1998AJ....116.2644O


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.18CEST23:56:58

1998AJ....116.2644O - Astron. J., 116, 2644-2658 (1998/December-0)

The Hubble space telescope medium deep survey cluster sample: methodology and data.

OSTRANDER E.J., NICHOL R.C., RATNATUNGA K.U. and GRIFFITHS R.E.

Abstract (from CDS):

We present a new, objectively selected, sample of galaxy overdensities detected in the Hubble Space Telescope Medium Deep Survey (MDS). These clusters/groups were found using an automated procedure that involved searching for statistically significant galaxy overdensities. The contrast of the clusters against the field galaxy population is increased when morphological data are used to search around bulge-dominated galaxies. In total, we present 92 overdensities above a probability threshold of 99.5%. We show, via extensive Monte Carlo simulations, that at least 60% of these overdensities are likely to be real clusters and groups and not random line-of-sight superpositions of galaxies. For each overdensity in the MDS cluster sample, we provide a richness and the average of the bulge-to-total ratio of galaxies within each system. This MDS cluster sample potentially contains some of the most distant clusters/groups ever detected, with about 25% of the overdensities having estimated redshifts z > ∼0.9. We have made this sample publicly available to facilitate spectroscopic confirmation of these clusters and help more detailed studies of cluster and galaxy evolution. We also report the serendipitous discovery of a new cluster close on the sky to the rich optical cluster Cl l0016+16 at z = 0.546. This new overdensity, HST 001831+16208, may be coincident with both an X-ray source and a radio source. HST 001831+16208 is the third cluster/group discovered near to Cl 0016+16 and appears to strengthen the claims of Connolly et al. of superclustering at high redshift.

Abstract Copyright:

Journal keyword(s): Catalogs - Cosmology: Observations - Galaxies: Clusters: General - Galaxies: Clusters: Individual: Alphanumeric: Cl 0016+16 - Galaxies: Clusters: Individual: Alphanumeric: RX J0018.3+1618 - Galaxies: Clusters: Individual: Alphanumeric: RX J0018.8+1602 - Galaxies: Evolution

Nomenclature: Table 4: [ONR98] JHHMMSS+DDMMm N=92.

Simbad objects: 158

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Number of rows : 158

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 [ONR98] J001548-16200 ClG 00 15 48 -16 20.0           ~ 1 0
2 [ONR98] J001557-16184 ClG 00 15 57 -16 18.1           ~ 1 0
3 2E 0015.6+1601 ClG 00 18 17.0 +16 17 40       19.85   ~ 25 0
4 [ONR98] J001831+16207 ClG 00 18 31 +16 20.1           ~ 2 0
5 [VV2006] J001831.2+162044 QSO 00 18 31.2 +16 20 44     17.68   21.84 ~ 15 3
6 QSO B0015+162 QSO 00 18 32.008 +16 29 25.81   19 18.26 18.40   ~ 38 0
7 ClG 0016+16 ClG 00 18 33.3 +16 26 36           ~ 480 0
8 2XMMi J001848.0+160216 ClG 00 18 45.5 +16 01 41           ~ 13 0
9 [ONR98] J002013+28368 ClG 00 20 13 +28 36.1           ~ 1 0
10 LP 881-64 ** 00 24 44.220360 -27 08 25.04904   17.18 15.338 13.502 11.403 M5.5/6Ve+M8.5Ve+M9/9.5V 124 0
11 [ONR98] J002458-27167 ClG 00 24 58 -27 16.1           ~ 1 0
12 ZwCl 0024+1652 ClG 00 26 36.0 +17 08 36     18.35     ~ 610 1
13 [ONR98] J004838+85109 ClG 00 48 38 +85 10.2           ~ 1 0
14 [ONR98] J004933-52046 ClG 00 49 33 -52 04.1           ~ 1 0
15 WG 2 WD* 00 50 03.6494717240 -52 08 15.515729263 13.354 14.157 14.206 14.31 14.428 DA2.7 77 0
16 [ONR98] J005017-52122 ClG 00 50 17 -52 12.0           ~ 1 0
17 [ONR98] J005020-52113 ClG 00 50 20 -52 11.1           ~ 1 0
18 ClG 0055-2754 ClG 00 56 56.8 -27 40 29   21.9       ~ 83 0
19 [ONR98] J005807-28106 ClG 00 58 07 -28 10.1           ~ 1 0
20 [ONR98] J010957-02276 ClG 01 09 57 -02 27.1           ~ 1 0
21 QSO J0110-0218 QSO 01 10 16.2699632294 -02 18 50.763174832   17.4 17.3     ~ 57 1
22 [ONR98] J011704-08386 ClG 01 17 04 -08 38.1           ~ 1 0
23 QSO B0114-0857 QSO 01 17 23.3717382582 -08 41 32.342636462   17.4 17.7     ~ 61 0
24 [ONR98] J012006+21273 ClG 01 20 06 +21 27.0           ~ 1 0
25 [ONR98] J013835+33043 ClG 01 38 35 +33 04.1           ~ 1 0
26 QSO J0209-3939 QSO 02 09 28.6090162627 -39 39 38.953725898   17.35 17.15     ~ 65 0
27 [ONR98] J020959-39354 ClG 02 09 59 -39 35.1           ~ 1 0
28 [ONR98] J021002-39356 ClG 02 10 02 -39 35.1           ~ 1 0
29 [ONR98] J021005-39350 ClG 02 10 05 -39 35.0           ~ 1 0
30 [ONR98] J022548+27547 ClG 02 25 48 +27 54.1           ~ 1 0
31 ACO 370 ClG 02 39 50.5 -01 35 08           ~ 654 0
32 2E 714 SCG 03 05 19.0 +17 28 38     21.00     ~ 55 0
33 ClG 0303+1658 ClG 03 05 31.6 +17 10 02     20.13     ~ 90 0
34 ACO S 373 ClG 03 38 30 -35 27.3           ~ 1616 0
35 HZ 4 WD* 03 55 21.9881493731 +09 47 18.134000893 13.917 14.592 14.506 14.58 14.642 DA3.4 180 0
36 [ONR98] J035528+09435 ClG 03 55 28 +09 43.1           ~ 1 0
37 [ONR98] J035531+09441 ClG 03 55 31 +09 44.0           ~ 1 0
38 [ONR98] J035535+09433 ClG 03 55 35 +09 43.0           ~ 1 0
39 ClG 0412-65 ClG 04 12 51.7 -65 50 17           ~ 45 0
40 QSO B0454+0356 QSO 04 56 47.1747689004 +04 00 52.945030656   16.76 16.53 16.26   ~ 234 1
41 [ONR98] J045648+03529 ClG 04 56 48 +03 52.2           ~ 1 0
42 [ONR98] J051909-45493 ClG 05 19 09 -45 49.1           ~ 1 0
43 [ONR98] J051910-45510 ClG 05 19 10 -45 51.0           ~ 1 0
44 NAME Pic A Sy1 05 19 49.7230919028 -45 46 43.855209977   15.73 15.77 14.85   ~ 578 1
45 [ONR98] J072049+71089 ClG 07 20 49 +71 08.1           ~ 2 0
46 [ONR98] J072442+60316 ClG 07 24 42 +60 31.1           ~ 1 0
47 [ONR98] J072455+60313 ClG 07 24 55 +60 31.0           ~ 1 0
48 Mrk 79 Sy1 07 42 32.8212778143 +49 48 34.787882233   14.74 14.27     ~ 656 1
49 [ONR98] J074239+49428 ClG 07 42 39 +49 42.1           ~ 1 0
50 [ONR98] J075047+14412 ClG 07 50 47 +14 41.0           ~ 1 0
51 ACO 665 ClG 08 30 45.2 +65 52 55           ~ 410 0
52 NAME 3C 215 Cluster ClG 09 06 31.8 +16 46 12           ~ 2 0
53 LB 9308 Sy1 09 06 31.8733814507 +16 46 11.791988809   18.48 18.27     ~ 286 3
54 ACO 851 ClG 09 42 56.6 +46 59 22           ~ 311 0
55 [ONR98] J095007+39248 ClG 09 50 07 +39 24.1           ~ 1 0
56 [ONR98] J095012+39244 ClG 09 50 12 +39 24.1           ~ 1 0
57 2MASX J09504838+3926503 Sy1 09 50 48.3802745374 +39 26 50.463708894   16.83 16.73     ~ 173 0
58 2MASS J10042013+0513004 Sy1 10 04 20.1377652635 +05 13 00.396937782   16.73 16.55     ~ 219 1
59 [ONR98] J100456+05151 ClG 10 04 56 +05 15.0           ~ 1 0
60 [ONR98] J102722+03257 ClG 10 27 22 +03 25.1           ~ 1 0
61 5C 2.10 QSO 10 52 35.3471436577 +48 40 06.043837866   18.43 18.36     ~ 34 1
62 NAME 5C 2.10 Cluster ClG 10 52 36.1 +48 40 01           ~ 5 0
63 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 451 0
64 2MASSI J1117064+441333 Sy1 11 17 06.3986665282 +44 13 33.327898429   16.32 16.12     ~ 218 0
65 [ONR98] J111744+44177 ClG 11 17 44 +44 17.1           ~ 1 0
66 [ONR98] J112125-24558 ClG 11 21 25 -24 55.1           ~ 1 0
67 HD 98800 TT* 11 22 05.28975 -24 46 39.7571   10.20 9.28 9.26 7.386 K5V(e) 339 0
68 ClG 1137+66 ClG 11 40 23.3 +66 09 01     21.0     ~ 135 0
69 V* EU UMa CV* 11 49 55.7011764219 +28 45 07.291989143           DB+K 69 0
70 [ONR98] J115027+28496 ClG 11 50 27 +28 49.1           ~ 1 0
71 NGC 4151 Sy1 12 10 32.5771747733 +39 24 21.057727323   12.18 11.48     ~ 3460 2
72 [ONR98] J121111+39273 ClG 12 11 11 +39 27.0           ~ 1 0
73 [ONR98] J121754+50123 ClG 12 17 54 +50 12.0           ~ 1 0
74 QSO B1216+5032A QSO 12 18 41.0133977187 +50 15 35.870275829   17.34 17.09     ~ 45 0
75 SN 1979C SN* 12 22 58.58 +15 47 52.7   11.6       SNIIL 556 1
76 [ONR98] J122332+15518 ClG 12 23 32 +15 51.1           ~ 1 0
77 [ONR98] J122355+15495 ClG 12 23 55 +15 49.1           ~ 1 0
78 [ONR98] J123155+14163 ClG 12 31 55 +14 16.0           ~ 1 0
79 [ONR98] J123639-00417 ClG 12 36 39 -00 41.1           ~ 1 0
80 [ONR98] J123640+62111 ClG 12 36 40 +62 11.0           ~ 1 0
81 [ONR98] J123649+62132 ClG 12 36 49 +62 13.0           ~ 1 0
82 NAME Hubble Deep Field reg 12 36 49.5 +62 12 58           ~ 1853 1
83 [ONR98] J125015+31254 ClG 12 50 15 +31 25.1           ~ 1 0
84 LB 11377 QSO 12 50 50.3195132203 +31 25 53.692517066   18.30 18.05     ~ 32 0
85 [ONR98] J125651+22062 ClG 12 56 51 +22 06.0           ~ 1 0
86 [ONR98] J125655+22057 ClG 12 56 55 +22 05.1           ~ 1 0
87 GD 153 WD* 12 57 02.3224875106 +22 01 52.634392478 11.883 13.060 13.349 13.488 13.669 DA1.2 326 0
88 3C 281 Sy1 13 07 53.9294798389 +06 42 13.881183584   17.15 17.02     ~ 132 2
89 NAME 3C 281 Cluster ClG 13 07 54.0 +06 42 15           ~ 2 0
90 ACO 1689 ClG 13 11 29.5 -01 20 28           ~ 1047 0
91 ClG J1324+3059 ClG 13 24 48 +30 59.0           ~ 12 0
92 ClG 1322+3027 ClG 13 24 48.2 +30 11 34           ~ 66 0
93 [ONR98] J133605+51494 ClG 13 36 05 +51 49.1           ~ 1 0
94 [ONR98] J133617-00526 ClG 13 36 17 -00 52.1           ~ 1 0
95 V* UX UMa CV* 13 36 40.9533414077 +51 54 49.424110262   12.78 13.26     sdOB 504 0
96 ZwCl 1358+6245 ClG 13 59 54.3 +62 30 36     18.5     ~ 350 0
97 [ONR98] J140428+43196 ClG 14 04 28 +43 19.1           ~ 1 0
98 [ONR98] J141506+52015 ClG 14 15 06 +52 01.1           ~ 1 0
99 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 608 0
100 [ONR98] J141610+52123 ClG 14 16 10 +52 12.0           ~ 1 0
101 [ONR98] J141612+52133 ClG 14 16 12 +52 13.1           ~ 1 0
102 [ONR98] J141613+11316 ClG 14 16 13 +11 31.1           ~ 1 0
103 [ONR98] J141618+52138 ClG 14 16 18 +52 13.1           ~ 1 0
104 [ONR98] J141624+52155 ClG 14 16 24 +52 15.1           ~ 1 0
105 [ONR98] J141637+52163 ClG 14 16 37 +52 16.0           ~ 1 0
106 [ONR98] J141638+52165 ClG 14 16 38 +52 16.1           ~ 1 0
107 [ONR98] J141653+52210 ClG 14 16 52.40 +52 20 53.6           ~ 2 0
108 [ONR98] J141654+52189 ClG 14 16 54 +52 18.2           ~ 1 0
109 [ONR98] J141727+52267 ClG 14 17 27 +52 26.1           ~ 1 0
110 [HCS2000] NIC J141727.28+522637.4 EmG 14 17 27.473 +52 26 38.77           ~ 8 0
111 EGSIRAC J141727.55+522645.7 EmG 14 17 27.58397 +52 26 45.4063   23.30 22.70 22.74 21.92 ~ 19 0
112 Ross 50 PM* 14 34 51.1108673462 +25 10 03.233569951   13.38   12.1   ~ 45 0
113 [ONR98] J143518+24589 ClG 14 35 18 +24 58.2           ~ 1 0
114 [ONR98] J144152-17175 ClG 14 41 52 -17 17.1           ~ 1 0
115 [ONR98] J150620+01448 ClG 15 06 20 +01 44.1           ~ 1 0
116 [ONR98] J150621+01431 ClG 15 06 21 +01 43.0           ~ 1 0
117 [ONR98] J151940+23524 ClG 15 19 40 +23 52.1           ~ 1 0
118 ClG 1603+4313 ClG 16 04 23.7 +43 04 52           ~ 130 1
119 [ONR98] J162413+48078 ClG 16 24 13 +48 07.1           ~ 1 0
120 [ONR98] J162413+48077 ClG 16 24 13 +48 07.1           ~ 1 0
121 [ONR98] J163141+37375 ClG 16 31 41 +37 37.1           ~ 1 0
122 QSO B1630+3744 QSO 16 32 01.1118986024 +37 37 49.980862599   16.50 16.30     ~ 165 0
123 [ONR98] J171220+33354 ClG 17 12 20 +33 35.1           ~ 1 0
124 [ONR98] J171223+33371 ClG 17 12 23 +33 37.0           ~ 1 0
125 V* V795 Her No* 17 12 56.1686428004 +33 31 19.239210099   12.53 12.64 12.69   ~ 167 0
126 BD+68 946 PM* 17 36 25.8991699744 +68 20 20.904135942 11.73 10.65   8.3   M3.0V 259 0
127 [ONR98] J173638+68251 ClG 17 36 38 +68 25.0           ~ 1 0
128 [ONR98] J175525+18182 ClG 17 55 25 +18 18.0           ~ 1 0
129 NGC 6500 LIN 17 55 59.78195 +18 20 17.6713   13.43 12.54     ~ 211 0
130 V* DQ Her No* 18 07 30.2510755201 +45 51 32.564649735   14.605 14.443 14.800   M3+Ve 972 1
131 [ONR98] J180746+45599 ClG 18 07 46 +45 59.1           ~ 1 0
132 [ONR98] J193810-46205 ClG 19 38 10 -46 20.1           ~ 1 0
133 V* QS Tel CV* 19 38 35.8145594081 -46 12 57.107614734           ~ 110 0
134 [ONR98] J193928-46139 ClG 19 39 28 -46 13.2           ~ 1 0
135 CD-42 14462 CV* 19 47 40.5289527355 -42 00 26.397656394 9.65 10.40 10.33     sdB 217 0
136 [ONR98] J194752-41520 ClG 19 47 52 -41 52.0           ~ 1 0
137 [ONR98] J194754-41530 ClG 19 47 54 -41 53.0           ~ 1 0
138 [ONR98] J200803-48542 ClG 20 08 03 -48 54.0           ~ 1 0
139 [ONR98] J200811-48546 ClG 20 08 11 -48 54.1           ~ 1 0
140 [ONR98] J202946+09541 ClG 20 29 46 +09 54.0           ~ 1 0
141 LAWD 87 WD* 21 32 16.2327559970 +00 15 14.398335415 13.717 14.634 14.674 14.675 14.676 DB4 170 1
142 [ONR98] J213233+00161 ClG 21 32 33 +00 16.0           ~ 1 0
143 ClG 2137-2353 ClG 21 40 12.8 -23 39 27     18.5     ~ 356 0
144 NGC 7130 AGN 21 48 19.490 -34 57 04.73   12.86 13.87 11.57   ~ 399 0
145 [ONR98] J214823-34530 ClG 21 48 23 -34 53.0           ~ 1 0
146 [ONR98] J215031+28488 ClG 21 50 31 +28 48.1           ~ 1 0
147 BD+28 4211 HS* 21 51 11.0220905905 +28 51 50.366090892 8.922 10.25 10.58 10.656 10.831 sdO2VIIIHe5 751 0
148 [ONR98] J215112+29002 ClG 21 51 12 +29 00.0           ~ 1 0
149 [ONR98] J215115+28599 ClG 21 51 15 +28 59.1           ~ 1 0
150 [ONR98] J215118+28587 ClG 21 51 18 +28 58.1           ~ 1 0
151 [ONR98] J215125+29001 ClG 21 51 25 +29 00.0           ~ 1 0
152 [ONR98] J215128+28581 ClG 21 51 28 +28 58.0           ~ 1 0
153 [ONR98] J215137+28590 ClG 21 51 37 +28 59.0           ~ 1 0
154 ACO 2390 ClG 21 53 34.6 +17 40 11           ~ 639 2
155 ClG 2244.6-0222 ClG 22 47 12.2 -02 05 37           ~ 124 0
156 [ONR98] J225657-36342 ClG 22 56 57 -36 34.0           ~ 1 0
157 [ONR98] J230425+03051 ClG 23 04 25 +03 05.0           ~ 1 0
158 PB 5235 QSO 23 04 44.9533458555 +03 11 45.918742912   15.44 15.8     ~ 102 0

    Equat.    Gal    SGal    Ecl

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