2022A&A...667A..66Q

Query : 2022A&A...667A..66Q

2022A&A...667A..66Q - Astronomy and Astrophysics, volume 667A66 (2022/11-1)

New insights into the Triangulum Australis supercluster of galaxies.

QUINTANA H., PROUST D., LACERNA I. and BOHRINGER H.

Abstract (from CDS):

The Triangulum Australis cluster is one of about a dozen nearby massive cluster systems which contribute to the gravitational pull behind the so-called Great Attractor that is dominated by the nearby Shapley Supercluster mass, which conforms the galaxy velocity flows observed in that general direction. Here, we study the structure and dynamical mass of the Triangulum Australis cluster together with the neighbouring cluster AS0794. We present a set of 131 velocities collected in the regions of the two clusters with the 2.5 m Du Pont telescope at Las Campanas Observatory (Chile). For the Triangulum Australis cluster we find a dynamical mass of about Mv = 4.2 (±1.3) × 1015 M⊙ and for AS0794 a value of about Mv = 1.7 (±1.3) × 1013 M⊙. These values are consistent with the observed X-ray luminosities of these clusters. Combined with velocities already known we reanalyse the structure and dynamics of this general region, finding that both clusters, together with at least eight other ones, form a large supercluster, centered on TriAus (which dominates in terms of mass). We find that this supercluster is part of a large-scale structure filament linked to the Shapley supercluster (SSC). Uncertainties remain on the richness and detailed structure of this filament and the TriAus supercluster because parts of it remain hidden behind the Galaxy disk.

Abstract Copyright: © H. Quintana et al. 2022

Journal keyword(s): galaxies: clusters: general - galaxies: distances and redshifts

VizieR on-line data: <Available at CDS (J/A+A/667/A66): tablea1.dat>

Nomenclature: Table A.1: [QPL2022] TriAus NN (Nos 1-76), [QPL2022] AS0794 NN (Nos 1-55).

Simbad objects: 193

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Number of rows : 193
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 NAME Great Attractor SCG 10 32 -46.0           ~ 617 0
2 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0
3 ACO S 727 ClG 13 20 29 -41 00.7           ~ 8 1
4 ACO S 729 ClG 13 21 32 -35 47.7           ~ 16 0
5 ACO S 731 ClG 13 23 01 -34 52.7           ~ 10 0
6 ACO 3556 ClG 13 24 06.2 -31 39 38           ~ 159 0
7 ACO S 734 ClG 13 27 55 -41 07.5           ~ 4 0
8 ACO 3558 ClG 13 28 03.2 -31 31 35           ~ 476 2
9 RXSC J1328-3233 SCG 13 28 52 -32 33.4           ~ 2 0
10 [BVH2007] 171 ClG 13 29 49.4 -33 10 23           ~ 5 0
11 ACO 3560 ClG 13 32 23.7 -33 08 21           ~ 145 1
12 ACO 3562 ClG 13 33 31.8 -31 40 23           ~ 337 1
13 ACO 3564 ClG 13 34 22 -35 13.4           ~ 36 0
14 ACO S 737 ClG 13 35 26 -40 04.3           ~ 2 0
15 MCXC J1337.4-4120 ClG 13 37 28.2 -41 20 01           ~ 10 0
16 ACO 3566 ClG 13 38 59 -35 33.2           ~ 45 0
17 ACO 3568 ClG 13 41 11 -34 38.1           ~ 8 0
18 ACO S 739 ClG 13 42 53 -34 58.1           ~ 5 0
19 ACO S 740 ClG 13 43 32 -38 11.1           ~ 21 0
20 ACO S 742 ClG 13 44 35 -34 18.0           ~ 7 0
21 ACO S 743 ClG 13 46 16 -39 54.0           ~ 2 0
22 ACO 3570 ClG 13 46 50 -37 55.0           ~ 57 3
23 ACO 3571 ClG 13 47 32.4 -32 50 12           ~ 308 2
24 ACO 3572 ClG 13 48 11 -33 22.9           ~ 30 0
25 RXSC J1349-3334 SCG 13 49 18 -33 34.6           ~ 2 0
26 ACO S 746 ClG 13 49 48 -34 58.9           ~ 5 0
27 ACO 3575 ClG 13 52 35 -32 52.8           ~ 33 0
28 ACO S 748 ClG 13 52 35 -32 23.8           ~ 5 0
29 ACO S 754 ClG 14 06 20 -39 49.3           ~ 3 0
30 CIZA J1410.4-4246 ClG 14 10 28.5 -42 46 37           ~ 14 0
31 ACO S 757 ClG 14 12 15 -33 08.1           ~ 4 0
32 ACO S 758 ClG 14 12 20.9 -34 20 20           ~ 6 0
33 ACO S 763 ClG 14 22 57 -31 07.6           ~ 2 0
34 ACO 3603 ClG 14 33 17 -31 48.2           ~ 7 0
35 ACO S 772 ClG 14 43 00 -42 17.7           ~ 2 0
36 ACO S 774 ClG 14 49 07.2718 -40 19 39.095           ~ 7 0
37 RXC J1500.8-5134 ClG 15 00 50.2 -51 34 04           ~ 1 0
38 CIZA J1514.6-4558 ClG 15 14 33.2 -45 59 20           ~ 13 0
39 1RXS J151820.7-463135 ClG 15 18 20.7 -46 31 35           ~ 3 0
40 MCXC J1518.3-4632 ClG 15 18 22.8 -46 32 25           ~ 5 0
41 CIZA J1535.1-4658 ClG 15 35 09.1 -46 58 45           ~ 8 0
42 RXC J1537.8-4436 ClG 15 37 48.0 -44 37 18           ~ 1 0
43 RXC J1606.5-3246 ClG 16 06 35.5 -32 46 42           ~ 1 0
44 RXC J1606.8-6328 ClG 16 06 53.5 -63 28 36           ~ 1 0
45 CIZA J1614.1-6307 ClG 16 14 06.7 -63 08 30           ~ 4 0
46 MCXC J1614.1-6307 ClG 16 14 07.9 -63 07 50           ~ 5 0
47 2MASX J16312799-6424454 G 16 31 27.9636003912 -64 24 45.348022116           ~ 2 0
48 [QPL2022] TriAus 2 G 16 31 29.66 -65 24 46.7           ~ 1 0
49 [QPL2022] TriAus 3 G 16 32 19.16 -64 54 29.6           ~ 1 0
50 2MASX J16322073-6431446 G 16 32 20.7556362720 -64 31 45.019757424           ~ 2 0
51 LEDA 96588 Sy2 16 32 26.697 -64 47 26.56   15.6       ~ 21 0
52 LEDA 165993 AG? 16 32 42.1182284736 -64 49 58.387105200   15.81   14.06   ~ 14 0
53 [QPL2022] TriAus 7 G 16 33 00.74 -64 29 32.4           ~ 1 0
54 2MASX J16330840-6419456 G 16 33 08.4291481728 -64 19 45.834704076           ~ 2 0
55 LEDA 323293 G 16 33 20.2841171952 -64 22 46.224481116           ~ 4 0
56 LEDA 4077276 Sy2 16 34 21.804 -65 21 30.21   17.51   15.93   ~ 6 0
57 6dFGS gJ163455.9-650759 EmG 16 34 55.9488928392 -65 07 58.942013412   17.45   15.71   ~ 4 0
58 LEDA 312716 Sy2 16 35 00.634 -65 30 26.56   17.07   15.47   ~ 10 0
59 LEDA 166009 G 16 35 02.9500699992 -64 50 51.023583060   16.90   15.40   ~ 7 0
60 LEDA 313010 G 16 35 20.215 -65 28 32.38           ~ 6 0
61 2MASX J16352688-6437292 G 16 35 26.8243104240 -64 37 29.274623976           ~ 2 0
62 2MASX J16353186-6455021 G 16 35 31.8497633976 -64 55 01.999137576           ~ 2 0
63 2MASX J16354875-6436022 G 16 35 48.7168937280 -64 36 02.290657860           ~ 2 0
64 2MASX J16355265-6420412 G 16 35 52.7141314272 -64 20 40.872510672           ~ 2 0
65 2MASX J16355326-6422022 G 16 35 53.2554206592 -64 22 01.788673512           ~ 2 0
66 LEDA 4077289 Sy2 16 36 20.541 -65 31 48.54   12.83 12.86 14.73   ~ 11 0
67 2MASX J16362301-6536485 G 16 36 23.0811206448 -65 36 48.304994580           ~ 3 0
68 [QPL2022] TriAus 22 G 16 36 28.65 -65 33 09.9           ~ 1 0
69 ESO 101-2 G 16 36 30.549 -64 26 03.63   15.07       ~ 12 0
70 6dFGS gJ163632.9-644845 G 16 36 32.8351201272 -64 48 44.453760012   18.68   16.17   ~ 4 0
71 [QPL2022] TriAus 25 G 16 36 41.05 -64 26 04.8           ~ 1 0
72 [QPL2022] TriAus 26 G 16 37 06.31 -64 28 53.3           ~ 1 0
73 LEDA 4077293 G 16 37 14.0221610712 -64 22 04.026495468   17.33   15.83   ~ 9 0
74 2MASX J16371511-6420056 G 16 37 15.1026881664 -64 20 06.084580452           ~ 2 0
75 2MASX J16372963-6434236 G 16 37 29.6145785640 -64 34 24.082901616           ~ 2 0
76 ESO 101-3 AG? 16 37 52.6084996608 -64 48 48.245110668   14.61       ~ 22 0
77 [QPL2022] TriAus 31 G 16 38 00.93 -64 29 38.2           ~ 1 0
78 LEDA 323944 G 16 38 02.3415282696 -64 19 00.324479784           ~ 8 0
79 2MASX J16380531-6419515 G 16 38 05.2763670432 -64 19 51.198631788           ~ 2 0
80 BAX 249.5848-64.5165 ClG 16 38 13.2 -64 21 21           ~ 123 0
81 ESO 101-4 G 16 38 18.2454371352 -64 21 36.398553300   14.66   12.64   ~ 13 1
82 LEDA 4584587 G 16 38 26.4764709168 -64 25 30.577678140           ~ 4 0
83 LEDA 5061214 G 16 38 29.5186255152 -64 18 16.584152796           ~ 8 0
84 2MASX J16383302-6423548 G 16 38 33.0154603824 -64 23 54.499611660           ~ 2 0
85 2MASX J16383563-6441318 G 16 38 35.6605616400 -64 41 32.194638960           ~ 2 0
86 2MASX J16384034-6436089 G 16 38 40.3967332200 -64 36 08.746935048           ~ 2 0
87 2MASX J16384815-6420049 G 16 38 48.1712918544 -64 20 05.386646976           ~ 2 0
88 LEDA 316031 G 16 38 50.9836136880 -65 07 39.423969912   17.78   16.21   ~ 7 0
89 2MASX J16385138-6426269 G 16 38 51.387 -64 26 26.95           ~ 2 0
90 LEDA 3099295 G 16 38 53.8484984760 -64 22 26.951849184           ~ 9 0
91 6dFGS gJ163857.8-642401 G 16 38 57.715 -64 24 00.94   17.40   15.94   ~ 4 0
92 [QPL2022] TriAus 45 G 16 38 58.43 -64 21 06.1           ~ 1 0
93 2MASX J16390277-6505079 rG 16 39 02.776 -65 05 07.95           ~ 10 0
94 LEDA 322282 G 16 39 07.9240794936 -64 28 48.640357380           ~ 4 0
95 2MASX J16390811-6430379 G 16 39 08.1665549952 -64 30 38.075971536           ~ 2 0
96 2MASX J16391143-6436018 G 16 39 11.4510597096 -64 36 01.904105088           ~ 2 0
97 LEDA 323014 G 16 39 15.0489712968 -64 24 23.005431216           ~ 4 0
98 2MASX J16391842-6422393 G 16 39 18.3956961456 -64 22 39.261319212           ~ 2 0
99 LEDA 166004 G 16 39 21.7902751008 -65 15 45.449555544   16.98   15.42   ~ 11 0
100 2MASX J16392820-6429044 G 16 39 28.2592611408 -64 29 04.574400468           ~ 2 0
101 [QPL2022] TriAus 54 G 16 39 35.25 -64 19 59.3           ~ 1 0
102 LEDA 318958 G 16 39 52.4065674288 -64 48 56.611695024   17.00   15.50   ~ 9 0
103 LEDA 166008 G 16 39 57.8139878208 -64 33 28.535290992   15.87   14.31   ~ 12 0
104 LEDA 322658 G 16 39 58.1477853096 -64 26 29.578582032           ~ 10 0
105 2MASX J16395878-6507344 G 16 39 58.8675967824 -65 07 35.001735168           ~ 2 0
106 2MASX J16400953-6429194 G 16 40 09.5410603680 -64 29 19.038573672           ~ 2 0
107 2MASX J16401123-6423124 G 16 40 11.2549670064 -64 23 12.895358856           ~ 2 0
108 LEDA 315344 G 16 40 13.6771245960 -65 12 21.081353544   15.88   14.29   ~ 10 0
109 LEDA 322718 G 16 40 21.072 -64 26 11.57   17.17   15.53   ~ 9 0
110 2MASX J16403359-6422586 G 16 40 33.5008874304 -64 22 58.828283040           ~ 2 0
111 2MASX J16410800-6441304 G 16 41 08.0960821512 -64 41 30.759890712           ~ 2 0
112 LEDA 166003 G 16 41 49.7315751000 -65 09 52.645347324   16.62   15.19   ~ 7 0
113 2MASX J16423718-6440187 G 16 42 37.2304440360 -64 40 18.853256820           ~ 2 0
114 LEDA 311333 EmG 16 42 38.0915837208 -65 39 43.304577984   16.82   15.51   ~ 8 0
115 LEDA 318311 G 16 42 42.3788704848 -64 52 45.147691056           ~ 10 0
116 LEDA 318685 G 16 42 45.4769714664 -64 50 29.760169632   16.24   14.80   ~ 9 0
117 2MASX J16425061-6458347 G 16 42 50.6443636848 -64 58 34.594073544           ~ 2 0
118 LEDA 319059 G 16 43 31.2170867064 -64 48 17.971289604   17.34   15.10   ~ 7 0
119 4U 1631-64 X 16 43 38 -62 48.8           ~ 17 0
120 2MASX J16434951-6458566 G 16 43 49.5408267504 -64 58 56.926122708           ~ 2 0
121 LEDA 312964 G 16 43 55.22473 -65 28 49.5770   17.38   15.85   ~ 8 0
122 LEDA 4584650 G 16 44 09.3020884752 -64 54 42.632845452           ~ 9 0
123 [QPL2022] TriAus 75 G 16 44 14.57 -64 57 28.9           ~ 1 0
124 LEDA 4077367 G 16 44 46.4048600928 -65 06 32.576292864   17.07   15.69   ~ 9 0
125 CIZA J1645.4-7334 ClG 16 45 26.2 -73 34 54           ~ 16 0
126 Cl Westerlund 1 OpC 16 47 02.4 -45 51 07           ~ 655 1
127 CIZA J1653.0-5943 ClG 16 53 09.5 -59 41 28           ~ 23 0
128 RXC J1701.4-6619 ClG 17 01 26.1 -66 19 32           ~ 1 0
129 RXC J1709.6-5244 ClG 17 09 38.5 -52 44 49           ~ 1 0
130 [WTK99] CG J1720-678 GrG 17 20 -67.8           ~ 20 0
131 [QPL2022] AS0794 1 G 17 20 59.12 -66 30 23.9           ~ 1 0
132 [QPL2022] AS0794 2 G 17 21 12.00 -66 14 06.4           ~ 1 0
133 LEDA 4077598 G 17 21 33.0828946632 -66 04 38.030629512   16.55   15.23   ~ 8 0
134 [QPL2022] AS0794 4 G 17 21 56.40 -66 56 43.2           ~ 1 0
135 [QPL2022] AS0794 5 G 17 21 59.05 -65 51 21.4           ~ 1 0
136 [QPL2022] AS0794 6 G 17 23 13.27 -66 23 18.2           ~ 1 0
137 [QPL2022] AS0794 7 G 17 23 24.71 -66 43 50.3           ~ 1 0
138 [QPL2022] AS0794 8 G 17 23 34.69 -66 28 56.6           ~ 1 0
139 [QPL2022] AS0794 9 G 17 23 54.82 -67 06 12.7           ~ 1 0
140 [QPL2022] AS0794 10 G 17 24 23.53 -66 06 57.9           ~ 1 0
141 LEDA 304485 G 17 24 30.5622958416 -66 28 24.801749688   16.96   15.59   ~ 7 0
142 LEDA 308505 G 17 25 03.55227 -65 58 35.6810           ~ 4 0
143 LEDA 307758 G 17 25 14.8184894424 -66 04 01.596603144   17.30   15.83   ~ 6 0
144 LEDA 308908 G 17 25 16.7810985480 -65 55 45.928897320   16.86   15.60   ~ 4 0
145 [QPL2022] AS0794 15 G 17 25 22.25 -67 11 57.1           ~ 1 0
146 LEDA 298665 G 17 25 34.1 -67 09 10           ~ 2 0
147 [QPL2022] AS0794 17 G 17 25 54.03 -66 33 13.9           ~ 1 0
148 [QPL2022] AS0794 18 G 17 25 54.72 -65 56 01.1           ~ 1 0
149 LEDA 303924 G 17 26 27.6 -66 32 32           ~ 2 0
150 [QPL2022] AS0794 20 G 17 26 39.56 -65 51 56.5           ~ 1 0
151 [QPL2022] AS0794 21 G 17 27 00.94 -66 35 45.1           ~ 1 0
152 [QPL2022] AS0794 22 G 17 27 07.93 -66 38 23.6           ~ 1 0
153 [QPL2022] AS0794 23 G 17 27 23.36 -65 58 39.1           ~ 1 0
154 LEDA 3082703 EmG 17 27 33.2178140016 -66 07 27.065080848   16.39   15.10   ~ 7 0
155 [QPL2022] AS0794 24 G 17 27 33.22 -67 14 41.6           ~ 1 0
156 LEDA 4077632 G 17 27 37.3536916944 -66 45 57.161999232   16.11   14.75   ~ 13 0
157 [QPL2022] AS0794 27 G 17 28 01.83 -66 47 02.0           ~ 1 0
158 LEDA 4077636 G 17 28 13.3997050920 -66 51 52.079738148   16.56   15.18   ~ 13 0
159 LEDA 4077637 G 17 28 14.8799664888 -66 40 15.619619244   15.64   14.50   ~ 10 0
160 LEDA 304452 G 17 28 25.6 -66 28 36           ~ 2 0
161 ACO S 794 ClG 17 28 37 -66 41.5           ~ 5 0
162 LEDA 5060791 G 17 28 41.133 -66 40 52.59           ~ 8 0
163 [QPL2022] AS0794 32 G 17 28 43.02 -66 28 34.9           ~ 1 0
164 [QPL2022] AS0794 33 G 17 28 43.78 -65 57 28.9           ~ 1 0
165 ESO 102-6 AG? 17 28 56.433 -66 09 02.59   15.08   13.43   ~ 13 0
166 LEDA 2802358 G 17 28 59.1216781272 -66 47 47.215415112   16.03   14.62   ~ 14 0
167 LEDA 302579 G 17 29 06.9 -66 42 31           ~ 3 0
168 LEDA 303657 G 17 29 28.2409363728 -66 34 33.637213128   17.11   15.67   ~ 7 0
169 [QPL2022] AS0794 38 G 17 29 33.78 -66 51 39.6           ~ 1 0
170 [QPL2022] AS0794 39 G 17 29 46.37 -66 42 53.5           ~ 1 0
171 [QPL2022] AS0794 40 G 17 29 55.25 -66 44 27.3           ~ 1 0
172 [QPL2022] AS0794 41 G 17 30 13.18 -66 28 14.9           ~ 1 0
173 LEDA 304010 G 17 30 28.8820536480 -66 31 56.079578172           ~ 4 0
174 LEDA 308484 G 17 30 39.9785890464 -65 58 43.535969832   16.86   15.47   ~ 9 0
175 LEDA 303780 G 17 30 45.7164833040 -66 33 35.069762520   16.96   15.55   ~ 7 0
176 LEDA 301951 G 17 30 53.5260699768 -66 47 12.568509708   16.98   15.58   ~ 7 0
177 [QPL2022] AS0794 46 G 17 31 02.32 -65 57 38.1           ~ 1 0
178 [QPL2022] AS0794 47 G 17 32 16.62 -66 33 37.5           ~ 1 0
179 [QPL2022] AS0794 48 G 17 32 16.71 -66 33 37.5           ~ 1 0
180 [QPL2022] AS0794 49 G 17 32 23.96 -66 51 40.1           ~ 1 0
181 [QPL2022] AS0794 51 G 17 33 01.53 -66 55 55.7           ~ 1 0
182 LEDA 302029 EmG 17 33 01.5560168304 -66 46 39.354619620   16.70   15.30   ~ 9 0
183 LEDA 297251 G 17 34 03.3 -67 17 24           ~ 2 0
184 [QPL2022] AS0794 53 G 17 34 10.02 -66 39 13.1           ~ 1 0
185 [QPL2022] AS0794 54 G 17 35 21.07 -67 09 36.0           ~ 1 0
186 [QPL2022] AS0794 55 G 17 35 33.84 -67 04 19.3           ~ 1 0
187 RXC J1742.3-6830 ClG 17 42 24.0 -68 30 23           ~ 1 0
188 ACO S 797 ClG 17 52 24 -65 29.7           ~ 5 0
189 PKS 1801-702 rG 18 07 14.8835980440 -70 12 38.454350832   15.22 16.5 13.76   ~ 24 1
190 ACO S 801 ClG 18 27 27 -51 32.1           ~ 2 0
191 ACO S 800 ClG 18 28 13 -77 10.2           ~ 2 0
192 ACO 3632 ClG 18 39 42 -46 19.3           ~ 2 0
193 ACO S 808 ClG 19 00 36.7 -49 04 53           ~ 7 0

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