2015A&A...578A.116C

Query : 2015A&A...578A.116C

2015A&A...578A.116C - Astronomy and Astrophysics, volume 578A, 116-116 (2015/6-1)

The normal chemistry of multiple stellar populations in the dense globular cluster NGC 6093 (M 80).

CARRETTA E., BRAGAGLIA A., GRATTON R.G., D'ORAZI V., LUCATELLO S., SOLLIMA A., MOMANY Y., CATANZARO G. and LEONE F.

Abstract (from CDS):

We present the abundance analysis of 82 red giant branch stars in the dense, metal-poor globular cluster NGC 6093 (M 80), the largest sample of stars analysed in this way for this cluster. From high-resolution UVES spectra of 14 stars and intermediate resolution GIRAFFE spectra for the other stars we derived abundances of O, Na, Mg, Al, Si, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Ba, La, Ce, Pr, Nd, Sm, Eu. On our UVES metallicity scale the mean metal abundance of M 80 is [Fe/H]=-1.791±0.006±0.076 (±statistical ±systematic error) with σ=0.023 (14 stars). M 80 shows star-to-star variations in proton-capture elements, and the extension of the Na-O anti-correlation perfectly fit the relations with (i) total cluster mass; (ii) horizontal branch morphology; and (iii) cluster concentration previously found by our group. The chemistry of multiple stellar populations in M 80 does not look extreme. The cluster is also a representative of halo globular clusters concerning the pattern of α-capture and Fe-group elements. However we found that a significant contribution from the s-process is required to account for the distribution of neutron-capture elements. A minority of stars in M 80 seem to exhibit slightly enhanced abundances of s-process species, compatible with those observed in M 22 and NGC 1851, although further confirmation from larger samples is required.

Abstract Copyright: ∼

Journal keyword(s): stars: abundances - stars: Population II - globular clusters: general - globular clusters: individual: NGC 6093 (M 80) - stars: atmospheres

VizieR on-line data: <Available at CDS (J/A+A/578/A116): table2.dat table3.dat table5.dat table6.dat table7.dat table8.dat table9.dat>

Nomenclature: Tables 2-3,5-9: [CBG2015] NNNNN N=143 among (Nos 208-22172).

Simbad objects: 165

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Number of rows : 165
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 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 3916 0
2 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1041 0
3 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1085 0
4 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1429 0
5 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1419 0
6 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 997 0
7 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 425 0
8 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 1977 0
9 [CBG2015] 10643 RG* 16 16 18.894 -22 57 41.01   15.433 14.178     ~ 1 0
10 [CBG2015] 10182 RG* 16 16 21.445 -23 01 09.74   16.166 14.930     ~ 1 0
11 [CBG2015] 10816 RG* 16 16 25.272 -22 56 11.90   17.592 16.576     ~ 1 0
12 [CBG2015] 10208 RG* 16 16 26.067 -23 00 53.78   15.870 14.664     ~ 1 0
13 [CBG2015] 10842 RG* 16 16 26.395 -22 56 01.45   17.746 16.731     ~ 1 0
14 [CBG2015] 10239 RG* 16 16 30.188 -23 00 37.10   17.552 16.508     ~ 1 0
15 [CBG2015] 10919 RG* 16 16 32.098 -22 55 13.42   15.133 13.705     ~ 1 0
16 [CBG2015] 9600 RG* 16 16 34.834 -23 06 10.82   16.645 15.567     ~ 1 0
17 [CBG2015] 4013 RG* 16 16 36.218 -22 54 08.73   17.494 16.483     ~ 1 0
18 2MASS J16163734-2302198 RG* 16 16 37.34808 -23 02 19.8888   17.073 15.995     ~ 2 0
19 [CBG2015] 4042 RG* 16 16 37.895 -22 53 48.75   17.330 16.282     ~ 1 0
20 [CBG2015] 9491 RG* 16 16 38.706 -23 07 07.76   17.767 16.748     ~ 1 0
21 [CBG2015] 4437 RG* 16 16 38.879 -22 50 06.65   15.778 14.505     ~ 1 0
22 [CBG2015] 10582 RG* 16 16 41.153 -22 57 53.05   16.734 15.651     ~ 1 0
23 [CBG2015] 9795 RG* 16 16 42.001 -23 04 21.57   17.358 16.290     ~ 1 0
24 [CBG2015] 10383 RG* 16 16 42.157 -22 59 21.11   17.521 16.491     ~ 1 0
25 [CBG2015] 10048 RG* 16 16 42.497 -23 02 08.34   16.525 15.402     ~ 1 0
26 [CBG2015] 10043 RG* 16 16 42.766 -23 02 09.29   16.643 15.475     ~ 1 0
27 [CBG2015] 10381 RG* 16 16 43.487 -22 59 21.72   17.554 16.490     ~ 1 0
28 [CBG2015] 12616 RG* 16 16 48.445 -23 01 28.57   17.090 16.039     ~ 1 0
29 [CBG2015] 13619 RG* 16 16 49.079 -23 00 22.62   15.596 14.304     ~ 1 0
30 [CBG2015] 2062 RG* 16 16 49.577 -22 54 00.79   16.672 15.548     ~ 1 0
31 [CBG2015] 16263 RG* 16 16 50.386 -22 58 37.14   17.549 16.531     ~ 1 0
32 [CBG2015] 11414 RG* 16 16 50.393 -23 07 35.17   15.909 14.743     ~ 1 0
33 [CBG2015] 2869 RG* 16 16 51.395 -22 47 18.95   17.815 16.752     ~ 1 0
34 [CBG2015] 16827 RG* 16 16 51.460 -22 58 16.28   17.737 16.730     ~ 1 0
35 [CBG2015] 20002 RG* 16 16 51.865 -22 55 24.87   16.019 14.806     ~ 1 0
36 [CBG2015] 15878 RG* 16 16 52.285 -22 58 51.14   17.242 16.170     ~ 1 0
37 2MASS J16165253-2258354 RG* 16 16 52.53840 -22 58 35.4036   15.162 13.651     ~ 2 0
38 [CBG2015] 12980 RG* 16 16 52.591 -23 00 56.61   16.723 15.584     ~ 1 0
39 [CBG2015] 11776 RG* 16 16 52.809 -23 04 41.90   15.606 14.325     ~ 1 0
40 2MASS J16165368-2256483 RG* 16 16 53.68200 -22 56 48.3576   14.880 13.231     ~ 2 0
41 [CBG2015] 17987 RG* 16 16 54.182 -22 57 31.35   15.322 13.945     ~ 1 0
42 [CBG2015] 16949 RG* 16 16 54.222 -22 58 09.94   17.664 16.630     ~ 1 0
43 [CBG2015] 15981 RG* 16 16 54.520 -22 58 45.70   16.895 15.817     ~ 1 0
44 [CBG2015] 15405 RG* 16 16 55.040 -22 59 06.48   17.471 16.402     ~ 1 0
45 [CBG2015] 16795 RG* 16 16 55.146 -22 58 15.10   17.140 16.074     ~ 1 0
46 [CBG2015] 14418 RG* 16 16 56.053 -22 59 43.45   16.904 15.799     ~ 1 0
47 [CBG2015] 19752 RG* 16 16 56.059 -22 55 52.33   15.470 14.142     ~ 1 0
48 2MASS J16165617-2259091 RG* 16 16 56.17416 -22 59 09.1968   15.049 13.505     ~ 2 0
49 [CBG2015] 17407 RG* 16 16 56.217 -22 57 52.35   17.520 16.411     ~ 1 0
50 [CBG2015] 16066 RG* 16 16 56.293 -22 58 41.41   15.786 14.472     ~ 1 0
51 [CBG2015] 2561 RG* 16 16 56.393 -22 50 18.41   17.311 16.210     ~ 1 0
52 2MASS J16165646-2258036 RG* 16 16 56.46360 -22 58 03.6840   15.336 13.973     ~ 2 0
53 [CBG2015] 14779 RG* 16 16 56.477 -22 59 29.30   16.422 15.233     ~ 1 0
54 [CBG2015] 19157 RG* 16 16 56.586 -22 56 36.99   17.710 16.702     ~ 1 0
55 [CBG2015] 16757 RG* 16 16 57.075 -22 58 14.96   17.748 16.679     ~ 1 0
56 2MASS J16165729-2257330 RG* 16 16 57.29616 -22 57 33.0840   14.895 13.225     ~ 2 0
57 [CBG2015] 15604 RG* 16 16 57.302 -22 58 57.41   17.151 16.043     ~ 1 0
58 [CBG2015] 13274 RG* 16 16 57.362 -23 00 35.46   17.563 16.549     ~ 1 0
59 [CBG2015] 19800 RG* 16 16 57.631 -22 55 45.88   15.912 14.667     ~ 1 0
60 [CBG2015] 19341 RG* 16 16 57.647 -22 56 25.33   17.524 16.496     ~ 1 0
61 [CBG2015] 15914 RG* 16 16 57.691 -22 58 45.94   16.228 15.035     ~ 1 0
62 2MASS J16165803-2259004 RG* 16 16 58.03752 -22 59 00.4812   16.172 14.971     ~ 2 0
63 2MASS J16165810-2302112 RG* 16 16 58.10376 -23 02 11.2128   16.307 15.129     ~ 2 0
64 [CBG2015] 17206 RG* 16 16 58.129 -22 57 58.39   15.423 14.075     ~ 1 0
65 2MASS J16165818-2256555 RG* 16 16 58.18152 -22 56 55.5540   15.953 14.738     ~ 2 0
66 [CBG2015] 18293 RG* 16 16 58.262 -22 57 16.67   15.913 14.690     ~ 1 0
67 [CBG2015] 18723 RG* 16 16 58.357 -22 56 58.29   17.795 16.766     ~ 1 0
68 2MASS J16165865-2300229 RG* 16 16 58.65936 -23 00 22.9608   15.174 13.634     ~ 2 0
69 [CBG2015] 14570 RG* 16 16 58.755 -22 59 35.71   17.224 16.140     ~ 1 0
70 [CBG2015] 17397 RG* 16 16 58.808 -22 57 51.03   16.324 15.153     ~ 1 0
71 2MASS J16165894-2259095 RG* 16 16 58.94112 -22 59 09.5316   15.655 14.285     ~ 2 0
72 [CBG2015] 2174 RG* 16 16 58.972 -22 53 15.44   17.113 16.040     ~ 1 0
73 [CBG2015] 11109 RG* 16 16 59.522 -23 10 12.84   16.593 15.467     ~ 1 0
74 [CBG2015] 14656 RG* 16 17 00.151 -22 59 31.98   15.320 13.849     ~ 1 0
75 [CBG2015] 13237 RG* 16 17 00.267 -23 00 35.47   17.383 16.342     ~ 1 0
76 [CBG2015] 17904 RG* 16 17 00.650 -22 57 30.48   17.623 16.572     ~ 1 0
77 [CBG2015] 11801 RG* 16 17 01.648 -23 04 20.90   17.766 16.749     ~ 1 0
78 [CBG2015] 14508 RG* 16 17 01.650 -22 59 36.50   17.284 16.211     ~ 1 0
79 2MASS J16170177-2301366 RG* 16 17 01.77768 -23 01 36.6924   17.603 16.530     ~ 2 0
80 2MASS J16170187-2259577 RG* 16 17 01.87032 -22 59 57.7140   15.499 14.070     ~ 2 0
81 UCAC4 337-079814 PM* 16 17 02.0142372995 -22 46 54.607862316   14.872 13.324 12.937   ~ 1 1
82 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 715 0
83 [CBG2015] 14153 RG* 16 17 02.846 -22 59 50.07   15.051 13.445     ~ 1 0
84 [CBG2015] 17991 RG* 16 17 03.171 -22 57 25.28   16.716 15.622     ~ 1 0
85 2MASS J16170374-2259463 RG* 16 17 03.7472989508 -22 59 46.482260248   15.002 13.106     ~ 3 0
86 2MASS J16170425-2257288 RG* 16 17 04.25376 -22 57 28.8684   14.844 13.094     ~ 2 0
87 [CBG2015] 2232 RG* 16 17 04.518 -22 52 50.85   16.877 15.760     ~ 1 0
88 [CBG2015] 14148 RG* 16 17 04.534 -22 59 49.26   15.332 13.949     ~ 1 0
89 [CBG2015] 12718 RG* 16 17 04.535 -23 01 09.26   16.159 14.955     ~ 1 0
90 [CBG2015] 13452 RG* 16 17 04.971 -23 00 20.44   14.980 13.392     ~ 1 0
91 [CBG2015] 14766 RG* 16 17 05.453 -22 59 24.08   17.753 16.733     ~ 1 0
92 Cl* NGC 6093 SAW V30 * 16 17 05.54 -22 57 42.6   15.149 13.219     ~ 2 0
93 [CBG2015] 15072 RG* 16 17 05.708 -22 59 12.17   15.891 14.613     ~ 1 0
94 [CBG2015] 19970 RG* 16 17 06.220 -22 55 20.19   15.739 14.510     ~ 1 0
95 [CBG2015] 13045 RG* 16 17 06.625 -23 00 42.81   17.385 16.343     ~ 1 0
96 [CBG2015] 14062 RG* 16 17 06.691 -22 59 51.33   16.442 15.279     ~ 1 0
97 [CBG2015] 17060 RG* 16 17 06.772 -22 57 57.67   17.467 16.444     ~ 1 0
98 [CBG2015] 15600 RG* 16 17 06.878 -22 58 51.15   16.498 15.343     ~ 1 0
99 [CBG2015] 11471 RG* 16 17 06.911 -23 06 56.59   17.640 16.557     ~ 1 0
100 2MASS J16170707-2257272 RG* 16 17 07.07448 -22 57 27.2700   14.914 13.228     ~ 2 0
101 ATO J244.2795-22.9751 RG* 16 17 07.1005850240 -22 58 30.379533515   14.782 12.891 12.753   ~ 5 0
102 [CBG2015] 15568 RG* 16 17 07.379 -22 58 52.04   17.651 16.654     ~ 1 0
103 [CBG2015] 13385 RG* 16 17 07.422 -23 00 22.46   16.020 14.780     ~ 1 0
104 2MASS J16170755-2301569 RG* 16 17 07.55736 -23 01 56.9820   16.138 14.918     ~ 2 0
105 [CBG2015] 14136 RG* 16 17 07.610 -22 59 47.89   17.676 16.607     ~ 1 0
106 [CBG2015] 19062 RG* 16 17 07.678 -22 56 35.30   17.757 16.751     ~ 1 0
107 2MASS J16170810-2257190 RG* 16 17 08.10024 -22 57 19.0440   15.244 13.906     ~ 2 0
108 [CBG2015] 15750 RG* 16 17 08.298 -22 58 44.89   16.941 15.882     ~ 1 0
109 [CBG2015] 12101 RG* 16 17 08.979 -23 02 34.91   16.708 15.635     ~ 1 0
110 [CBG2015] 17415 RG* 16 17 09.311 -22 57 43.21   17.359 16.341     ~ 1 0
111 2MASS J16170970-2258023 RG* 16 17 09.70224 -22 58 02.3448   16.681 15.534     ~ 2 0
112 [CBG2015] 11620 RG* 16 17 10.372 -23 05 42.59   16.942 15.838     ~ 1 0
113 2MASS J16171052-2300153 RG* 16 17 10.52112 -23 00 15.3756   16.095 14.882     ~ 2 0
114 [CBG2015] 2096 RG* 16 17 10.711 -22 53 34.31   17.839 16.784     ~ 1 0
115 [CBG2015] 14944 RG* 16 17 10.740 -22 59 13.71   17.562 16.545     ~ 1 0
116 [CBG2015] 15563 RG* 16 17 10.882 -22 58 49.82   15.649 14.377     ~ 1 0
117 [CBG2015] 19364 RG* 16 17 11.322 -22 56 14.87   16.621 15.478     ~ 1 0
118 [CBG2015] 2345 RG* 16 17 11.754 -22 51 56.33   17.294 16.196     ~ 1 0
119 [CBG2015] 17969 RG* 16 17 12.093 -22 57 20.11   16.107 14.937     ~ 1 0
120 [CBG2015] 20129 RG* 16 17 12.260 -22 54 49.02   17.532 16.498     ~ 1 0
121 [CBG2015] 15578 RG* 16 17 12.494 -22 58 48.35   17.605 16.599     ~ 1 0
122 [CBG2015] 12640 RG* 16 17 13.881 -23 01 09.90   16.662 15.539     ~ 1 0
123 [CBG2015] 2594 RG* 16 17 13.948 -22 49 50.86   17.438 16.390     ~ 1 0
124 [CBG2015] 11178 RG* 16 17 14.104 -23 09 26.86   15.905 14.658     ~ 1 0
125 [CBG2015] 11165 RG* 16 17 15.069 -23 09 31.55   17.263 16.128     ~ 1 0
126 [CBG2015] 19235 RG* 16 17 15.771 -22 56 19.44   16.829 15.652     ~ 1 0
127 [CBG2015] 12014 RG* 16 17 17.638 -23 02 51.73   17.577 16.534     ~ 1 0
128 [CBG2015] 11607 RG* 16 17 19.568 -23 05 43.10   16.914 15.771     ~ 1 0
129 2MASS J16171989-2256451 RG* 16 17 19.89072 -22 56 45.1572   16.127 14.984     ~ 2 0
130 [CBG2015] 13025 RG* 16 17 20.114 -23 00 35.19   17.725 16.666     ~ 1 0
131 [CBG2015] 22073 RG* 16 17 27.114 -22 55 41.30   17.465 16.432     ~ 1 0
132 [CBG2015] 22054 RG* 16 17 27.715 -22 55 48.85   16.279 15.099     ~ 1 0
133 [CBG2015] 261 RG* 16 17 28.956 -22 52 00.45   17.527 16.451     ~ 1 0
134 [CBG2015] 20397 RG* 16 17 29.012 -23 09 12.71   15.022 13.483     ~ 1 0
135 [CBG2015] 22152 RG* 16 17 29.577 -22 55 02.80   16.878 15.803     ~ 1 0
136 [CBG2015] 20672 RG* 16 17 30.924 -23 06 54.44   16.273 15.117     ~ 1 0
137 [CBG2015] 370 RG* 16 17 32.927 -22 50 43.27   17.606 16.512     ~ 1 0
138 [CBG2015] 22172 RG* 16 17 34.176 -22 54 50.14   17.772 16.743     ~ 1 0
139 [CBG2015] 21566 RG* 16 17 35.572 -22 59 27.18   17.311 16.260     ~ 1 0
140 [CBG2015] 20625 RG* 16 17 36.604 -23 07 10.64   17.839 16.759     ~ 1 0
141 [CBG2015] 21044 RG* 16 17 37.192 -23 03 35.01   17.721 16.670     ~ 1 0
142 [CBG2015] 21341 RG* 16 17 38.101 -23 01 11.64   16.009 14.807     ~ 1 0
143 [CBG2015] 20818 RG* 16 17 40.102 -23 05 34.62   17.648 16.629     ~ 1 0
144 [CBG2015] 22156 RG* 16 17 40.248 -22 54 53.51   17.667 16.660     ~ 1 0
145 [CBG2015] 208 RG* 16 17 40.913 -22 52 15.93   17.761 16.675     ~ 1 0
146 [CBG2015] 21402 RG* 16 17 44.697 -23 00 39.46   16.757 15.691     ~ 1 0
147 [CBG2015] 20681 RG* 16 17 45.568 -23 06 39.31   14.896 13.446     ~ 1 0
148 [CBG2015] 21722 RG* 16 17 46.395 -22 58 14.72   16.759 15.628     ~ 1 0
149 [CBG2015] 21350 RG* 16 17 47.873 -23 01 02.40   16.913 15.748     ~ 1 0
150 [CBG2015] 21679 RG* 16 17 51.520 -22 58 26.19   15.889 14.708     ~ 1 0
151 [CBG2015] 21871 RG* 16 17 51.915 -22 57 09.61   17.162 16.038     ~ 1 0
152 [CBG2015] 21852 RG* 16 17 55.670 -22 57 14.55   15.827 14.564     ~ 1 0
153 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1849 0
154 NGC 6388 GlC 17 36 17.461 -44 44 08.34           ~ 913 1
155 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 1975 0
156 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14414 0
157 NGC 6441 GlC 17 50 13.06 -37 03 05.2           ~ 884 0
158 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1378 0
159 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1068 0
160 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2000 0
161 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 853 0
162 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1127 0
163 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3139 0
164 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1048 0
165 NAME Local Group GrG ~ ~           ~ 8389 0

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