2024A&A...687A.201B

Query : 2024A&A...687A.201B

2024A&A...687A.201B - Astronomy and Astrophysics, volume 687A201 (2024/7-1)

A census of new globular clusters in the Galactic bulge.

BICA E., ORTOLANI S., BARBUY B. and OLIVEIRA R.A.P.

Abstract (from CDS):

Context. The number of known globular clusters in the Galactic bulge has been increasing steadily thanks to different new surveys.
Aims. The aim of this study is to provide a census of the newly revealed globular clusters in the Galactic bulge, and analyze their characteristics.
Methods. In recent years, many globular clusters have been discovered or identified. The stellar populations to which they belong are indicated in their original studies: they are mostly bulge clusters, with some identified as disk or halo members. We collected 41 new globular clusters revealed in the last decade and compared them to the known bulge clusters.
Results. The new clusters are intrinsically faint with MV of around -6.0 mag. The distance to the Sun of the ensemble of well-known and new bulge clusters is compatible with the Galactocentric distance measurements from the Galactic black hole location. The ensemble sample shows metallicity peaks at [Fe/H] ∼ -1.08 ± 0.35 and -0.51 ± 0.25 dex, confirming previous findings. The age-metallicity relation of the new clusters younger than 10 Gyr is compatible with that of the ex situ samples of the dwarf galaxies Sagittarius, Canis Majoris, and Gaia-Enceladus-Sausage. The clusters with ages between 11.5 and 13.5 Gyr show no age-metallicity relation, because they are all old. This is compatible with their formation in situ in the early Galaxy.

Abstract Copyright: © The Authors 2024

Journal keyword(s): Galaxy: bulge - globular clusters: general

Simbad objects: 102

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Number of rows : 102
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 GRB 070201 gB 00 44.3 +42 18           ~ 59 0
2 [KBT2017] Gaia 2 OpC 01 52 29.9 +53 01 57           ~ 20 0
3 NAME CMa Dwarf Galaxy G 07 12.6 -27 40     -0.1     ~ 203 1
4 Cl Ferrero 54 Cl* 08 33 48.3 -44 26 49           ~ 5 0
5 Patchick 122 Cl* 09 42 30.7 -52 25 41           ~ 6 0
6 [KKF2001] J132523.96-430059.39 X 13 25 23.96 -43 00 59.4           ~ 4 0
7 [KKF2001] J132524.51-430141.88 X 13 25 24.51 -43 01 41.9   23.32       ~ 3 0
8 [KKF2001] J132524.76-430124.77 X 13 25 24.76 -43 01 24.8           ~ 3 0
9 [KKF2001] J132524.88-430425.24 X 13 25 24.88 -43 04 25.2           ~ 3 0
10 [KKF2001] J132525.15-430126.81 X 13 25 25.15 -43 01 26.8   20.82 19.44     ~ 5 0
11 [KKF2001] J132525.26-430223.01 X 13 25 25.26 -43 02 23.0           ~ 4 0
12 [KKF2001] J132525.59-430209.68 X 13 25 25.59 -43 02 09.7   22.70 21.71     ~ 4 0
13 [KKF2001] J132527.10-430159.34 X 13 25 27.10 -43 01 59.3           ~ 4 0
14 [KKF2001] J132528.32-430416.56 X 13 25 28.32 -43 04 16.6           ~ 3 0
15 [KKF2001] 106 X 13 25 28.46 -43 03 15.1           ~ 6 0
16 [KKF2001] J132532.02-430231.57 X 13 25 32.00 -43 02 31.1   20.32 19.09     ~ 5 0
17 [KKF2001] J132532.35-430127.19 X 13 25 32.35 -43 01 27.2   22.87 22.20     ~ 3 0
18 NAME VVVX-GC-140900-653712 Cl* 14 09 00.0 -65 37 12           ~ 13 0
19 Ryu 059 GlC 16 17 08.73 -44 35 35.3           ~ 12 0
20 ESO 390-6 GlC 16 28 40.10 -35 21 13.0     12.0     ~ 113 0
21 ESO 452-11 GlC 16 39 25.50 -28 23 52.0           ~ 89 0
22 NGC 6256 GlC 16 59 32.68 -37 07 17.1           ~ 182 0
23 M 62 GlC 17 01 12.60 -30 06 44.5           ~ 668 0
24 Gran 3 GlC 17 05 00.7 -35 29 41           ~ 19 0
25 Patchick 126 Cl* 17 05 38.6 -47 20 32           ~ 10 0
26 Gran 2 GlC 17 11 34 -24 50.9           ~ 10 0
27 NGC 6304 GlC 17 14 32.25 -29 27 43.3           ~ 394 0
28 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 247 0
29 NGC 6325 GlC 17 17 59.27 -23 45 57.7           ~ 190 0
30 NGC 6342 GlC 17 21 10.14 -19 35 14.7     10.01     ~ 310 0
31 Camargo 1102 Cl? 17 21 45 -26 32.7           ~ 6 0
32 NGC 6355 GlC 17 23 58.65 -26 21 12.3   12.46 11.05     ~ 183 0
33 ESO 454-29 GlC 17 27 33.24 -30 48 07.8           ~ 278 0
34 GCl 66.1 GlC 17 30 38.90 -31 35 44.0           ~ 139 0
35 ESO 455-11 GlC 17 31 05.20 -29 58 54.0           ~ 208 0
36 NAME Sequoia Cluster GlC 17 31 12.0 -39 48 30           ~ 154 0
37 Camargo 1106 Cl? 17 32 34 -30 16.8           ~ 7 0
38 Liller 1 Cl* 17 33 24.50 -33 23 20.0           ~ 311 0
39 [MGA2017] 48 Gl? 17 33 27.5 -28 01 47           ~ 6 0
40 [KPS2012] MWSC 2633 Gl? 17 35 38 -21 04.2           ~ 11 0
41 NAME 2MASS-GC04 OpC 17 35 44.8 -36 21 42           ~ 34 0
42 ESO 455-23 GlC 17 35 47.80 -30 28 11.0           ~ 285 0
43 NAME Tonantzintla 2 GlC 17 36 10.500 -38 33 12.00           ~ 115 0
44 Camargo 1105 Cl? 17 36 34 -28 18.6           ~ 6 0
45 Camargo 1107 Gl? 17 36 58 -30 08.8           ~ 6 0
46 NGC 6401 GlC 17 38 36.93 -23 54 31.5   11.31 10.71     ~ 203 0
47 ESO 393-12 OpC 17 38 40 -35 39.0           ~ 10 0
48 VVV CL003 Cl? 17 38 54.56 -29 54 25.3           ~ 9 0
49 VVV CL002 GlC 17 41 06.30 -28 50 42.3           ~ 25 0
50 VVV CL131 Cl* 17 41 17.0 -34 34 02           ~ 5 0
51 [KPS2012] MWSC 2664 Gl? 17 41 43 -19 34.3           ~ 11 0
52 ESO 520-21 GlC 17 43 42.20 -26 13 21.0           ~ 211 0
53 VVV CL143 Cl* 17 44 36.0 -33 44 18           ~ 6 0
54 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
55 Camargo 1108 Gl? 17 46 04 -30 51.9           ~ 6 0
56 Camargo 1109 Gl? 17 47 27 -26 38.9           ~ 6 0
57 NAME cl Djorgovski 1 GlC 17 47 28.30 -33 03 56.0           ~ 97 0
58 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
59 [MGA2017] 22 GlC 17 48 51 -33 03.7           ~ 10 0
60 NGC 6440 GlC 17 48 52.67 -20 21 34.5           ~ 592 0
61 Gran 5 GlC 17 48 55 -24 10.2           ~ 12 0
62 Cl Terzan 6 GlC 17 50 47.02873 -31 16 29.6900           ~ 214 0
63 ESO 456-9 OpC 17 53 56 -32 27.9           ~ 13 0
64 [KPS2012] MWSC 2742 OpC 17 54 00 -36 08.7           ~ 9 0
65 NAME UKS 1 GlC 17 54 27.20 -24 08 43.0           ~ 118 0
66 VVV CL001 Gl? 17 54 42.5 -24 00 53           ~ 46 0
67 VVV CL154 Cl* 17 55 08.0 -28 06 01           ~ 4 0
68 [FSR2007] 1775 Cl* 17 56 08 -36 33.9           ~ 8 0
69 ESO 456-29 OpC 17 58 36.610 -32 01 10.72           ~ 24 0
70 GCl 80.1 GlC 18 01 38.80 -26 50 23.0           ~ 143 0
71 ESO 456-38 GlC 18 01 49.10 -27 49 33.0           ~ 120 0
72 ESO 521-16 GlC 18 02 57.40 -26 04 00.0           ~ 123 0
73 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
74 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
75 NGC 6539 GlC 18 04 49.74 -07 35 09.1           ~ 247 0
76 Camargo 1104 Cl? 18 05 14 -24 58.8           ~ 5 0
77 Garro 2 Cl* 18 05 51.1 -17 42 02           ~ 5 0
78 NGC 6540 GlC 18 06 08.60 -27 45 55.0           ~ 145 0
79 Camargo 1103 Cl? 18 06 31 -25 09.7           ~ 8 0
80 VVV CL160 Cl* 18 06 57.0 -20 00 40           ~ 15 0
81 ESO 280-6 GlC 18 09 06.000 -46 25 24.00           ~ 74 0
82 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
83 NGC 6558 GlC 18 10 17.6 -31 45 50           ~ 265 0
84 DSH J1810.3-2320 OpC 18 10 23.9 -23 20 25           ~ 7 0
85 ESO 456-78 GlC 18 14 06.600 -28 38 06.00           ~ 82 0
86 DSH J1815.7-2948 Cl* 18 15 47.00 -29 48 46.0           ~ 11 0
87 [MCM2005b] 2 Cl* 18 16 20 -16 50.8           ~ 13 0
88 NAME Mercer 5 Cl* 18 23 19.800 -13 40 07.00           ~ 29 0
89 NGC 6624 GlC 18 23 40.51 -30 21 39.7           ~ 939 1
90 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 821 0
91 [KPS2012] MWSC 2921 OpC 18 28 33 -31 54.3           ~ 8 0
92 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 258 0
93 M 69 GlC 18 31 23.10 -32 20 53.1           ~ 492 0
94 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 240 0
95 Gran 4 GlC 18 32 27 -23 06.8           ~ 11 0
96 NGC 6652 GlC 18 35 45.63 -32 59 26.6           ~ 474 0
97 Ryu 879 GlC 18 45 28.02 -05 11 31.3           ~ 15 0
98 NGC 6717 GlC 18 55 06.04 -22 42 05.3           ~ 273 0
99 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 543 0
100 DSH J1911.1+1450 OpC 19 11 09.2 +14 50 04           ~ 10 0
101 NAME Gaia Enceladus-Sausage St* ~ ~           ~ 860 0
102 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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