2022A&A...657A..56K


Query : 2022A&A...657A..56K

2022A&A...657A..56K - Astronomy and Astrophysics, volume 657A, 56-56 (2022/1-1)

The MeerKAT Galaxy Cluster Legacy Survey. I. Survey Overview and Highlights.

KNOWLES K., COTTON W.D., RUDNICK L., CAMILO F., GOEDHART S., DEANE R., RAMATSOKU M., BIETENHOLZ M.F., BRUGGEN M., BUTTON C., CHEN H., CHIBUEZE J.O., CLARKE T.E., DE GASPERIN F., IANJAMASIMANANA R., JOZSA G.I.G., HILTON M., KESEBONYE K.C., KOLOKYTHAS K., KRAAN-KORTEWEG R.C., LAWRIE G., LOCHNER M., LOUBSER S.I., MARCHEGIANI P., MHLAHLO N., MOODLEY K., MURPHY E., NAMUMBA B., OOZEER N., PAREKH V., PILLAY D.S., PASSMOOR S.S., RAMAILA A.J.T., RANCHOD S., RETANA-MONTENEGRO E., SEBOKOLODI L., SIKHOSANA S.P., SMIRNOV O., THORAT K., VENTURI T., ABBOTT T.D., ADAM R.M., ADAMS G., ALDERA M.A., BAUERMEISTER E.F., BENNETT T.G.H., BODE W.A., BOTHA D.H., BOTHA A.G., BREDERODE L.R.S., BUCHNER S., BURGER J.P., CHEETHAM T., DE VILLIERS D.I.L., DIKGALE-MAHLAKOANA M.A., DU TOIT L.J., ESTERHUYSE S.W.P., FADANA G., FANAROFF B.L., FATAAR S., FOLEY A.R., FOURIE D.J., FRANK B.S., GAMATHAM R.R.G., GATSI T.G., GEYER M., GOUWS M., GUMEDE S.C., HEYWOOD I., HLAKOLA M.J., HOKWANA A., HOOSEN S.W., HORN D.M., HORRELL J.M.G., HUGO B.V., ISAACSON A.R., JONAS J.L., JORDAAN J.D.B., JOUBERT A.F., JULIE R.P.M., KAPP F.B., KASPER V.A., KENYON J.S., KOTZE P.P.A., KOTZE A.G., KRIEK N., KRIEL H., KRISHNAN V.K., KUSEL T.W., LEGODI L.S., LEHMENSIEK R., LIEBENBERG D., LORD R.T., LUNSKY B.M., MADISA K., MAGNUS L.G., MAIN J.P.L., MAKHABA A., MAKHATHINI S., MALAN J.A., MANLEY J.R., MARAIS S.J., MAREE M.D.J., MARTENS A., MAUCH T., McALPINE K., MERRY B.C., MILLENAAR R.P., MOKONE O.J., MONAMA T.E., MPHEGO M.C., NEW W.S., NGCEBETSHA B., NGOASHENG K.J., OCKARDS M.T., OTTO A.J., PATEL A.A., PEENS-HOUGH A., PERKINS S.J., RAMANUJAM N.M., RAMUDZULI Z.R., RATCLIFFE S.M., RENIL R., ROBYNTJIES A., RUST A.N., SALIE S., SAMBU N., SCHOLLAR C.T.G., SCHWARDT L.C., SCHWARTZ R.L., SERYLAK M., SIEBRITS R., SIROTHIA S.K., SLABBER M., SOFEYA L., TALJAARD B., TASSE C., TIPLADY A.J., TORUVANDA O., TWUM S.N., VAN BALLA T.J., VAN DER BYL A., VAN DER MERWE C., VAN DYK C.L., VAN TONDER V., VAN WYK R., VENTER A.J., VENTER M., WELZ M.G., WILLIAMS L.P. and XAIA B.

Abstract (from CDS):

MeerKAT's large number (64) of 13.5 m diameter antennas, spanning 8 km with a densely packed 1 km core, create a powerful instrument for wide-area surveys, with high sensitivity over a wide range of angular scales. The MeerKAT Galaxy Cluster Legacy Survey (MGCLS) is a programme of long-track MeerKAT L-band (900-1670 MHz) observations of 115 galaxy clusters, observed for ∼6-10 h each in full polarisation. The first legacy product data release (DR1), made available with this paper, includes the MeerKAT visibilities, basic image cubes at ∼8'' resolution, and enhanced spectral and polarisation image cubes at ∼8'' and 15'' resolutions. Typical sensitivities for the full-resolution MGCLS image products range from ∼3-5 µJy/beam. The basic cubes are full-field and span 2° x 2°. The enhanced products consist of the inner 1.2° x 1.2° field of view, corrected for the primary beam. The survey is fully sensitive to structures up to ∼10' scales, and the wide bandwidth allows spectral and Faraday rotation mapping. Relatively narrow frequency channels (209 kHz) are also used to provide HI mapping in windows of 0 < z < 0.09 and 0.19 < z < 0.48.In this paper, we provide an overview of the survey and the DR1 products, including caveats for usage. We present some initial results from the survey, both for their intrinsic scientific value and to highlight the capabilities for further exploration with these data. These include a primary-beam-corrected compact source catalogue of ∼626 000 sources for the full survey and an optical and infrared cross-matched catalogue for compact sources in the primary-beam-corrected areas of Abell 209 and Abell S295. We examine dust unbiased star-formation rates as a function of cluster-centric radius in Abell 209, extending out to 3.5 R200. We find no dependence of the star-formation rate on distance from the cluster centre, and we observe a small excess of the radio-to-100 µm flux ratio towards the centre of Abell 209 that may reflect a ram pressure enhancement in the denser environment. We detect diffuse cluster radio emission in 62 of the surveyed systems and present a catalogue of the 99 diffuse cluster emission structures, of which 56 are new. These include mini-halos, halos, relics, and other diffuse structures for which no suitable characterisation currently exists. We highlight some of the radio galaxies that challenge current paradigms, such as trident-shaped structures, jets that remain well collimated far beyond their bending radius, and filamentary features linked to radio galaxies that likely illuminate magnetic flux tubes in the intracluster medium. We also present early results from the HI analysis of four clusters, which show a wide variety of HI mass distributions that reflect both sensitivity and intrinsic cluster effects, and the serendipitous discovery of a group in the foreground of Abell 3365.

Abstract Copyright: © ESO 2022

Journal keyword(s): surveys - galaxies: clusters: general - radio continuum: general - catalogs - radio lines: general - galaxies: general

Nomenclature: MKTCS JHHMMSS.ss+DDMMSS.s N∼626000.

Status at CDS : Acronym for new objects described in the dictionary of nomenclature and being created in SIMBAD. // Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 190

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Number of rows : 190
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 ACO 13 ClG 00 13 38.5 -19 30 19           ~ 99 1
2 ACO 2746 ClG 00 14 13.1 -66 04 19           ~ 15 0
3 ACO 2744 ClG 00 14 20.03 -30 23 17.8           ~ 688 0
4 ACO 2751 ClG 00 16 13.93 -31 23 18.6           ~ 22 1
5 ACO 22 ClG 00 20 34.8 -25 41 51           ~ 100 0
6 MCS J0025.4-1222 ClG 00 25 29.381 -12 22 37.06           ~ 131 0
7 ACO 33 ClG 00 27 07 -19 30.4           ~ 12 0
8 ACO 2777 ClG 00 27 20.8 -50 15 03           ~ 17 0
9 NAME PSC-CET SUPERCL SCG 00 33 -21.0           ~ 61 2
10 ACO 85 ClG 00 41 37.8 -09 20 33           ~ 856 0
11 ACO 2811 ClG 00 42 08.82 -28 32 08.8           ~ 62 0
12 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12097 1
13 ACO 2813 ClG 00 43 27.8821 -20 37 01.282           ~ 87 0
14 ACO 2830 ClG 00 51 09.7 -48 34 39           ~ 15 0
15 ACO 133 ClG 01 02 39.0 -21 57 15           ~ 355 1
16 ACT-CL J0102-4915 ClG 01 02 52.50 -49 14 58.0           ~ 199 0
17 QSO B0104-408 QSO 01 06 45.10796439 -40 34 19.9603733   18.60 19.0 19.25   ~ 128 0
18 ACO 2874 ClG 01 08 41 -40 21.0           ~ 13 0
19 ACO 168 ClG 01 15 09.8 +00 14 51           ~ 350 2
20 1RXS J011751.6-545520 ClG 01 17 50.5 -54 55 26           ~ 10 0
21 ACO 2895 ClG 01 18 04.48 -27 00 13.4           ~ 36 0
22 NGC 541 IG 01 25 44.3069825040 -01 22 46.086331044 13.42 13.03 12.08     ~ 205 2
23 NAME Minkowski's Object GiC 01 25 47.038 -01 22 18.48   16       ~ 70 1
24 [NDG99] A G 01 26 00 -01 20.9           ~ 3 1
25 NGC 547 GiP 01 26 00.6208982520 -01 20 42.432452268   13.16 13.34     ~ 338 3
26 ACO 194 ClG 01 26 01.3 -01 22 02           ~ 345 2
27 WISEA J013000.74-132828.9 IR 01 30 00.74 -13 28 28.9           ~ 1 0
28 WISEA J013024.30-131026.7 IR 01 30 24.30 -13 10 26.7           ~ 1 0
29 GALEXMSC J013025.24-140041.5 IR 01 30 25.31 -14 00 42.5           ~ 1 0
30 WISEA J013032.61-135349.6 IR 01 30 32.61 -13 53 49.6           ~ 1 0
31 LEDA 943662 G 01 31 06.83016 -13 03 08.8200           ~ 2 0
32 WISEA J013147.85-135517.5 IR 01 31 47.85 -13 55 17.5           ~ 1 0
33 ACO 209 ClG 01 31 57.5 -13 34 35           ~ 282 0
34 WISEA J013158.40-140631.7 IR 01 31 58.40 -14 06 31.7           ~ 1 0
35 2MASS J01320883-1319403 IR 01 32 08.83056 -13 19 40.3788           ~ 1 0
36 WISE J013259.20-130002.0 IR 01 32 59.20 -13 00 02.0           ~ 1 0
37 NVSS J013313-130332 BLL 01 33 13.504 -13 03 30.55           ~ 5 0
38 6dFGS gJ013359.0-131736 G 01 33 58.97472 -13 17 35.8080   17.53   15.92   ~ 3 0
39 2MASS J01340761-1348585 IR 01 34 07.61280 -13 48 58.5720           ~ 1 0
40 WISEA J013407.92-133418.8 IR 01 34 07.92 -13 34 18.8           ~ 1 0
41 2MASS J01341817-1356323 IR 01 34 18.17976 -13 56 32.3448           ~ 1 0
42 WISEA J013423.94-133509.6 IR 01 34 23.94 -13 35 09.6           ~ 1 0
43 ACO 2941 ClG 01 45 03.60 -53 01 23.4           ~ 47 0
44 MCXC J0145.2-6033 ClG 01 45 11.9 -60 33 45           ~ 15 0
45 NGC 685 G 01 47 42.8337567552 -52 45 42.808467960   12.02   11.08 11.9 ~ 103 0
46 ACO 300 ClG 02 05 20 +17 51.3           ~ 6 0
47 ACO 2988 ClG 02 12 54 -47 08.0           ~ 20 0
48 ACO 2998 ClG 02 16 15 -48 16.1           ~ 10 0
49 ACT-CL J0217-5245 ClG 02 17 19.0516 -52 43 05.723           ~ 22 0
50 BAX 036.2925-29.4731 ClG 02 25 08.6 -29 28 34           ~ 32 0
51 ACO 3016 ClG 02 25 50.9706 -41 55 16.976           ~ 29 0
52 ACO 3017 ClG 02 25 52 -41 54.5           ~ 26 0
53 BAX 038.0779-44.3449 ClG 02 32 18.69 -44 20 41.5           ~ 97 0
54 ACO 370 ClG 02 39 50.5 -01 35 08           ~ 713 0
55 WISEA J024224.31-524305.4 IR 02 42 24.31 -52 43 05.4           ~ 1 0
56 2MASS J02451833-5315059 Le? 02 45 18.277 -53 15 06.31           ~ 2 0
57 WISEA J024534.30-524422.1 IR 02 45 34.30 -52 44 22.1           ~ 1 0
58 ACO S 295 ClG 02 45 35.80 -53 02 16.8           ~ 63 0
59 ESO 154-11 IG 02 45 39.6862367256 -52 57 50.493626424   16.79   15.44   ~ 8 0
60 WISEA J024543.99-525130.3 IR 02 45 43.99 -52 51 30.3           ~ 1 0
61 2MASX J02471015-5250465 G 02 47 10.1413674792 -52 50 46.608246564   16.76       ~ 4 0
62 WISEA J024739.42-533536.5 IR 02 47 39.42 -53 35 36.5           ~ 1 0
63 QSO B0253-218 QSO 02 56 12.8389571808 -21 37 29.143443252     18.0 17.4   ~ 35 1
64 ACO 402 ClG 02 57 41.33 -22 09 14.4           ~ 44 0
65 MCXC J0303.7-7752 ClG 03 04.2 -77 53           ~ 26 0
66 ACO 3104 ClG 03 14 24.48 -45 25 25.5           ~ 37 0
67 ACO 3112 ClG 03 17 52.4 -44 14 35           ~ 301 1
68 ESO 248-6 QSO 03 17 57.67946154 -44 14 17.1632318   14.85   13.16   ~ 74 3
69 NGC 1265 GiC 03 18 15.674 +41 51 27.94   14.7       ~ 358 2
70 ACO 3126 ClG 03 28 43.7 -55 42 44           ~ 51 0
71 QSO B0332-403 BLL 03 34 13.65448823 -40 08 25.3979928 18.54 18.35 17.87 17.5   ~ 305 1
72 ACO 3140 ClG 03 36 17.8 -40 37 21           ~ 21 0
73 ACO 3158 ClG 03 42 39.6 -53 37 50           ~ 290 0
74 ACO S 405 ClG 03 51 32.8 -82 13 15           ~ 43 0
75 ACO 3186 ClG 03 52 20.6 -74 00 11           ~ 48 0
76 2E 941 ClG 04 06 45.0 -71 15 53     18.0     ~ 11 0
77 QSO B0407-65 QSO 04 08 20.37884 -65 45 09.0806     18.0     ~ 148 1
78 2MASX J04162816-1137236 G 04 16 28.16907 -11 37 23.6640           ~ 1 0
79 2MASS J04162817-1137287 IR 04 16 28.17648 -11 37 28.7328           ~ 1 0
80 2MASS J04163045-1137303 GiC 04 16 30.41567 -11 37 30.6620           ~ 3 0
81 LEDA 963602 GiC 04 16 31.02288 -11 37 27.7068   17.33   16.35   ~ 3 0
82 MCXC J0416.7-5525 ClG 04 16 44.8 -55 25 09           ~ 10 0
83 MCS J0417.5-1154 ClG 04 17 34.6 -11 54 32           ~ 76 0
84 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 834 2
85 6dFGS gJ043022.0-613201 GiC 04 30 22.0111698936 -61 32 00.686475708   15.98       ~ 32 0
86 2MASXI J0430454-612335 GiC 04 30 45.3970706304 -61 23 35.636438688   17.28   15.85   ~ 11 0
87 ACO 3266 ClG 04 31 11.9 -61 24 23           ~ 397 0
88 DES J043118.45-611917.9 G 04 31 18.450 -61 19 17.90           ~ 1 0
89 ACO 3292 ClG 04 49 54.7 -44 40 55           ~ 28 0
90 PLCKESZ G200.9-28.2 ClG 04 50 20.90 -02 56 57.6           ~ 11 0
91 ACO 521 ClG 04 54 08.6 -10 14 39           ~ 233 0
92 ACO 3322 ClG 05 10 33.7 -45 19 22           ~ 28 0
93 MCXC J0510.7-0801 ClG 05 10 43.85 -08 01 13.0           ~ 26 0
94 ACO S 520 ClG 05 16 37.40 -54 30 01.5           ~ 87 0
95 MCS J0520.7-1328 ClG 05 20 42.0 -13 28 49           ~ 31 0
96 1WGA J0521.0-1333 X 05 21 01.2 -13 33 40           ~ 3 0
97 ACO 3343 ClG 05 25 51.0204 -47 15 44.301           ~ 21 0
98 ACT-CL J0528.8-3927 ClG 05 28 56.2 -39 27 49           ~ 62 0
99 ACO 545 ClG 05 32 24.4152 -11 32 35.080           ~ 95 0
100 M 42 OpC 05 35 17 -05 23.4           ~ 3970 0
101 ACO S 540 ClG 05 40 06.2 -40 50 29           ~ 51 0
102 ACO 3360 ClG 05 40 18.8 -43 23 31           ~ 28 0
103 ClG J0542-4100 ClG 05 42 49.9 -40 59 58           ~ 58 0
104 MCXC J0543.4-4430 ClG 05 43 24.4 -44 30 19           ~ 8 0
105 6dFGS gJ054437.4-255335 GiC 05 44 37.445 -25 53 34.73   14   14.73   ~ 12 0
106 ACO 3363 ClG 05 45 07 -47 56.9           ~ 11 0
107 ESO 488-6 LIN 05 45 22.0994002200 -25 47 29.812277796   14.71   13.34   ~ 28 0
108 6dFGS gJ054527.5-255510 G 05 45 27.47 -25 55 09.5   16.56   15.20   ~ 2 0
109 2MASX J05465005-2538311 GiC 05 46 50.0713683888 -25 38 30.865789320   15   14.80   ~ 11 0
110 ACO 548 ClG 05 47 01.7 -25 36 59           B8 200 2
111 ACO 3365 ClG 05 48 12 -21 56.1           ~ 36 0
112 [VV98] J060031.4-393702 QSO 06 00 31.4178969552 -39 37 02.189197848   18.85 18.60 18.9   ~ 39 1
113 ACO S 560 ClG 06 00 44 -58 36.0           ~ 9 0
114 ACO 3376 ClG 06 01 25.000 -39 59 51.00           ~ 291 0
115 ACO 3380 ClG 06 06 57 -49 29.5           ~ 20 2
116 [BVH2007] 75 ClG 06 10 32.0 -48 48 26           ~ 5 0
117 MCXC J0616.8-4748 ClG 06 16 56.8320 -47 47 26.473           ~ 31 0
118 2E 0624.3-5518 ClG 06 25 16.3 -55 21 06           ~ 12 0
119 ICRF J062552.2-543850 QSO 06 25 52.2308551104 -54 38 50.708996916       18.95   ~ 46 0
120 ACO 3391 ClG 06 26 15.4 -53 40 52           ~ 190 1
121 ACO 3395 ClG 06 27 31.1 -54 23 58           ~ 196 0
122 MCXC J0631.3-5610 ClG 06 31 19.4 -56 10 13           ~ 11 0
123 ACO 3399 ClG 06 37 18.1553 -48 29 02.397           ~ 25 0
124 ACO S 592 ClG 06 38 49.40 -53 58 40.8           ~ 55 0
125 ACO 3404 ClG 06 45 29.50 -54 13 37.0           ~ 88 0
126 ClG 0657-56 ClG 06 58 29.6 -55 56 39           ~ 901 1
127 MCXC J0712.0-6030 ClG 07 12 05.4 -60 30 06           ~ 6 0
128 2MASS J07283273-7527387 IR 07 28 32.73888 -75 27 38.7144           ~ 1 0
129 MCXC J0738.1-7506 ClG 07 38 21.0989 -75 07 24.257           ~ 9 0
130 2MASS J07392389-7537113 IR 07 39 23.89320 -75 37 11.3520           ~ 1 0
131 MCXC J0745.1-5404 ClG 07 44 47.3361 -54 06 39.314           ~ 6 0
132 ESO 163-15 IG 07 45 08.946 -54 04 50.42   15.52   13.88   ~ 10 0
133 ACO S 606 ClG 07 57 46.5 -53 15 49           ~ 8 0
134 CIZA J0812.5-5714 ClG 08 12 30.3 -57 14 06           ~ 15 0
135 CIZA J0820.9-5704 ClG 08 20 59.6 -57 04 47           ~ 11 0
136 1RXS J094321.3-761957 ClG 09 43 25.0 -76 19 57           ~ 8 0
137 RXC J0948.6-8327 ClG 09 48 39.4 -83 27 56           ~ 5 0
138 CIZA J1040.7-7047 ClG 10 40 44.8 -70 47 49           ~ 5 0
139 CIZA J1130.0-4213 ClG 11 30 05.6 -42 13 47           ~ 9 0
140 ACO 1314 ClG 11 34 48.7 +49 02 25           ~ 209 1
141 CIZA J1145.6-5420 ClG 11 45 38.6 -54 20 29           ~ 10 0
142 MCS J1149.5+2223 ClG 11 49 35.8 +22 23 55           ~ 412 0
143 CIZA J1201.0-4623 ClG 12 01 03.4 -46 23 26           ~ 7 0
144 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 6826 3
145 CIZA J1240.2-4825 ClG 12 40 13.7 -48 25 58           ~ 9 0
146 QSO B1243-412 QSO 12 45 57.6306392928 -41 28 45.188271804   18       ~ 18 1
147 ACO 3526 ClG 12 48 51.8 -41 18 21           ~ 1034 2
148 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1329 2
149 ACO 1656 ClG 12 59 48.7 +27 58 50           ~ 4599 2
150 NAME SHAPLEY-CENTAURUS CL SCG 13 06.0 -33 04           ~ 572 0
151 BAX 199.3086-25.5133 ClG 13 14 31.5049 -25 15 56.602           ~ 98 0
152 ACO 3558 ClG 13 27 54.8 -31 29 32           ~ 429 2
153 QSO B1327-311 QSO 13 30 19.08405157 -31 22 59.1356578   18.5 17.4 18.70   ~ 43 1
154 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4170 2
155 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 303 1
156 CIZA J1358.9-4750 ClG 13 58 56.9 -47 50 19           ~ 21 0
157 CIZA J1410.4-4246 ClG 14 10 28.5 -42 46 37           ~ 14 0
158 CIZA J1423.7-5412 ClG 14 23 43.3 -54 12 12           ~ 5 0
159 ACO 2034 ClG 15 10 10.80 +33 30 21.6           ~ 203 1
160 1RXS J151820.7-463135 ClG 15 18 20.7 -46 31 35           ~ 3 0
161 MCXC J1518.3-4632 ClG 15 18 22.8 -46 32 25           ~ 5 0
162 CIZA J1535.1-4658 ClG 15 35 09.1 -46 58 45           ~ 7 0
163 2MAXI J1546-834 ClG 15 39 33.9 -83 35 32           ~ 26 0
164 CIZA J1601.7-7544 ClG 16 01 46.7 -75 44 46           ~ 28 0
165 ESO 137-6 GiG 16 15 03.864 -60 54 26.14   13.08 12.83 11.33   ~ 101 0
166 CIZA J1645.4-7334 ClG 16 45 26.2 -73 34 54           ~ 13 0
167 CIZA J1653.0-5943 ClG 16 53 00.8 -59 43 59           ~ 17 0
168 ACO S 792 ClG 17 05 22 -82 11.3           ~ 9 0
169 MCS J1752.0+4440 ClG 17 52 03.1 +44 40 10           ~ 54 0
170 RXC J1840.6-7709 ClG 18 40 37.2 -77 09 20           ~ 10 0
171 ESO 45-11 Bla 18 40 38.5988361360 -77 09 28.704847536   9.0 14.4 8.3   ~ 47 1
172 2MASX J18472083-7744432 G 18 47 20.838 -77 44 43.27   17.36   15.64   ~ 3 0
173 2MASS J18472237-7747561 IR 18 47 22.37640 -77 47 56.1660           ~ 1 0
174 ICRF J193925.0-634245 Sy2 19 39 25.0245304992 -63 42 45.640373400   18.87 18.37 17.64   ~ 1137 1
175 ACO 3667 ClG 20 12 33.68 -56 50 26.3           ~ 601 1
176 MCXC J2023.4-5535 ClG 20 23 24.5 -55 35 32           ~ 29 0
177 ACO 3728 ClG 21 05 12 -82 44.1           ~ 11 0
178 ACO 3870 ClG 22 22 13.9 -52 35 13           ~ 7 0
179 NAME Stephan's Quintet CGG 22 35 57.5 +33 57 36           ~ 404 1
180 NAME Sausage Cluster ClG 22 42 53.0 +53 01 05           ~ 192 0
181 ACO 2485 ClG 22 48 33 -16 07.1           ~ 47 0
182 ACO S 1063 ClG 22 48 54.3 -44 31 07           ~ 283 0
183 ACO 3990 ClG 23 18 46 -67 46.6           ~ 9 0
184 ACO S 1121 ClG 23 25 08.2513 -41 12 42.589           ~ 32 0
185 ACO 2597 ClG 23 25 19.70 -12 07 27.7           ~ 526 0
186 ACO 4023 ClG 23 39 47.1332 -85 13 04.756           ~ 20 0
187 ACO 2645 ClG 23 41 17.0 -09 01 11           ~ 86 0
188 ACO 4038 ClG 23 47 31.1 -28 12 10           ~ 330 3
189 PSZ1 G057.09-74.45 ClG 23 51 04.9 -19 54 48           ~ 9 0
190 ACO 2667 ClG 23 51 39.37 -26 05 02.7           ~ 167 0

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2023.01.31-02:09:40

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