2011ApJ...731...31S

Query : 2011ApJ...731...31S

2011ApJ...731...31S - Astrophys. J., 731, 31 (2011/April-2)

Evidence for rapid redshift evolution of strong cluster cooling flows.

SAMUELE R., McNAMARA B.R., VIKHLININ A. and MULLIS C.R.

Abstract (from CDS):

We present equivalent widths of the [O II]λ3727 and Hα nebular emission lines for 77 brightest cluster galaxies (BCGs) selected from the 160 Square Degree ROSAT X-ray survey. We find no [O II]λ3727 or Hα emission stronger than -15 Å or -5 Å, respectively, in any BCG. The corresponding emission-line luminosities lie below L ∼ 6x1040 erg/s, which is a factor of 30 below that of NGC 1275 in the Perseus Cluster. A comparison to the detection frequency of nebular emission in BCGs at z ≲ 0.35 drawn from the Brightest Cluster Survey indicates that we should have detected roughly one dozen emission-line galaxies, assuming that the two surveys are selecting similar clusters in the X-ray luminosity range 1042 erg/s to 5x1044 erg/s. The absence of luminous nebular emission (i.e., Perseus-like systems) in our sample is consistent with an increase in the number density of strong cooling flow (cooling core) clusters between z = 0.5 and today. The decline in their numbers at higher redshift could be due to cluster mergers and heating by active galactic nuclei.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: clusters: general - galaxies: clusters: intracluster medium - galaxies: jets - X-rays: galaxies: clusters

Simbad objects: 85

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Number of rows : 85
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 BAX 010.2929-23.6592 ClG 00 41 10.3 -23 39 33           ~ 8 0
2 BAX 012.7467-09.4867 ClG 00 50 59.3 -09 29 14           ~ 14 0
3 [VMF98] 5 ClG 00 56 55.0 -22 13 51           ~ 10 0
4 ClG 0055-2754 ClG 00 56 56.8 -27 40 29   21.9       ~ 84 0
5 BAX 017.5750+19.6397 ClG 01 10 18.0 +19 38 23           ~ 18 0
6 ACO S 154 ClG 01 22 36.0 -28 32 05           ~ 10 0
7 BAX 021.1462+04.0136 ClG 01 24 35.1 +04 00 49           ~ 10 0
8 BAX 025.7108+20.4211 ClG 01 42 48.6 +20 24 30           ~ 10 0
9 BAX 026.1245+02.2120 ClG 01 44 29.1 +02 12 37           ~ 13 0
10 ClG J0159+0030 ClG 01 59 18.2 +00 30 09           ~ 32 0
11 2MASX J02014311-0211474 BiC 02 01 43.101 -02 11 48.07           ~ 10 0
12 2MAXI J0206+153 ClG 02 06 23.4 +15 11 16           ~ 16 0
13 BAX 031.7063-13.1511 ClG 02 06 49.9 -13 09 09           ~ 8 0
14 BAX 044.6921+00.2122 ClG 02 58 46.1 +00 12 44           ~ 12 0
15 ZwCl 0256+0002 ClG 02 59 33.8 +00 13 45           ~ 19 0
16 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7066 0
17 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2258 1
18 3C 84 Sy2 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4008 3
19 BAX 057.9075-36.8306 ClG 03 51 37.8 -36 49 50           ~ 8 0
20 BAX 069.7593+05.3453 ClG 04 39 02.2 +05 20 43           ~ 78 0
21 BAX 076.5154-28.6789 ClG 05 06 04.0 -28 40 50           ~ 10 0
22 ClG J0521-2530 ClG 05 21 10.5 -25 30 36           ~ 18 0
23 ClG J0522-3624 ClG 05 22 13.8 -36 24 49           ~ 38 0
24 BAX 126.6238+31.4208 ClG 08 26 29.7 +31 25 15           ~ 7 0
25 BAX 130.2808+64.3786 ClG 08 41 07.4 +64 22 41           ~ 15 0
26 MCXC J0842.8+5023 ClG 08 42 52.8 +50 23 16           ~ 8 0
27 BAX 133.1400+16.3022 ClG 08 52 32.9 +16 18 07           ~ 10 0
28 ClG J0858+1357 ClG 08 58 25.0 +13 57 16           ~ 14 0
29 BAX 136.8246+33.5025 ClG 09 07 17.9 +33 30 09           ~ 10 0
30 [VV2006] J092112.8+452905 QSO 09 21 12.8304560016 +45 29 03.987252096   19.09 18.71     ~ 37 2
31 ClG J0926+1242 ClG 09 26 36.6 +12 42 59           ~ 39 0
32 BAX 145.9371+16.7467 GrG 09 43 45.0 +16 44 13           ~ 27 0
33 ACO 899 ClG 09 58 10.6 +55 15 16           ~ 22 0
34 BAX 153.4100+49.5519 ClG 10 13 36.9 +49 33 05           ~ 14 0
35 [VMF98] 88 ClG 10 15 08.5 +49 31 32           ~ 11 0
36 BAX 159.0471+57.2253 ClG 10 36 11.3 +57 13 31           ~ 10 0
37 BAX 162.2558+54.3989 ClG 10 49 01.40 +54 23 56.0           ~ 9 0
38 BAX 169.3000+17.7400 ClG 11 17 12.0 +17 44 24           ~ 11 0
39 ClG J1117+1744 ClG 11 17 30.2 +17 44 44           ~ 30 0
40 ClG J1120+2326 ClG 11 20 57.9 +23 26 41           ~ 40 0
41 ZwCl 1120+1425 ClG 11 23 10.6 +14 09 40           ~ 13 0
42 BAX 171.0158-17.0031 ClG 11 24 03.8 -17 00 11           ~ 12 0
43 ZwCl 1121+4212 ClG 11 24 30.2 +41 55 57           ~ 13 0
44 BAX 173.9771+21.5181 ClG 11 35 54.4 +21 31 04           ~ 10 0
45 ZwCl 1139+2205 ClG 11 42 04.5 +21 45 00           ~ 13 0
46 BAX 176.6121+28.9042 ClG 11 46 26.9 +28 54 19           ~ 16 0
47 2XMMi J115811.9+552126 ClG 11 58 11.7 +55 21 45           ~ 9 0
48 ACT-CL J1200.8-0328 ClG 12 00 49.5 -03 27 30           ~ 24 0
49 BAX 181.6396-07.7411 ClG 12 06 33.5 -07 44 24           ~ 16 0
50 ClG J1213+0253 ClG 12 13 34.4 +02 53 57           ~ 30 0
51 BAX 184.6192+30.1972 ClG 12 18 29.1 +30 11 46           ~ 10 0
52 ClG J1221+4918 ClG 12 21 25.0 +49 18 07           ~ 58 0
53 BAX 189.4108+26.5397 ClG 12 37 38.6 +26 32 23           ~ 7 0
54 BAX 193.6596+25.7536 ClG 12 54 38.3 +25 45 13           ~ 13 0
55 BAX 193.7233+25.8486 ClG 12 54 53.6 +25 50 55           ~ 9 0
56 2XMM J125602.2+255636 GrG 12 56 04.9 +25 56 52           ~ 30 0
57 BAX 195.4317+10.9925 ClG 13 01 43.4 +10 59 35           ~ 9 0
58 ClG J1309+3222 ClG 13 09 56.2 +32 22 14           ~ 21 0
59 MCXC J1337.8+3854 ClG 13 37 53.3 +38 54 09           ~ 10 0
60 BAX 205.7046+40.4697 ClG 13 42 49.1 +40 28 11           ~ 21 0
61 ClG J1343+5546 ClG 13 43 26.900 +55 46 48.30           ~ 15 0
62 Z 162-10 LIN 13 48 52.4892734448 +26 35 34.353002688   14.0       ~ 237 2
63 [VMF98] 152 ClG 13 54 49.1 +69 17 20           ~ 7 0
64 [VMF98] 164 ClG 14 38 50.6 +64 23 39           ~ 8 0
65 [VMF98] 166 ClG 15 00 02.6 +22 34 05           ~ 8 0
66 BAX 228.8854+43.7775 ClG 15 15 31.9 +43 46 18           ~ 12 0
67 BAX 228.9033+43.8472 ClG 15 15 36.8 +43 50 50           ~ 9 0
68 UGC 9799 Sy2 15 16 44.4893939136 +07 01 17.825410740   15.19 14.17     ~ 446 3
69 ClG J1524+0957 ClG 15 24 40.3 +09 57 35           ~ 60 0
70 [VMF98] 171 ClG 15 37 44.6 +12 00 21           ~ 13 0
71 BAX 235.2221+14.7594 ClG 15 40 53.3 +14 45 34           ~ 16 0
72 RX J1547.3+2056 ClG 15 47 20.4 +20 57 01           ~ 8 0
73 BAX 238.0513+20.2292 ClG 15 52 12.3 +20 13 42           ~ 44 0
74 ZwCl 1628+2438 ClG 16 30 28.24 +24 35 44.1           ~ 24 0
75 BAX 250.6621+39.5981 ClG 16 42 38.9 +39 35 53           ~ 15 0
76 BAX 254.9358+34.1714 ClG 16 59 44.6 +34 10 17           ~ 10 0
77 RX J1722.8+4105 ClG 17 22 53.9 +41 05 30           ~ 10 0
78 BAX 262.2579+74.6794 ClG 17 29 00.6 +74 40 40           ~ 11 0
79 ClG J1746+6848 ClG 17 46 27.4 +68 48 57           ~ 7 0
80 BAX 330.6871-19.0361 ClG 22 02 44.9 -19 02 10           ~ 14 0
81 BAX 333.1592-17.2319 ClG 22 12 38.2 -17 13 55           ~ 7 0
82 BAX 333.3792-16.9364 ClG 22 13 30.4 -16 56 05           ~ 8 0
83 BAX 344.4558+20.9403 ClG 22 57 49.4 +20 56 25           ~ 10 0
84 ClG J2328+1453 ClG 23 28 52.3 +14 52 43           ~ 23 0
85 ACO 4043 ClG 23 48 54.84 -31 17 32.8           ~ 13 1

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