2015ApJ...802L..25T

Query : 2015ApJ...802L..25T

2015ApJ...802L..25T - Astrophys. J., 802, L25 (2015/April-1)

Two planes of satellites in the Centaurus A Group.

TULLY R.B., LIBESKIND N.I., KARACHENTSEV I.D., KARACHENTSEVA V.E., RIZZI L. and SHAYA E.J.

Abstract (from CDS):

Tip of the red giant branch measurements based on Hubble Space Telescope and ground-based imaging have resulted in accurate distances to 29 galaxies in the nearby Centaurus A Group. All but 2 of the 29 galaxies lie in either of two thin planes roughly parallel with the supergalactic equator. The planes are only slightly tilted from the line of sight, leaving little ambiguity regarding the morphology of the structure. The planes have characteristic rms long axis dimensions of ∼300 kpc and short axis dimensions of ∼60 kpc, hence axial ratios ∼0.2, and are separated in the short axis direction by 303 kpc.

Abstract Copyright: ∼

Journal keyword(s): galaxies: distances and redshifts - galaxies: groups: individual: Cen A - large-scale structure of universe

Simbad objects: 45

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Number of rows : 45
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 12650 1
2 ESO 321-14 AG? 12 13 48.8792 -38 14 00.250 16.32 15.70 15.35 15.20 15.2 ~ 88 0
3 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6645 0
4 NAME LOCAL SUPERCL SCG 12 31 +12.4           ~ 519 0
5 LEDA 2815819 G 12 44 21.5 -42 56 23   16.7       ~ 14 0
6 ESO 219-10 G 12 56 09.6 -50 08 38   16.96   15.36   ~ 23 0
7 ESO 269-37 AG? 13 03 33.1398 -46 35 10.765   16.29   14.95   ~ 47 1
8 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1475 2
9 MCG-04-31-038 EmG 13 09 36.60 -27 08 26.7   14.5   16.01 14.7 ~ 26 0
10 ESO 269-58 AG? 13 10 32.8047 -46 59 37.747   12.50   11.31   ~ 72 0
11 LEDA 2815820 G 13 11 14.1 -38 54 22   17.3       ~ 16 0
12 LEDA 166158 G 13 12 45.2 -41 49 57   19.3       ~ 37 0
13 ESO 269-66 GiC 13 13 09.2 -44 53 23   14.14       ~ 60 0
14 ESO 269-68 GiC 13 13 11.88 -43 15 55.7   14.25       ~ 30 1
15 NAME Cen A Group GrG 13 20 33.9 -44 58 51           ~ 263 0
16 LEDA 2815821 G 13 21 32.4 -31 53 11   17.6       ~ 20 0
17 LEDA 46663 AG? 13 21 47.40 -45 03 42.0           ~ 60 0
18 NGC 5102 EmG 13 21 57.6100832352 -36 37 48.395156160   9.74 9.65 8.47 10.2 ~ 367 1
19 LEDA 46680 G 13 22 02.1 -42 32 10   16.6       ~ 57 0
20 LEDA 2815822 G 13 22 12.7 -42 43 41   18.5       ~ 38 0
21 LEDA 166164 G 13 22 56.2 -33 34 22   17.6       ~ 27 0
22 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4486 3
23 LEDA 166167 G 13 27 27.8 -45 21 10           ~ 27 0
24 ESO 324-24 LSB 13 27 37.6117 -41 28 44.128   12.91   12.13 12.3 ~ 100 0
25 [CSC2014] CenA-MM-Dw2 G 13 29 57.34 -41 52 22.6           ~ 13 0
26 [CSC2014] CenA-MM-Dw1 G 13 30 14.26 -41 53 35.8           ~ 14 0
27 NGC 5206 GiG 13 33 43.9615937880 -48 09 03.953598228   11.62   10.40   ~ 109 0
28 NAME Fourcade-Figueroa AG? 13 34 47.30 -45 32 51.0   11.69 11.40 10.03 11.2 ~ 80 0
29 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2573 2
30 NAME NGC 5236 Group GrG 13 37 06 -29 51.9           ~ 64 0
31 NGC 5237 EmG 13 37 39.056 -42 50 48.90   13.26 12.67 12.34   ~ 110 1
32 NGC 5253 AGN 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1366 4
33 NGC 5264 GiG 13 41 36.683 -29 54 47.25 13.86 12.96 12.39 12.14 15.83 ~ 152 1
34 LEDA 2815823 G 13 41 38.1 -42 34 55   18.1       ~ 28 0
35 LEDA 48515 G 13 42 05.7 -45 12 20   17.6       ~ 48 1
36 LEDA 166172 G 13 43 36.0 -43 46 11           ~ 31 1
37 ESO 325-11 AG? 13 45 01.0528 -41 51 45.993   14.02   13.49 12.9 ~ 106 0
38 LEDA 2815824 G 13 46 01.0 -36 19 41   17.1       ~ 23 0
39 LEDA 166175 G 13 46 16.8 -45 41 05   19.2       ~ 36 1
40 ESO 174-1B G 13 47 58.088 -53 20 51.23   14.4   14.2 13.9 ~ 33 1
41 NAME Cen N G 13 48 09.2 -47 33 54           ~ 23 0
42 LEDA 166179 G 13 48 46.4 -46 59 46           ~ 35 1
43 NAME TR 1346-35 EmG 13 49 17.5109711256 -36 03 48.860478360   11.00   10.11   ~ 111 1
44 LEDA 51659 G 14 28 03.7 -46 18 06   15       ~ 73 1
45 NAME Local Void vid 18 38 +18.0           ~ 198 0

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