2009ApJ...697.1341R

Query : 2009ApJ...697.1341R

2009ApJ...697.1341R - Astrophys. J., 697, 1341-1357 (2009/June-1)

An objective survey of Mpc-scale radio emission in 0.03 < z < 0.3 bright X-ray clusters.

RUDNICK L. and LEMMERMAN J.A.

Abstract (from CDS):

We have performed the first census of Mpc-scale radio emission to include control fields and quantifiable upper limits for bright X-ray clusters in the range 0.03 < z < 0.3. Through reprocessing radio images from the Westerbork Northern Sky Survey, we detect diffuse emission from ∼30% of the sample. We find a correlation similar to the well-studied relationship between radio halo and X-ray luminosities of the host cluster, but also find that large-scale radio galaxy (RG) detections follow a similar trend to that for radio halos. With this quantitative study, we thus confirm the upper envelope to the radio luminosities for X-ray-selected clusters, and the higher detection rates for diffuse radio emission (including halos, relics, and RGs) at X-ray luminosities above ∼1045 erg/s. Beyond this, because many of the upper limits are only slightly below the detections, we can neither confirm nor refute the claims for a tight correlation between these radio halos and X-ray luminosities, i.e., whether the halo luminosity function of X-ray clusters is bimodal (having high/on and low/off states), or whether the radio luminosity can take on a wide range of values up to a maximum at each cluster X-ray luminosity. The resolution of this issue, also recently addressed in a Giant Metrewave Radio Telescope (GMRT) survey at 610 MHz, may provide a unique diagnostic for the timescales over which relativistic particles can be accelerated following cluster mergers. We discuss several important selection effects on radio versus X-ray luminosity correlations, including surface brightness thresholds and non-X-ray-selected diffuse radio sources. We also report several new detections of diffuse emission, including an Mpc-scale relic in RXJ1053.7+5450, a possible halo/relic combination in Abell 2061, a serendipitous diffuse X-ray source associated with poor clusters in the Abell 781 field, and confirmation of very weak diffuse emission patches outside Abell 2255.

Abstract Copyright: ∼

Journal keyword(s): galaxies: clusters: general

Simbad objects: 90

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Number of rows : 90
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 ACO 7 ClG 00 11 43.134 +32 24 46.55           ~ 82 0
2 NVSS J001145+322542 Rad 00 11 46.3 +32 25 46           ~ 67 1
3 ACO 77 ClG 00 40 34.2 +29 31 27           ~ 76 0
4 ACO 272 ClG 01 55 19.1 +33 56 41           ~ 66 0
5 BAX 037.0388+28.1825 ClG 02 28 09.6 +28 11 39           ~ 16 0
6 ACO 376 ClG 02 45 48 +36 51.6           B8.5 161 1
7 ACO 407 ClG 03 01 43.7 +35 49 48           ~ 113 0
8 ACO 566 ClG 07 04 37.5 +63 18 39           ~ 71 0
9 ACO 576 ClG 07 21 24.1 +55 44 20           ~ 312 1
10 ACO 586 ClG 07 32 20.3 +31 37 58           ~ 196 0
11 Z 262-19 BiC 07 40 58.2309667896 +55 25 37.870473828   14.2       ~ 52 1
12 BAX 117.8422+50.2109 ClG 07 51 24.61 +50 15 00.6           ~ 34 0
13 ACO 602 ClG 07 53 23.51 +29 20 20.3           ~ 80 0
14 ZwCl 0755+5408 ClG 07 59 54.4 +54 01 01           ~ 26 0
15 BAX 124.9136+63.6101 ClG 08 19 26.0 +63 37 26           ~ 21 0
16 ACO 646 ClG 08 22 10.0 +47 05 58           ~ 102 1
17 ACO 655 ClG 08 25 16.12 +47 09 34.2           ~ 118 0
18 ACO 667 ClG 08 28 05.8 +44 46 00           ~ 45 0
19 ACO 671 ClG 08 28 48.68 +30 27 07.0           ~ 168 0
20 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 457 0
21 ACO 697 ClG 08 42 57.6 +36 21 45           ~ 277 0
22 ZwCl 0847+3617 ClG 08 50 12.0 +36 03 36           ~ 75 0
23 ACO 757 ClG 09 12 57.79 +47 43 45.2           ~ 67 0
24 ACO 773 ClG 09 17 51.3 +51 43 20           ~ 308 0
25 NSC J091810+302323 ClG 09 18 19.5 +30 24 16           ~ 8 0
26 NSC J091904+301755 ClG 09 19 04.26 +30 17 54.8           ~ 2 0
27 ACO 781 ClG 09 20 25.4 +30 30 07           ~ 167 0
28 ZwCl 0949+5207 ClG 09 52 49.1 +51 53 05           ~ 141 0
29 ZwCl 0959+3257 ClG 10 02 42.16 +32 43 37.2           ~ 41 0
30 ACO 961 ClG 10 16 39.24 +33 39 44.4           ~ 61 0
31 ACO 963 ClG 10 17 03.4 +39 02 56           ~ 414 0
32 ACO 980 ClG 10 22 30.6 +50 06 06           ~ 70 0
33 ACO 990 ClG 10 23 39.46 +49 08 19.6           ~ 88 0
34 ACO 1033 ClG 10 31 39.78 +35 05 34.4           ~ 97 0
35 ACO 1068 ClG 10 40 47.1 +39 57 19           ~ 232 0
36 BAX 163.4480+54.8499 ClG 10 53 50.83 +54 49 55.1           ~ 59 0
37 ACO 1132 ClG 10 58 32.05 +56 47 14.2           ~ 145 1
38 ACO 1190 ClG 11 11 43.83 +40 51 43.5           ~ 145 0
39 ACO 1302 ClG 11 33 12.02 +66 22 26.9           ~ 81 0
40 ACO 1314 ClG 11 34 53.0 +49 05 18           ~ 234 1
41 ACO 1361 ClG 11 43 45.85 +46 20 51.8           ~ 96 0
42 ACO 1366 ClG 11 44 44.72 +67 24 51.9           ~ 56 0
43 ACO 1423 ClG 11 57 17.3206 +33 36 39.364           ~ 181 0
44 BAX 181.2934+39.3467 ClG 12 05 10.4 +39 20 48           ~ 23 0
45 3C 277.3 BLL 12 54 12.0071453880 +27 37 33.952663740   15.94       ~ 379 1
46 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
47 ACO 1677 ClG 13 05 52.6 +30 54 06           ~ 70 0
48 ACO 1682 ClG 13 06 49.7 +46 32 59           ~ 149 1
49 NAME NGC 5098 Group GrG 13 20 14.4 +33 08 38           ~ 65 0
50 ACO 1758 ClG 13 32 32.1 +50 30 37           ~ 266 2
51 ACO 1763 ClG 13 35 20.1 +41 00 04           ~ 335 0
52 ACO 1767 ClG 13 36 06.92 +59 10 34.3           ~ 182 0
53 ACO 1885 ClG 14 13 43.73 +43 39 45.0           ~ 75 0
54 ACO 1902 ClG 14 21 39.7 +37 17 43           ~ 67 0
55 ACO 1907 ClG 14 21 39.91 +49 30 38.4           ~ 29 0
56 ACO 1918 ClG 14 25 22.7 +63 11 14           ~ 71 0
57 ACO 1914 ClG 14 25 57.4 +37 49 54           ~ 338 0
58 ACO 1930 ClG 14 32 42.6 +31 34 07           ~ 63 0
59 ACO 1953 ClG 14 41 53 +13 17.2           ~ 9 0
60 ACO 2034 ClG 15 10 03.9 +33 30 57           ~ 248 1
61 ACO 2064 ClG 15 20 59.4 +48 38 17           ~ 53 0
62 ACO 2061 ClG 15 21 19.90 +30 37 13.0           ~ 214 1
63 ACO 2067 ClG 15 23 14 +30 54.4           ~ 111 1
64 ACO 2069 ClG 15 24 02.92 +29 53 20.3           ~ 165 0
65 LEDA 1900245 Bla 15 32 53.780 +30 20 59.41   19.1   15.7 17.819 ~ 155 1
66 ACO 2110 ClG 15 39 39.82 +30 42 27.9           ~ 83 0
67 ACO 2111 ClG 15 39 40.9 +34 25 04           ~ 188 0
68 ACO 2122 ClG 15 44 55.93 +36 06 05.2           ~ 243 0
69 ACO 2175 ClG 16 20 30.70 +29 53 31.2           ~ 133 0
70 ACO 2199 ClG 16 28 34.5 +39 32 26           ~ 1206 1
71 NGC 6251 Bla 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 772 1
72 ACO 2218 ClG 16 35 54.0 +66 13 00           ~ 827 1
73 ACO 2219 ClG 16 40 22.1 +46 42 20           ~ 381 0
74 ACO 2241 ClG 16 59 42.58 +32 34 44.4           ~ 85 1
75 ACO 2244 ClG 17 02 40.33 +34 02 58.7           ~ 301 0
76 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
77 ACO 2249 ClG 17 09 36.76 +34 28 04.1           ~ 136 0
78 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
79 NAME NGC 6338 Group GrG 17 15 32.47 +57 25 19.0           ~ 95 0
80 ZwCl 1717+5636 ClG 17 18 09.272 +56 40 00.02           ~ 53 1
81 ACO 2261 ClG 17 22 26.9 +32 07 58           ~ 370 0
82 ACO 2294 ClG 17 24 10.1 +85 53 09           ~ 69 0
83 ZwCl 1728+4353 ClG 17 33 00.0 +43 45 00           ~ 41 0
84 IC 1262 rG 17 33 02.0176600056 +43 45 34.803150516   14.9       ~ 79 0
85 BAX 265.1346+35.6492 ClG 17 40 32.7 +35 38 51           ~ 36 0
86 ZwCl 1742+3306 ClG 17 44 16.2753 +32 59 55.115           ~ 93 0
87 ClG J1750+3504 ClG 17 50 15.9 +35 04 58           ~ 36 0
88 NVSS J175016+350458 rG 17 50 16.8682358184 +35 04 58.558211040           ~ 37 2
89 ZwCl 1810+4949 ClG 18 11 00.1 +49 54 40     14.8     ~ 60 0
90 ACO 2312 ClG 18 53 54.7 +68 22 53           ~ 67 0

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