2016MNRAS.460.3829M

Query : 2016MNRAS.460.3829M

2016MNRAS.460.3829M - Mon. Not. R. Astron. Soc., 460, 3829-3837 (2016/August-3)

Swift observations of unidentified radio sources in the revised Third Cambridge Catalogue.

MASELLI A., MASSARO F., CUSUMANO G., LA PAROLA V., HARRIS D.E., PAGGI A., LIUZZO E., TREMBLAY G.R., BAUM S.A. and O'DEA C.P.

Abstract (from CDS):

We have investigated a group of unassociated radio sources included in the Third Cambridge Catalogue (3CR) to increase the multifrequency information on them and possibly obtain an identification. We have carried out an observational campaign with the Swift satellite to observe with the Ultraviolet/Optical Telescope (UVOT) and the X-Ray Telescope (XRT) the field of view of 21 bright NRAO VLA Sky Survey (NVSS) sources within the positional uncertainty region of the 3CR sources. Furthermore, we have searched in the recent AllWISE Source Catalogue for infrared sources matching the position of these NVSS sources. We have detected significant emission in the soft X-ray band for nine of the investigated NVSS sources. To all of them, and in four cases with no soft X-ray association, we have associated a Wide-field Infrared Survey Explorerinfrared counterpart. Eight of these infrared candidates have not been proposed earlier in the literature. In the five remaining cases our candidate matches one among a few optical candidates suggested for the same 3CR source in previous studies. No source has been detected in the UVOT filters at the position of the NVSS objects, confirming the scenario that all of them are heavily obscured. With this in mind, a spectroscopic campaign, preferably in the infrared band, will be necessary to establish the nature of the sources that we have finally identified.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): radiation mechanisms: non-thermal - galaxies: active - radio continuum: galaxies - X-rays: general - X-rays: general

Simbad objects: 35

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Number of rows : 35
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 3C 11.1 Rad 00 29 44.806 +63 58 42.86           ~ 35 1
2 3C 14.1 Rad 00 36 27 +59 46.5           ~ 19 0
3 ICRF J003820.5-020740 Sy1 00 38 20.52934376 -02 07 40.5469964   19.04 18.02 17.6   ~ 255 1
4 3C 21.1 Rad 00 45 35 +68 04.4           ~ 10 0
5 3C 33.2 Rad 01 10 20 +69 22.0           ~ 18 0
6 NVSS J032719+552029 BLL 03 27 19.27584 +55 20 28.4640           ~ 71 1
7 4C -01.12 LIN 03 34 15.5780017080 -01 10 56.306052300     16     ~ 137 1
8 1RXS J033739.9+504551 QSO 03 37 43.0496630448 +50 45 47.850441912           ~ 53 1
9 3C 105.0 Sy2 04 07 16.4671273272 +03 42 25.813809432   18.5       ~ 241 0
10 3C 125 Rad 04 46 17.856 +39 45 03.03           ~ 43 1
11 WISEA J044617.88+394504.5 MIR 04 46 17.890 +39 45 04.50           ~ 1 0
12 3C 131 Rad 04 53 23.326 +31 29 25.30           ~ 69 1
13 3C 134 rG 05 04 42.190 +38 06 11.40   20       ~ 90 1
14 NVSS J051932+505432 Rad 05 19 32.52342480 +50 54 31.2300360           ~ 44 1
15 3CR 139.2 Rad 05 24 27.109 +28 12 47.00           ~ 49 1
16 WISEA J052427.51+281256.7 MIR 05 24 27.510 +28 12 56.72           ~ 1 0
17 4C 32.18 Rad 05 26 43.436 +32 50 09.34           ~ 58 1
18 WISEA J060428.62+202121.7 MIR 06 04 28.628 +20 21 21.71           ~ 1 0
19 3C 152 Rad 06 04 28.628 +20 21 21.72           ~ 59 1
20 WISE J062141.01+143212.8 MIR 06 21 41.013 +14 32 12.87           ~ 2 0
21 3C 158 Rad 06 21 41.063 +14 32 11.18           ~ 71 2
22 3C 171.0 Sy2 06 55 14.7385158451 +54 08 57.427918985   19.94 19.08     ~ 264 1
23 3C 250 Rad 11 08 52.062 +25 00 54.64   23       ~ 55 1
24 IC 1065 Sy2 14 49 21.5927137128 +63 16 13.799495280   17.30 16.39     ~ 378 1
25 2C 1590 BLL 18 45 37.622 +09 53 44.74           ~ 82 1
26 IRAS 18430-0310 Mi* 18 45 41.6381589456 -03 07 05.505391812           ~ 16 0
27 3C 394 Rad 18 59 23.363 +12 59 12.10           ~ 63 1
28 3C 399.1 rG 19 15 56.761 +30 19 53.81           ~ 44 1
29 3C 409 Rad 20 14 27.597 +23 34 52.94           ~ 96 1
30 3C 415.2 rG 20 32 46.118 +53 45 50.15           ~ 31 1
31 3C 428.0 Rad 21 08 22.394 +49 36 37.67           ~ 59 1
32 3CR 431 Rad 21 18 52.469 +49 36 59.12           ~ 48 2
33 WISEA J225205.50+644011.9 MIR 22 52 05.504 +64 40 11.98           ~ 2 0
34 3C 454.2 Rad 22 52 05.613 +64 40 12.13           ~ 38 1
35 3C 468.1 rG 23 50 54.845 +64 40 19.59           ~ 73 1

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