2015A&A...583A..69B

Query : 2015A&A...583A..69B

2015A&A...583A..69B - Astronomy and Astrophysics, volume 583A, 69-69 (2015/11-1)

NGC 6139: a normal massive globular cluster, or a first-generation dominated cluster? Clues from the light elements.

BRAGAGLIA A., CARRETTA E., SOLLIMA A., DONATI P., D'ORAZI V., GRATTON R.G., LUCATELLO S. and SNEDEN C.

Abstract (from CDS):

Information on globular clusters (GC) formation mechanisms can be gathered by studying the chemical signature of the multiple populations that compose these stellar systems. In particular, we investigate the anti-correlations among O, Na, Al, and Mg to explore the influence of cluster mass and environment on GCs in the Milky Way and in extragalactic systems. We present here the results obtained on NGC 6139, which, on the basis of its horizontal branch morphology, has been proposed to be dominated by first-generation stars. In our extensive study based on high-resolution spectroscopy, the first for this cluster, we found a metallicity of [Fe/H]=-1.579±0.015±0.058 (rms=0.040dex, 45 bona fide member stars) on the UVES scale defined by our group. The stars in NGC 6139 show a chemical pattern normal for GCs, with a rather extended Na-O (and Mg-Al) anti correlation. NGC 6139 behaves as expected from its mass and contains a large portion (about two thirds) of second-generation stars.

Abstract Copyright: ∼

Journal keyword(s): stars: abundances - stars: atmospheres - stars: Population II - Galaxy: general - globular clusters: general - clusters: individual: NGC 6139 globular

VizieR on-line data: <Available at CDS (J/A+A/583/A69): phottab.dat tablea1.dat tablea2.dat tablea3.dat tablea4.dat>

Nomenclature: Table A.1: [BCS2015] tNNNNN N=48 among (Nos t00261-t06169). Table A.2: [BCS2015] tNNNNN N=64 among (Nos t00187-t04132).

Simbad objects: 131

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Number of rows : 131
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 HD 34175 ** 05 17 12.4110028401 +39 27 49.128662906           K0 14 0
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17428 0
3 Cl Berkeley 39 OpC 07 46 48.5 -04 39 54           ~ 190 1
4 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1419 0
5 C 1235-509 GlC 12 38 40.20 -51 09 01.0           ~ 376 0
6 M 53 GlC 13 12 55.25 +18 10 05.4     7.79     ~ 836 0
7 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2478 0
8 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1848 0
9 [BCS2015] t02899 * 16 27 06.450 -38 50 55.18   19.267 17.624     ~ 1 0
10 2MASS J16270646-3852321 * 16 27 06.4588502112 -38 52 32.192719464   19.704 18.008     ~ 1 0
11 2MASS J16270663-3851067 * 16 27 06.6347756808 -38 51 06.753038580   18.828 17.216     ~ 1 0
12 2MASS J16270865-3850474 * 16 27 08.6580387192 -38 50 47.411922336   18.641 17.022     ~ 1 0
13 2MASS J16271035-3851028 * 16 27 10.3648790640 -38 51 02.764857348   18.380 16.916     ~ 1 0
14 2MASS J16271058-3851148 * 16 27 10.5883571040 -38 51 14.856015888   19.158 17.450     ~ 1 0
15 [BCS2015] t02817 * 16 27 10.9057193544 -38 52 05.269163340   19.138 17.613     ~ 1 0
16 2MASS J16271096-3853199 * 16 27 10.9743809808 -38 53 19.927995036   17.381 15.271     ~ 1 0
17 2MASS J16271130-3850503 * 16 27 11.3086777584 -38 50 50.262844308   18.097 16.252     ~ 1 0
18 2MASS J16271275-3854396 * 16 27 12.7638547464 -38 54 39.607891920   18.821 17.226     ~ 1 0
19 2MASS J16271289-3847193 * 16 27 12.9010790592 -38 47 19.271409144   18.339 16.534     ~ 1 0
20 2MASS J16271333-3846510 * 16 27 13.333 -38 46 51.09   19.642 18.045     ~ 1 0
21 2MASS J16271493-3847503 * 16 27 14.9343783984 -38 47 50.319558024   18.705 16.871     ~ 1 0
22 [BCS2015] t03544 * 16 27 14.9847881664 -38 53 06.825026724   19.350 17.892     ~ 1 0
23 2MASS J16271524-3846472 * 16 27 15.2507821104 -38 46 47.171934948   18.130 16.469     ~ 1 0
24 2MASS J16271626-3852535 * 16 27 16.2705696168 -38 52 53.496743520   19.114 17.479     ~ 1 0
25 2MASS J16271739-3852275 * 16 27 17.3994798864 -38 52 27.489942444   19.171 17.604     ~ 1 0
26 2MASS J16271747-3855230 * 16 27 17.4813258024 -38 55 23.027820204   18.208 16.334     ~ 1 0
27 2MASS J16271827-3847575 * 16 27 18.2781186120 -38 47 57.452783172   19.592 17.996     ~ 1 0
28 2MASS J16271839-3852214 * 16 27 18.4017780672 -38 52 21.371132496   18.165 16.417     ~ 1 0
29 2MASS J16271861-3851322 AB? 16 27 18.6149389296 -38 51 32.242211532   17.739 16.073     ~ 1 0
30 2MASS J16271900-3846415 * 16 27 19.0056051144 -38 46 41.527311636   18.779 17.121     ~ 1 0
31 2MASS J16271957-3854447 AB? 16 27 19.5819457560 -38 54 44.729350596   18.430 16.916     ~ 1 0
32 2MASS J16272000-3851364 * 16 27 20.0116260408 -38 51 36.399238128   19.140 17.549     ~ 1 0
33 [BCS2015] t01811 * 16 27 20.4821195040 -38 54 04.808560536   18.701 17.067     ~ 1 0
34 [BCS2015] t00329 * 16 27 20.7013218144 -38 53 22.945484184   17.445 15.341     ~ 1 0
35 2MASS J16272274-3852288 AB? 16 27 22.7473051992 -38 52 28.738209756   18.787 17.252     ~ 1 0
36 2MASS J16272304-3852594 * 16 27 23.0542947384 -38 52 59.353638348   18.869 17.088     ~ 1 0
37 2MASS J16272545-3848428 LP? 16 27 25.4532531768 -38 48 42.775423488   17.020 14.781     ~ 2 0
38 2MASS J16272546-3847111 * 16 27 25.4691858912 -38 47 11.117961312   19.214 17.367     ~ 1 0
39 2MASS J16272556-3851495 * 16 27 25.5692653739 -38 51 49.514389194   19.654 17.999     ~ 1 0
40 [BCS2015] t01130 * 16 27 25.8075492768 -38 49 02.862503364   18.313 16.560     ~ 1 0
41 [BCS2015] t02932 * 16 27 26.3565623616 -38 49 31.260623988   19.208 17.653     ~ 1 0
42 2MASS J16272661-3850323 * 16 27 26.6177404560 -38 50 32.279226648   19.105 17.526     ~ 1 0
43 2MASS J16272732-3853458 * 16 27 27.3271258296 -38 53 45.763954224   19.190 17.720     ~ 1 0
44 2MASS J16272735-3853029 * 16 27 27.3595403616 -38 53 02.879761092   18.197 16.610     ~ 1 0
45 2MASS J16272885-3855279 * 16 27 28.8573701064 -38 55 27.893350344   18.649 16.905     ~ 1 0
46 2MASS J16273007-3845054 * 16 27 30.0808228056 -38 45 05.442500052   18.567 16.871     ~ 1 0
47 2MASS J16273019-3852524 AB? 16 27 30.2052869520 -38 52 52.359703824   18.785 17.294     ~ 1 0
48 [BCS2015] t00337 * 16 27 30.4254249480 -38 52 04.721995884   17.450 15.363     ~ 1 0
49 2MASS J16273077-3855572 * 16 27 30.7774426656 -38 55 57.160654464   18.645 16.725     ~ 1 0
50 2MASS J16273085-3850234 * 16 27 30.8669449896 -38 50 23.397018576   18.622 16.995     ~ 1 0
51 2MASS J16273171-3857323 * 16 27 31.7191470120 -38 57 32.275868760   19.562 17.857     ~ 1 0
52 2MASS J16273247-3850506 * 16 27 32.473 -38 50 50.65   19.466 17.938     ~ 1 0
53 [BCS2015] t00638 * 16 27 32.5325084472 -38 50 30.494565312   17.815 15.991     ~ 1 0
54 [BCS2015] t06169 * 16 27 35.040 -38 50 36.98   19.446 18.660     ~ 1 0
55 [BCS2015] t00347 * 16 27 35.2698033072 -38 48 59.325151932   17.566 15.377     ~ 1 0
56 [BCS2015] t00926 * 16 27 35.8263538704 -38 50 04.294226256   18.130 16.357     ~ 1 0
57 [BCS2015] t00951 * 16 27 35.8617261624 -38 53 40.304188716   18.077 16.391     ~ 1 0
58 [BCS2015] t03453 * 16 27 36.0980102280 -38 52 08.175681156   19.337 17.864     ~ 1 0
59 [BCS2015] t03636 * 16 27 37.2983353224 -38 47 35.491981020   19.535 17.882     ~ 1 0
60 2MASS J16273772-3851240 * 16 27 37.727 -38 51 24.09   17.642 15.766     ~ 1 0
61 [BCS2015] t04048 * 16 27 38.010 -38 51 55.41   19.578 18.026     ~ 1 0
62 2MASS J16273804-3849087 * 16 27 38.0558986584 -38 49 08.737000968   18.702 17.098     ~ 1 0
63 2MASS J16273842-3849230 AB? 16 27 38.422 -38 49 23.06   18.434 16.920     ~ 1 0
64 [BCS2015] t03840 * 16 27 38.6937358776 -38 48 01.592320860   19.438 17.981     ~ 1 0
65 [BCS2015] t03594 * 16 27 38.8099865832 -38 55 02.448780060   19.420 17.893     ~ 1 0
66 2MASS J16273917-3854236 * 16 27 39.1773695304 -38 54 23.606613180   18.888 17.063     ~ 1 0
67 2MASS J16273920-3851180 * 16 27 39.2197863336 -38 51 18.027923616   17.557 15.859     ~ 1 0
68 [BCS2015] t00540 * 16 27 39.8248141656 -38 50 18.071651580   17.656 15.825     ~ 1 0
69 NGC 6139 GlC 16 27 39.987 -38 50 57.03   11.03 9.68     ~ 214 0
70 2MASS J16274025-3844523 * 16 27 40.2602630472 -38 44 52.347582276   19.029 17.376     ~ 1 0
71 [BCS2015] t00609 * 16 27 40.3364434632 -38 49 32.607544944   17.715 15.944     ~ 1 0
72 [BCS2015] t01348 * 16 27 40.8228200304 -38 48 42.105358908   18.379 16.764     ~ 1 0
73 [BCS2015] t00519 * 16 27 41.0427951120 -38 51 27.828828144   17.588 15.791     ~ 1 0
74 2MASS J16274112-3855046 * 16 27 41.1252912000 -38 55 04.650668724   17.929 16.362     ~ 1 0
75 [BCS2015] t02693 * 16 27 41.770 -38 50 28.54   19.150 17.543     ~ 1 0
76 [BCS2015] t01639 * 16 27 42.170 -38 51 07.41   18.526 16.984     ~ 1 0
77 [BCS2015] t01699 * 16 27 42.5556002280 -38 49 53.345334360   18.605 17.010     ~ 1 0
78 2MASS J16274268-3849069 * 16 27 42.685 -38 49 07.00   18.507 16.823     ~ 1 0
79 2MASS J16274277-3850562 AB? 16 27 42.7799980656 -38 50 56.266550448   17.703 16.069     ~ 1 0
80 [BCS2015] t01210 * 16 27 43.1895195240 -38 49 38.810823744   18.284 16.640     ~ 1 0
81 [BCS2015] t00261 * 16 27 43.3261610496 -38 57 04.341433104   17.217 15.097     ~ 1 0
82 2MASS J16274394-3847320 * 16 27 43.9591664808 -38 47 31.983777240   17.820 16.179     ~ 1 0
83 2MASS J16274566-3855147 * 16 27 45.6728376912 -38 55 14.674376280   17.815 15.764     ~ 1 0
84 [BCS2015] t00408 * 16 27 45.9075018840 -38 50 10.733848620   17.419 15.578     ~ 1 0
85 2MASS J16274599-3852420 * 16 27 45.9956395320 -38 52 42.006856980   18.617 16.849     ~ 1 0
86 [BCS2015] t00284 * 16 27 46.0691370360 -38 54 03.772825416   17.170 15.218     ~ 1 0
87 [BCS2015] t00316 * 16 27 46.7516335800 -38 51 04.611356172   17.240 15.337     ~ 1 0
88 2MASS J16274688-3847348 * 16 27 46.8808320720 -38 47 34.845489348   17.810 16.235     ~ 1 0
89 2MASS J16274731-3849373 * 16 27 47.3193431088 -38 49 37.317801108   18.935 17.385     ~ 1 0
90 [BCS2015] t00345 * 16 27 47.8040088312 -38 51 49.453629264   17.274 15.429     ~ 1 0
91 2MASS J16274856-3854044 * 16 27 48.5673213816 -38 54 04.454206128   19.381 17.895     ~ 1 0
92 2MASS J16274887-3853348 * 16 27 48.8784597216 -38 53 34.782716544   19.767 18.013     ~ 1 0
93 2MASS J16274890-3851434 * 16 27 48.9125051904 -38 51 43.423194168   17.294 15.555     ~ 1 0
94 [BCS2015] t00884 * 16 27 49.4370853176 -38 49 39.922487940   17.973 16.340     ~ 1 0
95 2MASS J16275045-3855290 * 16 27 50.4578308080 -38 55 28.977753900   18.361 16.649     ~ 1 0
96 [BCS2015] t01349 * 16 27 50.6591971872 -38 49 02.657444412   18.420 16.758     ~ 1 0
97 2MASS J16275101-3845273 * 16 27 51.0093214176 -38 45 27.376337592   19.335 17.739     ~ 1 0
98 [BCS2015] t03360 * 16 27 51.1940451408 -38 51 22.525299180   19.273 17.837     ~ 1 0
99 2MASS J16275251-3856106 * 16 27 52.5166117968 -38 56 10.595183856   19.259 17.754     ~ 1 0
100 2MASS J16275253-3854007 * 16 27 52.5382281240 -38 54 00.702855216   18.114 16.581     ~ 1 0
101 [BCS2015] t01200 * 16 27 54.0930397920 -38 51 05.183315820   18.274 16.636     ~ 1 0
102 2MASS J16275438-3852580 * 16 27 54.3927021096 -38 52 58.021180572   18.136 16.367     ~ 1 0
103 2MASS J16275581-3857085 * 16 27 55.8125514288 -38 57 08.482341888   19.366 17.661     ~ 1 0
104 2MASS J16275606-3851463 * 16 27 56.0678271576 -38 51 46.199544876   18.952 17.187     ~ 1 0
105 2MASS J16275607-3849325 * 16 27 56.0769634512 -38 49 32.527850268   18.997 17.507     ~ 1 0
106 2MASS J16275802-3855568 * 16 27 58.0224327936 -38 55 56.778390912   19.052 17.628     ~ 1 0
107 2MASS J16275878-3853590 * 16 27 58.7931808968 -38 53 59.010600876   18.800 17.063     ~ 1 0
108 2MASS J16275940-3852026 * 16 27 59.4059864376 -38 52 02.553708072   18.669 16.805     ~ 1 0
109 2MASS J16275947-3855451 * 16 27 59.4800296038 -38 55 45.026666504   19.231 17.710     ~ 1 0
110 2MASS J16275997-3854099 * 16 27 59.9749113144 -38 54 09.930140280   17.981 16.213     ~ 1 0
111 2MASS J16280025-3852212 * 16 28 00.2613816024 -38 52 21.133969068   17.832 15.737     ~ 1 0
112 2MASS J16280467-3855139 * 16 28 04.6819185192 -38 55 13.848697236   17.998 16.466     ~ 1 0
113 [BCS2015] t02364 * 16 28 04.9278671016 -38 51 01.605002616   18.918 17.407     ~ 1 0
114 2MASS J16280672-3854016 * 16 28 06.7307460768 -38 54 01.674063612   17.983 16.051     ~ 1 0
115 2MASS J16280792-3849481 * 16 28 07.9213176744 -38 49 48.127544760   17.730 15.666     ~ 1 0
116 2MASS J16280801-3850010 * 16 28 08.0137350168 -38 50 01.098018348   18.819 17.266     ~ 1 0
117 2MASS J16280886-3852463 * 16 28 08.8680747048 -38 52 46.251851520   17.961 16.340     ~ 1 0
118 2MASS J16281205-3853131 * 16 28 12.0528495720 -38 53 13.049577996   19.075 17.498     ~ 1 0
119 2MASS J16281227-3852498 * 16 28 12.2822363832 -38 52 49.808390268   18.374 16.855     ~ 1 0
120 2MASS J16281329-3853430 * 16 28 13.3009864896 -38 53 43.030570380   19.294 17.688     ~ 1 0
121 2MASS J16281449-3849345 * 16 28 14.4954020544 -38 49 34.541502528   19.075 17.454     ~ 1 0
122 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 1975 0
123 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 294 0
124 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2186 2
125 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2000 0
126 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 427 0
127 NGC 6791 OpC 19 20 53.0 +37 46 41   10.52 9.5     ~ 1040 0
128 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 321 0
129 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1127 0
130 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 516 0
131 NAME Local Group GrG ~ ~           ~ 8387 0

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