2007A&A...464..967C


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.13CEST16:10:49

2007A&A...464..967C - Astronomy and Astrophysics, volume 464, 967-981 (2007/3-4)

Na-O anticorrelation and horizontal branches. VI. The chemical composition of the peculiar bulge globular cluster NGC 6388.

CARRETTA E., BRAGAGLIA A., GRATTON R.G., MOMANY Y., RECIO-BLANCO A., CASSISI S., FRANCOIS P., JAMES G., LUCATELLO S. and MOEHLER S.

Abstract (from CDS):

We present the LTE abundance analysis of high resolution spectra for red giant stars in the peculiar bulge globular cluster NGC 6388. Spectra of seven members were taken using the UVES spectrograph at the ESO VLT2 and the multiobject FLAMES facility. We exclude any intrinsic metallicity spread in this cluster: on average, [Fe/H]=-0.44±0.01±0.03dex on the scale of the present series of papers, where the first error bar refers to individual star-to-star errors and the second is systematic, relative to the cluster. Elements involved in H-burning at high temperatures show large spreads, exceeding the estimated errors in the analysis. In particular, the pairs Na and O, Al and Mg are anticorrelated and Na and Al are correlated among the giants in NGC 6388, the typical pattern observed in all galactic globular clusters studied so far. Stars in NGC 6388 shows an excess of α-process elements, similar to the one found in the twin bulge cluster NGC 6441. Mn is found underabundant in NGC 6388, in agreement with the average abundance ratio shown by clusters of any metallicity. Abundances of neutron-capture elements are homogeneously distributed within NGC 6388; the [Eu/Fe] ratio stands above the value found in field stars of similar metallicity.

Abstract Copyright:

Journal keyword(s): stars: abundances - stars: atmospheres - stars: Population II - Galaxy: globular clusters: general - Galaxy: globular clusters: individual: NGC 6388

VizieR on-line data: <Available at CDS (J/A+A/464/967): table2.dat table3.dat>

Nomenclature: Table 2: Cl* NGC 6388 CBG NNNNNN N=13 among (Nos 77599-111970).

Simbad objects: 32

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Number of rows : 32

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3627 0
2 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1529 1
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 5902 1
4 NGC 2808 GlC 09 12 03.10 -64 51 48.6   7.77 5.69     ~ 1285 0
5 M 12 GlC 16 47 14.18 -01 56 54.7   8.52 6.07     ~ 597 0
6 ClG 1710-2507 ClG 17 13 39 -25 11.1           ~ 15 0
7 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 1935 0
8 Cl* NGC 6388 CBG 82375 * 17 35 21.0416763733 -44 43 41.631516155   17.305 15.522   13.595 ~ 1 0
9 Cl* NGC 6388 CBG 78569 * 17 35 24.7666727342 -44 47 18.614113386   17.085 15.328   13.438 ~ 1 0
10 Cl* NGC 6388 CBG 86759 * 17 35 28.0776304968 -44 39 05.004772229   17.587 15.629   12.972 ~ 1 0
11 Cl* NGC 6388 CBG 85915 * 17 35 49.5568071765 -44 39 59.736822213   17.506 15.618   13.355 ~ 1 0
12 Cl* NGC 6388 CBG 77599 * 17 35 53.60 -44 48 16.0   17.424 15.653   13.805 ~ 1 0
13 2MASS J17355370-4442561 RG* 17 35 53.709 -44 42 56.14   17.562 15.793   13.948 ~ 2 0
14 2MASS J17360222-4444328 RG* 17 36 02.228 -44 44 32.88   17.257 15.379   13.322 ~ 2 0
15 Cl* NGC 6388 CBG 111970 * 17 36 04.6327166018 -44 38 54.675644579   17.245 15.411   13.254 ~ 1 0
16 2MASS J17360692-4439292 RG* 17 36 06.924 -44 39 29.24   17.244 15.353   13.204 ~ 2 0
17 2MASS J17361279-4441506 RG* 17 36 12.797 -44 41 50.67   17.160 15.254   12.975 ~ 2 0
18 2MASS J17361518-4441272 RG* 17 36 15.189 -44 41 27.24   17.435 15.596   13.527 ~ 2 0
19 NGC 6388 GlC 17 36 17.461 -44 44 08.34   7.40       ~ 829 1
20 2MASS J17362855-4440095 RG* 17 36 28.554 -44 40 09.56   17.328 15.520   13.518 ~ 2 0
21 Cl* NGC 6388 CBG 110754 * 17 36 30.3734879500 -44 40 04.583473878   17.318 15.533   13.479 ~ 1 0
22 NGC 6397 GlC 17 40 42.09 -53 40 27.6   7.39 5.17     ~ 1829 1
23 NAME Galactic Center gam 17 45 39.60213 -29 00 22.0000           ~ 12098 0
24 NGC 6441 GlC 17 50 13.06 -37 03 05.2   9.26 8.00     ~ 790 0
25 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 477 0
26 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 546 0
27 NAME SDG G 18 55 03.1 -30 28 42   4.5 3.6     ~ 1828 2
28 NGC 6752 GlC 19 10 52.11 -59 59 04.4   6.96 6.28     ~ 1843 0
29 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 375 0
30 M 71 GlC 19 53 46.49 +18 46 45.1   7.91 6.1     ~ 1041 0
31 M 15 GlC 21 29 58.33 +12 10 01.2   3       ~ 2950 0
32 NAME Galactic Bulge reg ~ ~           ~ 3562 0

    Equat.    Gal    SGal    Ecl

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2021.04.13-16:10:49

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