   17.60 16.52 15.95   ~ 368 1
4 QSO B0033+595 BLL 00 35 52.554 +59 50 04.19     19.5 17.2   ~ 147 2
5 NGC 262 Sy2 00 48 47.1414900 +31 57 25.083955 14.04 13.90 13.06 8.53   ~ 694 3
6 QSO B0118-272 BLL 01 20 31.6632705443 -27 01 24.643168036   15.89 15.56 15.49   ~ 251 1
7 QSO B0133+476 Bla 01 36 58.59480585 +47 51 29.1000445     18.0 19.25 15.21 ~ 464 1
8 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2627 2
9 QSO B0202-172 QSO 02 04 57.67434602 -17 01 19.8403980   18.18 18 17.19   ~ 214 1
10 QSO B0208-512 BLL 02 10 46.2000629834 -51 01 01.893312084   17.10 16.93 14.82   ~ 404 1
11 ICRF J021417.9+514451 BLL 02 14 17.9344275 +51 44 51.947352     16.50 16.5   ~ 91 1
12 6C 021252+733537 BLL 02 17 30.8143057005 +73 49 32.612359669     19.0 18.97   ~ 419 1
13 QSO J0217+0144 QSO 02 17 48.9547510 +01 44 49.698899   16.74 16.09 18.51 13.29 ~ 388 1
14 QSO B0218+357 QSO 02 21 05.5 +35 56 14   20.0 20.0 19.60   ~ 522 2
15 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 972 2
16 4C 28.07 QSO 02 37 52.40567732 +28 48 08.9900231     18.5 16.99   ~ 537 1
17 QSO B0235+1624 BLL 02 38 38.93010 +16 36 59.2746   16.46 15.50 15.92   ~ 1437 2
18 3C 84 Sy2 03 19 48.1597607660 +41 30 42.114155434   13.10 12.48 11.09   ~ 3706 3
19 QSO B0332-403 BLL 03 34 13.6547438706 -40 08 25.401996186 18.54 18.35 17.87 17.5   ~ 287 1
20 4C 32.14 QSO 03 36 30.10760600 +32 18 29.3422210     17.50 16.6   ~ 598 1
21 QSO B0420-0127 QSO 04 23 15.80072776 -01 20 33.0654034   17.50 17.00 16.28   ~ 1106 3
22 WISEA J042840.41-375619.3 BLL 04 28 40.4242766573 -37 56 19.583011524   18.96 19.0 17.21   ~ 265 1
23 Mrk 1506 Sy1 04 33 11.0958197353 +05 21 15.617543663   15.72 15.05 10.08   ~ 1892 2
24 QSO J0457-2324 QSO 04 57 03.1792314200 -23 24 52.020969479   18.85 18.5 16.56   ~ 358 1
25 QSO B0521-365 BLL 05 22 57.9839686440 -36 27 30.847737786   15.26 14.62 14.48   ~ 761 2
26 QSO J0530+13 Bla 05 30 56.41672 +13 31 55.1495     20.0 19.35   ~ 904 1
27 QSO B0537-441 BLL 05 38 50.36155219 -44 05 08.9389165   15.77 16.48 16   ~ 820 2
28 QSO B0537-286 QSO 05 39 54.28147645 -28 39 55.9478122   19.70 20.0 18.789   ~ 256 1
29 QSO B0548-322 BLL 05 50 40.5706739558 -32 16 16.488658537   16.07 15.5     ~ 381 1
30 [VV98] J062309.1-643624 BLL 06 23 07.6967637429 -64 36 20.719136879   17.06 14.80 13.59   ~ 78 0
31 QSO J0738+1742 BLL 07 38 07.39374766 +17 42 18.9982302   16.76 16.22 15.78   ~ 914 1
32 [VV2006] J074625.9+254901 QSO 07 46 25.87417871 +25 49 02.1347553   19.94 19.69 19.2   ~ 135 2
33 7C 081451.89+423206.00 BLL 08 18 15.99960470 +42 22 45.4149140   18.88 18.18 17.81   ~ 367 1
34 4C 56.16A QSO 08 24 47.23635309 +55 52 42.6693506   18.52 18.19 17.82   ~ 170 1
35 4C 71.07 QSO 08 41 24.36526906 +70 53 42.1730054     16.5 16.8   ~ 719 1
36 QSO J0854+2006 BLL 08 54 48.8749311881 +20 06 30.642936668   15.91 15.43 15.56   ~ 2117 1
37 Ton 397 BLL 09 15 52.4018373869 +29 33 24.041406916   16.79 16.39 16.085   ~ 202 1
38 6C 091740+445437 QSO 09 20 58.45848243 +44 41 53.9850927   18.40 18.16 16.55   ~ 338 1
39 ICRF J092338.8-213547 QSO 09 23 38.8853243380 -21 35 47.132418342   13.0   12.80   ~ 77 0
40 4C 55.17 QSO 09 57 38.1845058338 +55 22 57.750865288   18.24 17.89     ~ 391 1
41 6C 101157+494057 BLL 10 15 04.1393763275 +49 26 00.708524180   16.56 16.15 14.58   ~ 323 2
42 4C 01.28 BLL 10 58 29.60520747 +01 33 58.8237691   18.74 18.28 16.68   ~ 696 2
43 7C 1055+5644 BLL 10 58 37.7276722520 +56 28 11.207685679   16.80 16.31 14.58   ~ 182 2
44 QSO B1057-797 BLL 10 58 43.30977041 -80 03 54.1597166   19.08   17.31   ~ 166 0
45 Mrk 421 BLL 11 04 27.3139210166 +38 12 31.798324828   13.50 12.90 8.31   ~ 2477 1
46 QSO B1124-186 QSO 11 27 04.39244958 -18 57 17.4416582   19.17   19.23   ~ 201 1
47 QSO J1130-1449 QSO 11 30 07.05259287 -14 49 27.3881476   17.17 16.90 16 16.97 ~ 650 1
48 Ton 580 Sy1 11 31 09.4822135528 +31 14 05.506427771   16.22 16.05 15.8   ~ 136 1
49 6C 113337+702604 BLL 11 36 26.4084430 +70 09 27.307497   15.16 14.49 10.51   ~ 335 1
50 QSO B1144-3755 BLL 11 47 01.37070177 -38 12 11.0234199   19.03 16.2 16.72   ~ 273 1
51 LB 2136 QSO 11 53 24.46663282 +49 31 08.8301947   17.94 17.66     ~ 443 1
52 Ton 599 QSO 11 59 31.83390975 +29 14 43.8268741   14.80 14.41 17.652 13.39 ~ 830 1
53 6C 121520+302351 BLL 12 17 52.0819140772 +30 07 00.636792927   16.07 15.62 13.47   ~ 426 1
54 QSO B1217+023 BLL 12 20 11.8847131666 +02 03 42.220964390   16.15 15.97 15.6   ~ 301 1
55 7C 1219+2830 BLL 12 21 31.6902446544 +28 13 58.500383827   16.81 16.11 14.24   ~ 803 1
56 4C 04.42 QSO 12 22 22.54962080 +04 13 15.7761797   17.88 17.98 17.06   ~ 270 1
57 3C 273 BLL 12 29 06.6996828061 +02 03 08.598846466   13.05 14.830 14.11   ~ 5492 1
58 M 87 BiC 12 30 49.42338230 +12 23 28.0438581 10.16 9.59 8.63   7.49 ~ 6517 3
59 QSO J1246-2547 QSO 12 46 46.80203492 -25 47 49.2887900   17.65 17.41 16.96 15.5 ~ 249 1
60 LB 2449 BLL 12 48 18.7850212579 +58 20 28.716290009   16.10 15.78 15.19   ~ 159 1
61 3C 279 Bla 12 56 11.1664521013 -05 47 21.531840471   18.01 17.75 15.87   ~ 2823 2
62 ICRF J130533.0-103319 Sy1 13 05 33.0149111397 -10 33 19.430590671   15.18 15.23 14.46   ~ 523 1
63 7C 1308+3236 BLL 13 10 28.66387 +32 20 43.7831   15.61 15.24 17.91   ~ 778 1
64 3C 286 Sy1 13 31 08.2885060664 +30 30 32.960825107   17.51 17.25     ~ 3948 2
65 ICRF J135022.1+094010 Sy1 13 50 22.1359722 +09 40 10.654570   16.0 15.0 12.40   ~ 42 0
66 IC 4374 QSO 14 07 29.7622884 -27 01 04.292258   13.61   11.79   ~ 126 3
67 3C 298.0 QSO 14 19 08.1804677481 +06 28 34.803573057   17.12 16.79     ~ 381 1
68 ICRF J142314.1+505537 Sy1 14 23 14.1866421874 +50 55 37.276706744   18.25 17.88 14.93   ~ 79 1
69 7C 1424+2401 BLL 14 27 00.3918388878 +23 48 00.035406946 14.52 14.34 14.95 14.5   ~ 310 1
70 4FGL J1456.0+5051 BLL 14 56 03.6390872061 +50 48 25.977997731   19.84 19.51 18.1   ~ 28 0
71 NVSS J145608+504836 Rad 14 56 08.11965636 +50 48 36.3004356     19.30 21.80   ~ 34 1
72 QSO B1502+1041 Bla 15 04 24.97978142 +10 29 39.1986151   18.97 18.56 18.94   ~ 496 1
73 [VV2006] J150759.7+041512 QSO 15 07 59.7324314 +04 15 11.984957   20.14 19.25 19   ~ 44 1
74 4C -05.64 QSO 15 10 53.59142086 -05 43 07.4173767   17.44 17.21     ~ 202 1
75 QSO B1514-24 BLL 15 17 41.8135246339 -24 22 19.482167214   15.13 14.00 13.95   ~ 687 3
76 QSO B1553+113 BLL 15 55 43.0439413597 +11 11 24.365587666 14.91 14.72 14.57 13.99   ~ 456 1
77 [VV2006] J160338.0+155403 QSO 16 03 38.06194126 +15 54 02.3552149   18.5 13.97 12.15   ~ 59 2
78 QSO B1622-253 QSO 16 25 46.89164010 -25 27 38.3267989   21.3 20.6 19.60   ~ 319 1
79 4C 38.41 QSO 16 35 15.492970280 +38 08 04.50062279   18.14 17.97 17.25   ~ 783 1
80 6C 163852+395305 QSO 16 40 29.632771800 +39 46 46.02850331   18.4 16.5 18.75   ~ 284 2
81 3C 345 QSO 16 42 58.8100340220 +39 48 36.999540578   16.81 16.59 16.84   ~ 1596 2
82 4C 39.49 BLL 16 53 52.21668494 +39 45 36.6089458 14.09 14.15 13.29 8.26   ~ 1991 2
83 MCG+08-31-041 Sy1 17 19 14.4925747 +48 58 49.426017   15.86 14.81 9.44   ~ 289 1
84 QSO B1741+196 BLL 17 43 57.8326894 +19 35 09.019447     16.80 12.7   ~ 139 1
85 4C 09.57 BLL 17 51 32.81857318 +09 39 00.7284829   17.46 16.78 15.57   ~ 856 1
86 8C 1803+784 BLL 18 00 45.6831135718 +78 28 04.017792333   16.4 16.4 15.46   ~ 682 1
87 QSO B1830-211 Bla 18 33 39.92 -21 03 39.9     18.70 21   ~ 584 1
88 ESO 45-11 Bla 18 40 38.5956943389 -77 09 28.649589877   9.0 14.4 8.3   ~ 45 1
89 QSO B1908-202 QSO 19 11 09.65289198 -20 06 55.1089891   18.21   18.14   ~ 247 0
90 2E 1908.2-2011 X 19 11 10.6 -20 06 42           ~ 2 0
91 [VV2006] J192332.2-210433 QSO 19 23 32.18981466 -21 04 33.3330547   15.32 17.50 16.70   ~ 136 2
92 QSO B1921-293 BLL 19 24 51.05595514 -29 14 30.1210524   18.71 18.21 15.07   ~ 744 0
93 QSO B1959+650 BLL 19 59 59.8525497024 +65 08 54.651170114     12.8 11.21   ~ 539 2
94 NAME K 3-50A HII 20 01 45.6 +33 32 42           ~ 76 0
95 QSO B2005-489 BLL 20 09 25.3910622923 -48 49 53.722146927   15.75 12.81 11.41   ~ 532 2
96 QSO B2052-474 QSO 20 56 16.35981874 -47 14 47.6276461   18.29 19.1 18.07   ~ 279 1
97 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2376 1
98 QSO B2126-15 QSO 21 29 12.17589777 -15 38 41.0413097   17.61 17.3 17.3   ~ 476 1
99 ICRF J214335.5+174348 Sy1 21 43 35.5445519361 +17 43 48.787577197   15.91 15.73 15.17   ~ 361 1
100 QSO B2144+093 QSO 21 47 10.1629690 +09 29 46.671977   18.72 18.54 16.51   ~ 187 1
101 4C 06.69 QSO 21 48 05.4585565234 +06 57 38.605396596   16.85 16.47 15.06   ~ 620 1
102 QSO B2149-306 QSO 21 51 55.52398143 -30 27 53.6979987   17.95 18.0 17.48   ~ 231 1
103 QSO B2155-304 BLL 21 58 52.0651817803 -30 13 32.120657891   13.36 13.09 12.62   ~ 1622 1
104 NAME BL Lac BLL 22 02 43.2913773726 +42 16 39.978417860   15.66 14.72     ~ 2084 1
105 4C 31.63 BLL 22 03 14.9757053260 +31 45 38.266668549   15.85 15.58 14.33   ~ 472 1
106 QSO B2204-54 QSO 22 07 43.7335704104 -53 46 33.822173951   18.45 18.0 18.20   ~ 144 1
107 NGC 7213 Sy1 22 09 16.2106632887 -47 10 00.082166299   10.97 12.08 10.50 10.6 ~ 615 0
108 QSO B2227-0848 QSO 22 29 40.08434003 -08 32 54.4353948   17.80 17.41 17.81   ~ 311 1
109 QSO B2227-399 QSO 22 30 40.2791607315 -39 42 52.055208460   17.87 18.5 15.73   ~ 91 1
110 4C 11.69 QSO 22 32 36.40890517 +11 43 50.9040717   17.75 17.33     ~ 1019 2
111 3C 454.3 Bla 22 53 57.74798 +16 08 53.5611   16.57 16.10 15.22   ~ 2613 2
112 ICRF J230302.9-184125 Sy1 23 03 02.9754772581 -18 41 25.822776164   18.29 17.82 16.569   ~ 121 1
113 NAME Cas A SNR 23 23 24.000 +58 48 54.00     14.30     ~ 2542 1
114 QSO B2325+093 QSO 23 27 33.5805780 +09 40 09.462492   18.5 19.5 18.26   ~ 152 1
115 ICRF J233355.2-234340 BLL 23 33 55.23780 -23 43 40.6580   16.45 17 11.21   ~ 153 1
116 QSO B2344+514 BLL 23 47 04.8376303689 +51 42 17.875387216     15.50 10.7   ~ 407 0

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2021.11.29-16:45:14

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