2023MNRAS.526..661K

Query : 2023MNRAS.526..661K

2023MNRAS.526..661K - Mon. Not. R. Astron. Soc., 526, 661-681 (2023/November-3)

The spectra of IceCube Neutrino (SIN) candidate sources - IV. Spectral energy distributions and multiwavelength variability.

KARL M., PADOVANI P. and GIOMMI P.

Abstract (from CDS):

We present hybrid spectral energy distributions, combining photon, and neutrino fluxes, for a sample of blazars, which are candidate IceCube neutrino sources. We furthermore check for differences in our sources' variability in the near-infrared, optical, X-ray, and γ-ray bands compared to a sample of non-neutrino source candidate blazars, and investigate the state of each blazar at the arrival time of high-energy neutrinos. We find no significant differences when comparing our sample with control sources, also in terms of their spectral energy distributions, and no correlation between flaring states and neutrino arrival times. Looking for signatures of hadronic production, we check for similar strengths of the γ-ray and neutrino fluxes and find a $2.2\, \sigma$ signal for our source candidates. The hybrid spectral energy distributions assembled here will form the basis of the next step of our project, namely lepto-hadronic modelling of these blazars to assess the physical likelihood of a neutrino connection.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): astroparticle physics - neutrinos - radiation mechanisms: non-thermal - galaxies: active - BL Lacertae objects: general - gamma-rays: galaxies

Errata: erratum vol. 527, art. 111360 (2024)

Status at CDS : All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 55

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Number of rows : 55
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 3HSP J010326.0+152624 BLL 01 03 26.0003786544 +15 26 24.650787336   19.75 18.55 16.4   ~ 46 1
2 PMN J0158+0101 BLL 01 58 52.7700514128 +01 01 32.909527020           ~ 44 1
3 9Y-MST J0224+1615 Bla 02 24 16.3 +16 16 00           ~ 24 0
4 RX J0232.8+2017 BLL 02 32 48.6148874688 +20 17 17.486717388     18.00 13.96   ~ 387 1
5 NVSS J023927+132738 BLL 02 39 27.2338101624 +13 27 38.504055421           ~ 33 1
6 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
7 ICRF J024445.6+132007 Bla 02 44 45.69332807 +13 20 07.2213396           ~ 41 1
8 LEDA 135030 BLL 03 39 13.7028495360 -17 36 00.782534268   16.27       ~ 78 1
9 1RXS J034424.5+343016 BL? 03 44 24.9562591815 +34 30 18.017699047           ~ 19 0
10 PMN J0509+0541 BLL 05 09 25.9644373872 +05 41 35.333820420 15.32 14.95 14.78 15.12   ~ 589 2
11 2MASS J05252803-2010482 BLL 05 25 28.0391161611 -20 10 48.382555910           ~ 30 1
12 1RXS J062753.2-152011 Bla 06 27 53.3767394644 -15 19 57.183152008           ~ 20 1
13 1RXS J064933.8-313914 BLL 06 49 33.5989252036 -31 39 20.286354937           ~ 45 0
14 SDSS J085410.16+275421.7 BLL 08 54 10.1652947088 +27 54 21.774976884   20.92 20.04 19.7   ~ 33 0
15 RX J0946.3+0104 BLL 09 46 20.2166039496 +01 04 52.099953780   20.92 20.17 19.6   ~ 67 1
16 RX J0955.1+3550 BLL 09 55 07.8818398488 +35 51 00.885435048   21.04 20.36 19.1   ~ 68 0
17 4FGL J1003.4+0205 BLL 10 03 26.6372116104 +02 04 55.633275840   19.0 19.58 18.9   ~ 28 0
18 87GB 103758.5+063247 BLL 10 40 31.6262333280 +06 17 21.764932476   20.02 16.8 19.73   ~ 81 1
19 4FGL J1043.6+0654 Bz? 10 43 36.2 +06 54 03           ~ 13 0
20 4FGL J1055.7-1807 gam 10 55 47.7 -18 07 15           ~ 9 0
21 RX J1117.1+2014 BLL 11 17 06.2512673640 +20 14 07.380923028           ~ 159 1
22 4FGL J1124.0+2045 BLL 11 24 05.3522345064 +20 45 53.777018484       19.6   ~ 23 0
23 4FGL J1124.9+2143 BLL 11 25 03.6435263400 +21 43 00.120275328       18.1   ~ 22 0
24 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
25 NVSS J123123+142123 BLL 12 31 23.9056875672 +14 21 24.429803472     17.70 16.9   ~ 75 0
26 SDSS J125821.45+212351.3 BLL 12 58 21.4555723595 +21 23 51.346858831           ~ 24 1
27 2MASS J12584805-0447450 BLL 12 58 48.0460059168 -04 47 45.263736096     20.40 18.9   ~ 38 0
28 4FGL J1300.0+1753 BLL 13 00 08.5217830272 +17 55 38.004634308       19.2   ~ 19 0
29 7C 1312+2404 BLL 13 14 43.8062104200 +23 48 26.782554060 17.15 16.83 16.57 15.4   ~ 99 2
30 4FGL J1321.9+3219 Bz? 13 21 55.2 +32 19 53           ~ 20 0
31 4FGL J1359.1-1152 Bz? 13 59 10.7 -11 52 58           ~ 15 0
32 RX J1404.8+6554 BLL 14 04 49.5814752144 +65 54 31.557003840   19.53 18.88 18.7   ~ 64 0
33 4FGL J1439.5-2525 Bz? 14 39 31.6 -25 25 12           ~ 20 0
34 PMN J1439-2341 BL? 14 39 59.4426367182 -23 41 40.992438791           ~ 23 1
35 4FGL J1447.0-2657 Bz? 14 46 56.8503565804 -26 56 58.313021856           ~ 26 1
36 3FGL J1507.6-3710 BLL 15 07 20.8116025251 -37 09 03.020415990           ~ 29 1
37 1RXS J152836.5+200423 Bla 15 28 35.7704227448 +20 04 20.131877748           ~ 21 0
38 RX J1533.1+1854 BLL 15 33 11.2518579384 +18 54 29.054401704           ~ 64 0
39 RX J1554.4+2011 BLL 15 54 24.1304763192 +20 11 25.399984632     17.70     ~ 112 1
40 ATO J272.0480+35.0218 BLL 18 08 11.5301050080 +35 01 18.674593032           ~ 28 1
41 GB6 B1807+3520 BLL 18 08 49.6978870632 +35 20 42.667697076           ~ 13 1
42 3FGL J1809.0+3517 Bz? 18 09 14.8 +35 09 03           ~ 25 0
43 NVSS J203031+223439 BL? 20 30 31.3616464766 +22 34 38.692931262           ~ 18 0
44 RX J2030.8+1935 BLL 20 30 57.1340134032 +19 36 12.930528420           ~ 59 2
45 NVSS J213314+252858 BLL 21 33 14.3614671839 +25 28 59.125195032           ~ 37 0
46 SDSS J222329.57+010226.6 BLL 22 23 29.5712726232 +01 02 26.654394588           ~ 46 0
47 NVSS J222752+004446 rG 22 27 43.65 +00 57 30.0           ~ 39 0
48 SDSS J232625.63+011208.6 Bz? 23 26 18.0 +01 13 18           ~ 21 0
49 ICRF J232625.6+011208 QSO 23 26 25.64373844 +01 12 08.6936906           ~ 26 1
50 [VV2006] J235021.5-300039 QSO 23 50 21.5357894856 -30 00 38.856405492   19.20       ~ 42 0
51 LEDA 3231681 BLL 23 50 34.3076444448 -30 06 04.457526408   18.738   17.132   ~ 13 1
52 4FGL J2351.4-2818 gam 23 51 28.5 -28 18 42           ~ 16 0
53 IC 5362 rG 23 51 36.7383942744 -28 21 53.942400288   13.81   12.36   ~ 52 1
54 3FGL J2358.3-2853 Bla 23 58 12.0 -28 53 37           ~ 23 0
55 PMN J2358-2853 rG 23 58 16.9719979608 -28 53 34.099361124           ~ 18 1

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