2016MNRAS.458.1803C

Query : 2016MNRAS.458.1803C

2016MNRAS.458.1803C - Mon. Not. R. Astron. Soc., 458, 1803-1814 (2016/May-2)

A newly discovered radio halo in merging cluster MACS J2243.3-0935.

CANTWELL T.M., SCAIFE A.M.M., OOZEER N., WEN Z.L. and HAN J.L.

Abstract (from CDS):

We report the discovery of a radio halo in the massive merging cluster MACSJ2243.3-0935, as well as a new radio relic candidate, using the Giant Meterwave Radio Telescope and the Karoo Array Telescope-7 telescope. The radio halo is coincident with the cluster X-ray emission and has a largest linear scale of approximately 0.9 Mpc. We measure a flux density of 10.0±2.0 mJy at 610 MHz for the radio halo. We discuss equipartition estimates of the cluster magnetic field and constrain the value to be of the order of 1 µG. The relic candidate is detected at the cluster virial radius where a filament meets the cluster. The relic candidate has a flux density of 5.2±0.8 mJy at 610 MHz. We discuss possible origins of the relic candidate emission and conclude that the candidate is consistent with an infall relic.

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

Journal keyword(s): galaxies: clusters: intracluster medium

Nomenclature: Table 4: [CSO2016] JHHMMSS.ss+DDMMSS.ss N=25. Table 5: [CSO2016] MACSJ2243.3-0935 A-N (Nos A-1 to A-9, B-1 to B-4, C-1 to C-5).

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

Simbad objects: 53

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Number of rows : 53
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 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
2 NGC 1265 rG 03 18 15.674 +41 51 27.94   14.7       ~ 386 2
3 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
4 NGC 4839 BiC 12 57 24.3563164776 +27 29 52.203087132 13.56 13.02 12.06     ~ 482 3
5 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
6 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1332 2
7 3C 446 BLL 22 25 47.25929101 -04 57 01.3907626   18.83 18.39 16.3   ~ 863 1
8 [CSO2016] J224216.30-093153.10 AG? 22 42 16.3144 -09 31 53.338           ~ 2 0
9 [CSO2016] J224253.50-092249.10 Rad 22 42 53.500 -09 22 49.10           ~ 1 0
10 NAME Scl 2243-0935 Supercluster SCG 22 43.0 -09 35           ~ 10 0
11 [CSO2016] J224300.00-093456.20 Rad 22 43 00.000 -09 34 56.20           ~ 1 0
12 [CSO2016] J224309.20-093609.60 Rad 22 43 09.200 -09 36 09.60           ~ 1 0
13 [CSO2016] MACSJ2243.3-0935 C-4 Rad 22 43 09.40 -09 35 57.1           ~ 1 0
14 SDSS J224310.12-093548.8 rG 22 43 10.128 -09 35 48.83           ~ 2 0
15 SDSS J224310.28-093555.4 rG 22 43 10.282 -09 35 55.49           ~ 2 0
16 SDSS J224311.92-093714.8 rG 22 43 11.923 -09 37 14.86           ~ 2 0
17 SDSS J224314.19-093551.1 rG 22 43 14.192 -09 35 51.19           ~ 2 0
18 SDSS J224316.63-093451.4 Rad 22 43 16.633 -09 34 51.50           ~ 1 0
19 [CSO2016] MACSJ2243.3-0935 A-8 Rad 22 43 18.10 -09 36 09.8           ~ 1 0
20 NVSS J224318-094454 rG 22 43 18.56981 -09 44 53.8514           ~ 1 0
21 [CSO2016] J224318.80-091854.40 Rad 22 43 18.800 -09 18 54.40           ~ 1 0
22 ClG J2243-0935 ClG 22 43 21.1 -09 35 43           ~ 96 0
23 SDSS J224322.08-093652.4 Rad 22 43 22.084 -09 36 52.44           ~ 1 0
24 SDSS J224323.40-093607.5 rG 22 43 23.407 -09 36 07.59           ~ 3 0
25 [CSO2016] J224323.70-095052.60 Rad 22 43 23.700 -09 50 52.60           ~ 1 0
26 [CSO2016] MACSJ2243.3-0935 A-5 Rad 22 43 24.20 -09 35 08.3           ~ 1 0
27 SDSS J224324.84-093350.9 rG 22 43 24.847 -09 33 50.97           ~ 2 0
28 [CSO2016] J224324.90-093349.50 Rad 22 43 24.900 -09 33 49.50           ~ 1 0
29 SDSS J224325.14-093408.7 rG 22 43 25.146 -09 34 08.74           ~ 2 0
30 SDSS J224325.30-093503.1 rG 22 43 25.300 -09 35 03.20           ~ 3 0
31 [CSO2016] J224325.80-093911.40 Rad 22 43 25.800 -09 39 11.40           ~ 1 0
32 [CSO2016] J224327.80-094710.00 Rad 22 43 27.800 -09 47 10.00           ~ 1 0
33 [CSO2016] J224328.60-092800.50 Rad 22 43 28.600 -09 28 00.50           ~ 1 0
34 SDSS J224331.40-093558.9 rG 22 43 31.405 -09 35 58.90           ~ 2 0
35 [CSO2016] MACSJ2243.3-0935 B-4 Rad 22 43 34.40 -09 36 45.6           ~ 1 0
36 [CSO2016] J224334.40-093341.30 Rad 22 43 34.400 -09 33 41.30           ~ 1 0
37 [CSO2016] MACSJ2243.3-0935 B-2 Rad 22 43 35.30 -09 35 58.7           ~ 1 0
38 [CSO2016] J224335.60-093042.60 Rad 22 43 35.600 -09 30 42.60           ~ 1 0
39 SDSS J224337.71-093444.5 Rad 22 43 37.715 -09 34 44.55           ~ 1 0
40 [CSO2016] J224338.40-094428.40 Rad 22 43 38.400 -09 44 28.40           ~ 1 0
41 [CSO2016] J224339.10-093442.30 Rad 22 43 39.100 -09 34 42.30           ~ 1 0
42 [CSO2016] J224340.30-094231.70 Rad 22 43 40.300 -09 42 31.70           ~ 1 0
43 NVSS J224349-095407 Rad 22 43 49.12 -09 54 07.5           ~ 2 1
44 [CSO2016] J224356.60-092526.00 Rad 22 43 56.600 -09 25 26.00           ~ 1 0
45 GLEAM J224402-095116 Rad 22 44 02.26 -09 51 05.9           ~ 2 1
46 [CSO2016] J224403.20-092832.70 Rad 22 44 03.200 -09 28 32.70           ~ 1 0
47 [CSO2016] J224412.60-094629.40 Rad 22 44 12.600 -09 46 29.40           ~ 1 0
48 SDSS J224412.75-093423.1 Bla 22 44 12.753 -09 34 23.14           ~ 6 0
49 [CSO2016] J224426.90-092636.40 Rad 22 44 26.900 -09 26 36.40           ~ 1 0
50 [CSO2016] J224429.60-094539.50 Rad 22 44 29.600 -09 45 39.50           ~ 1 0
51 [CSO2016] J224431.20-094107.80 Rad 22 44 31.200 -09 41 07.80           ~ 1 0
52 QSO J2246-1206 Bla 22 46 18.23197022 -12 06 51.2775983   16.63 16.45 15.99   ~ 293 1
53 3C 468.1 rG 23 50 54.845 +64 40 19.59           ~ 73 1

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