2017MNRAS.466.1010S

Query : 2017MNRAS.466.1010S

2017MNRAS.466.1010S - Mon. Not. R. Astron. Soc., 466, 1010-1018 (2017/March-3)

APOGEE chemical abundances of globular cluster giants in the inner Galaxy.

SCHIAVON R.P., JOHNSON J.A., FRINCHABOY P.M., ZASOWSKI G., MESZAROS S., GARCIA-HERNANDEZ D.A., COHEN R.E., TANG B., VILLANOVA S., GEISLER D., BEERS T.C., FERNANDEZ-TRINCADO J.G., GARCIA PEREZ A.E., LUCATELLO S., MAJEWSKI S.R., MARTELL S.L., O'CONNELL R.W., ALLENDE PRIETO C., BIZYAEV D., CARRERA R., LANE R.R., MALANUSHENKO E., MALANUSHENKO V., MUNOZ R.R., NITSCHELM C., ORAVETZ D., PAN K., ROMAN-LOPES A., SCHULTHEIS M. and SIMMONS A.

Abstract (from CDS):

We report chemical abundances obtained by Sloan Digital Sky Survey (SDSS)-III/Apache Point Observatory Galactic Evolution Experiment for giant stars in five globular clusters located within 2.2 kpc of the Galactic Centre. We detect the presence of multiple stellar populations in four of those clusters (NGC 6553, NGC 6528, Terzan 5 and Palomar 6) and find strong evidence for their presence in NGC 6522. All clusters with a large enough sample present a significant spread in the abundances of N, C, Na and Al, with the usual correlations and anticorrelations between various abundances seen in other globular clusters. Our results provide important quantitative constraints on theoretical models for self-enrichment of globular clusters, by testing their predictions for the dependence of yields of elements such as Na, N, C and Al on metallicity. They also confirm that, under the assumption that field N-rich stars originate from globular cluster destruction, they can be used as tracers of their parental systems in the high-metallicity regime.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

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

Simbad objects: 48

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Number of rows : 48
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 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
3 M 3 GlC 13 42 11.62 +28 22 38.2     6.39     ~ 2593 0
4 M 5 GlC 15 18 33.22 +02 04 51.7     5.95     ~ 2095 0
5 M 107 GlC 16 32 31.86 -13 03 13.6           ~ 835 0
6 2MASS J17434071-2613528 RG* 17 43 40.7155892472 -26 13 52.871743236           ~ 11 0
7 ESO 520-21 GlC 17 43 42.20 -26 13 21.0           ~ 211 0
8 2MASS J17434331-2610217 RG* 17 43 43.3093683912 -26 10 21.816493788           ~ 9 0
9 2MASS J17434675-2616068 RG* 17 43 46.751 -26 16 06.87           ~ 12 0
10 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
11 2MASS J17475169-2443153 LP? 17 47 51.7018095958 -24 43 14.936561011           ~ 10 0
12 2MASS J17480088-2447295 RG* 17 48 00.8796476914 -24 47 29.600031057           ~ 12 0
13 Cl Terzan 5 Cl* 17 48 05.00 -24 46 48.0           ~ 948 1
14 2MASS J17480576-2445000 RG* 17 48 05.7603252565 -24 45 00.001304574           ~ 15 0
15 2MASS J17480668-2447374 RG* 17 48 06.6753932232 -24 47 37.359883176           ~ 13 0
16 2MASS J17480857-2446033 RG* 17 48 08.5679395152 -24 46 03.271463760           ~ 12 0
17 2MASS J17481414-2446299 RG* 17 48 14.1371351136 -24 46 29.962985844           ~ 12 0
18 2MASS J17483971-2452162 * 17 48 39.7040141136 -24 52 16.309768188           ~ 9 0
19 ISOGAL-P J180323.6-300159 RG* 18 03 23.5582252344 -30 01 59.005714548     13.804   11.744 ~ 42 0
20 NGC 6522 GlC 18 03 34.08 -30 02 02.3           ~ 569 0
21 2MASS J18044775-3003469 RG* 18 04 47.7709635240 -30 03 46.977830676     16.42     ~ 15 0
22 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 561 0
23 2MASS J18045107-3002378 RG* 18 04 51.080 -30 02 37.81           ~ 13 0
24 2MASS J18053866-3008454 RG* 18 05 38.6693984184 -30 08 45.496223268           ~ 9 0
25 2MASS J18082912-2548259 * 18 08 29.1228440688 -25 48 26.010712404           ~ 9 0
26 OGLE BLG-LPV-217981 LP* 18 08 43.1954242872 -25 47 04.216226856     17.866   13.772 ~ 10 0
27 2MASS J18084368-2557107 RG* 18 08 43.6749771504 -25 57 10.969417512           ~ 10 0
28 2MASS J18085726-2558403 * 18 08 57.2648217528 -25 58 40.381991688           ~ 5 0
29 OGLE BLG-LPV-218726 LP* 18 08 57.924 -25 47 26.72     19.190   14.941 ~ 9 0
30 2MASS J18090968-2554574 RG* 18 09 09.6986049432 -25 54 57.331436616           ~ 10 0
31 2MASS J18091335-2548357 RG* 18 09 13.351 -25 48 35.76           ~ 8 0
32 2MASS J18091466-2552275 RG* 18 09 14.6672588712 -25 52 27.434298216           ~ 12 0
33 2MASS J18091564-2556008 RG* 18 09 15.6538390560 -25 56 00.768838560           ~ 11 0
34 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 644 0
35 2MASS J18091666-2554424 RG* 18 09 16.6686508872 -25 54 42.410720268           ~ 9 0
36 2MASS J18091912-2553326 RG* 18 09 19.129 -25 53 32.68           ~ 9 0
37 2MASS J18092147-2556039 RG* 18 09 21.4792187664 -25 56 04.101801180           ~ 11 0
38 UCAC4 321-138687 ** 18 09 22.34592 -25 54 38.1276       14.802   ~ 9 0
39 UCAC4 321-138691 RG* 18 09 22.4373707762 -25 57 59.348188132       15.204   ~ 12 0
40 2MASS J18092650-2541199 * 18 09 26.5053375888 -25 41 19.849154532           ~ 8 0
41 2MASS J18092826-2558233 RG* 18 09 28.2667400832 -25 58 23.390899932           ~ 9 0
42 2MASS J18093498-2549038 RG* 18 09 34.9786444512 -25 49 03.767011068           ~ 10 0
43 2MASS J18094548-2554255 RG* 18 09 45.485 -25 54 25.51           ~ 10 0
44 2MASS J18095105-2600134 * 18 09 51.0387773616 -26 00 13.384351080           ~ 7 0
45 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
46 NGC 6760 GlC 19 11 12.06 +01 01 49.7   11.37 9.78     ~ 264 0
47 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
48 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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