2004ApJ...610..745L


Query : 2004ApJ...610..745L

2004ApJ...610..745L - Astrophys. J., 610, 745-761 (2004/August-1)

K-band properties of galaxy clusters and groups: luminosity function, radial distribution, and halo occupation number.

LIN Y.-T., MOHR J.J. and STANFORD S.A.

Abstract (from CDS):

We explore the near-infrared (NIR) K-band properties of galaxies within 93 galaxy clusters and groups using data from the Two Micron All Sky Survey. We use X-ray properties of these clusters to pinpoint cluster centers and estimate cluster masses. By stacking all these systems, we study the shape of the cluster luminosity function and the galaxy distribution within the clusters. We find that the galaxy profile is well described by the Navarro, Frenk, & White (NFW) profile with a concentration parameter c∼3, with no evidence for cluster mass dependence of the concentration. Using this sample, whose masses span the range from 3x1013 to 2x1015M, we confirm the existence of a tight correlation between total galaxy NIR luminosity and cluster binding mass, which indicates that NIR light can serve as a cluster mass indicator. From the observed galaxy profile, together with cluster mass profile measurements from the literature, we find that the mass-to-light ratio is a weakly decreasing function of cluster radius and that it increases with cluster mass. We also derive the mean number of galaxies within halos of a given mass, the halo occupation number. We find that the mean number scales as N∝M0.84±0.04 for galaxies brighter than MK=-21, indicating that high-mass clusters have fewer galaxies per unit mass than low-mass clusters. Using published observations at high redshift, we show that higher redshift clusters have higher mean occupation numbers than nearby systems of the same mass. By comparing the luminosity function and radial distribution of galaxies in low-mass and high-mass clusters, we show that there is a marked decrease in the number density of galaxies fainter than M*as one moves to higher mass clusters; in addition, extremely luminous galaxies are more probable in high-mass clusters. We explore several processes, including tidal interactions and merging, as a way of explaining the variation in galaxy population with cluster mass.

Abstract Copyright:

Journal keyword(s): Cosmology: Observations - Galaxies: Clusters: General - Galaxies: Formation - Galaxies: Luminosity Function, Mass Function - Infrared: Galaxies

CDS comments: Table 2 : ZwCl 1615 = ZwCl 1615+3508

Simbad objects: 100

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Number of rows : 100
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 ACO 2734 ClG 00 11 21.60 -28 51 16.6           ~ 134 0
2 ACO 76 ClG 00 40 16.1031 +06 52 46.226           ~ 129 2
3 ACO 85 ClG 00 41 37.8 -09 20 33           ~ 844 0
4 ACO 119 ClG 00 56 16.8 -01 15 00           ~ 537 2
5 ACO 133 ClG 01 02 39.0 -21 57 15           ~ 351 1
6 NAME NGC 383 Group GrG 01 07 27.7 +32 23 59   11.1 14.1     ~ 78 0
7 ACO 168 ClG 01 15 09.8 +00 14 51           ~ 345 2
8 NGC 507 BiC 01 23 39.950 +33 15 22.22   13.0       ~ 416 3
9 ZwCl 0120+3300 ClG 01 23 41.0 +33 15 40           ~ 74 0
10 NAME NGC 507 Group GrG 01 23.7 +33 15           ~ 77 0
11 ACO 193 ClG 01 25 07.3 +08 41 36           ~ 179 0
12 ACO 194 ClG 01 26 01.3 -01 22 02           ~ 343 2
13 ACO 262 ClG 01 52 50.4 +36 08 46           ~ 677 1
14 ACO 376 ClG 02 45 48 +36 51.6           B8.5 147 1
15 2MAXI J0254+416 ClG 02 54 32.2 +41 35 10           ~ 304 1
16 ACO 400 ClG 02 57 37.4 +06 00 45           ~ 394 3
17 ACO 3112 ClG 03 17 52.4 -44 14 35           ~ 298 1
18 ACO 426 ClG 03 19 47.2 +41 30 47           ~ 2118 1
19 ZwCl 0335+0956 ClG 03 38 35.3 +09 57 54           ~ 359 1
20 ACO 3158 ClG 03 42 39.6 -53 37 50           ~ 284 0
21 ACO 478 ClG 04 13 20.7 +10 28 35           ~ 482 0
22 ClG 0422-09 ClG 04 25 51.02 -08 33 38.5           ~ 90 0
23 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 388 0
24 ACO 496 ClG 04 33 30.3838 -13 14 21.584           ~ 671 2
25 ACO 539 ClG 05 16 35.1 +06 27 14           ~ 246 2
26 ACO 548 ClG 05 47 01.7 -25 36 59           B8 200 2
27 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 286 0
28 ACO 3389 ClG 06 21 47.4 -64 57 35           ~ 60 3
29 ACO 3391 ClG 06 26 15.4 -53 40 52           ~ 186 1
30 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 193 0
31 ACO 576 ClG 07 21 24.1 +55 44 20           ~ 288 1
32 ACO 644 ClG 08 17 24.5 -07 30 46           ~ 210 0
33 NAME NGC 2563 Group GrG 08 20 24.4 +21 05 46           ~ 39 0
34 NGC 2563 GiG 08 20 35.6870161656 +21 04 04.111020012   13.7 12.39     ~ 147 1
35 ACO 754 ClG 09 08 50.1 -09 38 12           ~ 647 1
36 ACO 780 ClG 09 18 30 -12 15.7           ~ 445 0
37 ACO 779 ClG 09 19 48.0 +33 45 32           ~ 247 0
38 ACO S 636 ClG 10 29 41.0957 -35 19 32.908           ~ 212 0
39 NAME Hydra I Cluster ClG 10 36 36.0 -27 31 04           ~ 808 1
40 ACO 1142 ClG 11 00 50.9 +10 33 17           ~ 151 1
41 ACO 1185 ClG 11 10 31.4 +28 43 39           ~ 249 1
42 ACO 1314 ClG 11 34 48.7 +49 02 25           ~ 207 1
43 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1041 1
44 NAME NGC 4073 Group GrG 12 04 21.7 +01 50 19     13.53     ~ 255 0
45 NAME NGC 4104 Group GrG 12 06 48 +28 09.9           ~ 42 0
46 ACO 3526 ClG 12 48 51.8 -41 18 21           ~ 1022 2
47 HCG 62 CGG 12 53 05.6 -09 12 21           ~ 299 0
48 ACO 1644 ClG 12 57 11.6 -17 24 34           ~ 346 1
49 ACO 1650 ClG 12 58 36.76 -01 43 34.2           ~ 280 0
50 ACO 1651 ClG 12 59 22.43 -04 11 47.1           ~ 278 0
51 ACO 1656 ClG 12 59 48.7 +27 58 50           ~ 4549 2
52 HMS 1313-1612 ClG 13 16 -16.5           ~ 13 0
53 ACO 1736 ClG 13 26 52.1 -27 06 33           ~ 240 2
54 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 422 2
55 ACO 3560 ClG 13 32 23.7 -33 08 21           ~ 126 1
56 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 296 1
57 NAME IC 4296 Group GrG 13 33 34 -33 37.3           ~ 19 0
58 ACO 1767 ClG 13 36 08.33 +59 12 23.0           ~ 162 0
59 ACO 3565 ClG 13 36 39 -33 58.3           ~ 107 1
60 IC 4296 AGN 13 36 39.03275288 -33 57 57.0783023   11.52 12.99 10.00   ~ 468 2
61 ACO 1795 ClG 13 49 00.5 +26 35 07           ~ 1205 0
62 ACO 3581 ClG 14 07 29.8 -27 01 04           ~ 175 3
63 NAME NGC 5718 Group ClG 14 40 38.5 +03 28 20     14.31     ~ 109 0
64 ACO 1991 ClG 14 54 30.2 +18 37 51           ~ 315 1
65 ACO 2029 ClG 15 10 58.7 +05 45 42           ~ 896 0
66 ACO 2052 ClG 15 16 45.5 +07 00 01           ~ 703 1
67 NAME NGC 5920 Group ClG 15 21 50.7 +07 42 18     15.13     ~ 296 0
68 ACO 2065 ClG 15 22 42.6 +27 43 21           ~ 352 0
69 ACO 2063 ClG 15 23 01.8 +08 38 22           ~ 380 2
70 BAX 233.1222+04.6817 ClG 15 32 29.3 +04 40 54     15.13     ~ 58 0
71 ACO 2107 ClG 15 39 47.9 +21 46 21           ~ 240 0
72 ACO 2142 ClG 15 58 20.00 +27 14 00.3           ~ 718 0
73 ACO 2147 ClG 16 02 17.2 +15 53 43           ~ 390 0
74 BAX 241.2375+23.9206 ClG 16 04 57.0 +23 55 14     14.38     ~ 126 0
75 ACO 2151 ClG 16 05 15.0 +17 44 55           ~ 570 3
76 ZwCl 1615+3508 ClG 16 17.6 +35 01           ~ 7 0
77 ACO 2199 ClG 16 28 37.0 +39 31 28           ~ 1132 1
78 NAME Triangulum Australis Cluster ClG 16 38 16.1 -64 20 50           ~ 109 0
79 ACO 2256 ClG 17 03 43.5 +78 43 03           ~ 859 1
80 ACO 2255 ClG 17 12 50.04 +64 03 10.6           ~ 535 0
81 NAME NGC 6329 Group GrG 17 14 15 +43 41.1           ~ 9 0
82 NGC 6329 GiG 17 14 15.0278110392 +43 41 04.900781508   14.3       ~ 37 1
83 NAME NGC 6338 Group GrG 17 15 20.42 +57 21 52.5           ~ 75 0
84 NGC 6338 Bla 17 15 22.9842192336 +57 24 40.346559936   14.2   8   ~ 168 2
85 ACO S 805 ClG 18 47 14.4 -63 19 45           ~ 129 3
86 ACO 2319 ClG 19 20 45.3 +43 57 43           ~ 436 1
87 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 595 1
88 ACO 3822 ClG 21 54 06.2 -57 50 49           ~ 83 0
89 ACO 2420 ClG 22 10 22.5 -12 11 13           ~ 106 0
90 ACO 2440 ClG 22 23 52.6 -01 35 47           ~ 117 1
91 ACO S 1101 ClG 23 13 58.5 -42 43 39           ~ 243 1
92 HCG 94 CGG 23 17 16.5 +18 43 11           ~ 78 0
93 ACO 2589 ClG 23 24 00.5 +16 49 29           ~ 305 1
94 ACO 2593 ClG 23 24 31.0 +14 38 29           ~ 204 0
95 ACO 2626 ClG 23 36 31.0 +21 09 36           ~ 228 0
96 ACO 2634 ClG 23 38 18.4 +27 01 37           ~ 491 2
97 ACO 2657 ClG 23 44 51.0 +09 08 40           ~ 264 3
98 ACO 4038 ClG 23 47 31.1 -28 12 10           ~ 328 3
99 ACO 2670 ClG 23 54 13.64 -10 25 08.7           ~ 343 0
100 ACO 4059 ClG 23 56 40.7 -34 40 18           ~ 369 1

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2022.09.28-02:20:36

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