2017A&A...600A.118C

Query : 2017A&A...600A.118C

2017A&A...600A.118C - Astronomy and Astrophysics, volume 600A118-118 (2017/4-1)

Chemical characterisation of the globular cluster NGC 5634 associated to the Sagittarius dwarf spheroidal galaxy.

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

Abstract (from CDS):

As part of our on-going project on the homogeneous chemical characterisation of multiple stellar populations in globular clusters (GCs), we studied NGC 5634, associated to the Sagittarius dwarf spheroidal galaxy, using high-resolution spectroscopy of red giant stars collected with VLT/FLAMES. We present here the radial velocity distribution of the 45 observed stars, 43 of which are cluster members, the detailed chemical abundance of 22 species for the seven stars observed with UVES-FLAMES, and the abundance of six elements for stars observed with GIRAFFE. On our homogeneous UVES metallicity scale, we derived a low-metallicity [Fe/H]=-1.867±0.019±0.065dex (± statistical ± systematic error) with σ=0.050dex (7 stars). We found the normal anticorrelations between light elements (Na and O, Mg and Al), a signature of multiple populations typical of massive and old GCs. We confirm the associations of NGC 5634 to the Sgr dSph, from which the cluster was lost a few Gyr ago, on the basis of its velocity and position, and the abundance ratios of α and neutron capture elements.

Abstract Copyright: © ESO, 2017

Journal keyword(s): stars: abundances - stars: atmospheres - stars: Population II - globular clusters: general - globular clusters: individual: NGC 5634 - globular clusters: individual: NGC 5634

VizieR on-line data: <Available at CDS (J/A+A/600/A118): table2.dat>

Simbad objects: 63

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Number of rows : 63
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 NAME Sagittarius Stream St* 02 22 +00.0           ~ 1001 0
2 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
3 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
4 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1540 0
5 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
6 NGC 4833 GlC 12 59 33.92 -70 52 35.4           ~ 467 0
7 Cl* NGC 5634 BFI 11 * 14 29 21.4580 -06 00 15.497     15.407   14.200 ~ 1 0
8 Cl* NGC 5634 BFI 152 * 14 29 26.8364864064 -05 58 19.543712880     17.526   16.536 ~ 1 0
9 Cl* NGC 5634 BFI 167 * 14 29 29.7732413232 -05 58 53.275756440     17.768   16.814 ~ 1 0
10 Cl* NGC 5634 BFI 135 * 14 29 29.7797090160 -06 02 40.003801872     17.399   16.374 ~ 1 0
11 Cl* NGC 5634 BFI 103 * 14 29 30.0453924840 -05 59 33.823746888     17.069   16.048 ~ 1 0
12 Cl* NGC 5634 BFI 2 RG* 14 29 30.0602689848 -05 58 39.402357780     14.776   13.295 ~ 9 0
13 2MASS J14293075-0600053 AB* 14 29 30.7540106256 -06 00 05.368310640     16.907   15.960 ~ 1 0
14 Cl* NGC 5634 BFI 194 * 14 29 32.1684962304 -06 01 49.933180776     17.961   17.031 ~ 1 0
15 Cl* NGC 5634 BFI 163 * 14 29 32.2197979776 -05 59 59.846918532     17.701   16.730 ~ 1 0
16 Cl* NGC 5634 BFI 60 * 14 29 32.3027303592 -05 58 57.566926992     16.622   15.555 ~ 1 0
17 Cl* NGC 5634 BFI 125 * 14 29 32.8610127360 -05 59 45.620339064     17.324   16.340 ~ 2 0
18 Cl* NGC 5634 BFI 5 RG* 14 29 33.4663764672 -06 00 23.833449000     14.967   13.593 ~ 10 0
19 Cl* NGC 5634 BFI 87 * 14 29 33.7499631672 -05 57 22.410046044     16.909   15.862 ~ 2 0
20 Cl* NGC 5634 BFI 142 * 14 29 34.45824 -05 59 35.7648     17.397   16.408 ~ 1 0
21 2MASS J14293469-0558400 AB* 14 29 34.6851026376 -05 58 40.077214608     16.066   14.969 ~ 2 0
22 Cl* NGC 5634 BFI 22 * 14 29 35.0744498208 -05 59 22.793988480     15.908   14.760 ~ 1 0
23 Cl* NGC 5634 BFI 182 * 14 29 35.2101928680 -05 57 26.359317972     17.891   16.908 ~ 1 0
24 Cl* NGC 5634 BFI 132 * 14 29 35.3389468800 -06 00 41.654956464     17.357   16.362 ~ 1 0
25 Cl* NGC 5634 BFI 54 * 14 29 35.7797635920 -05 57 51.754516128     16.576   15.477 ~ 2 0
26 2MASS J14293580-0559061 AB* 14 29 35.80272 -05 59 06.1944     16.736   15.801 ~ 1 0
27 2MASS J14293640-0558300 AB* 14 29 36.40944 -05 58 30.0144     16.629   15.611 ~ 1 0
28 2MASS J14293661-0558056 AB? 14 29 36.6045711624 -05 58 05.736762336     16.738   15.718 ~ 1 0
29 Cl* NGC 5634 BFI 7 * 14 29 36.83040 -05 58 53.6556     15.196   13.901 ~ 2 0
30 Cl* NGC 5634 BFI 13 * 14 29 37.2679127784 -05 57 25.817886684     15.505   14.258 ~ 2 0
31 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 333 0
32 Cl* NGC 5634 BFI 58 * 14 29 37.2814362168 -05 59 30.923335176     16.616   15.533 ~ 1 0
33 Cl* NGC 5634 BFI 12 * 14 29 37.3878181440 -05 59 18.509254836     15.437   14.212 ~ 2 0
34 Cl* NGC 5634 BFI 78 * 14 29 37.4375473968 -05 58 42.103168572     16.803   15.770 ~ 1 0
35 Cl* NGC 5634 BFI 46 AB* 14 29 37.9875508896 -05 57 56.653243848     16.332   15.280 ~ 1 0
36 Cl* NGC 5634 BFI 10 * 14 29 38.1569065560 -06 00 26.750157156     15.421   14.165 ~ 2 0
37 Cl* NGC 5634 BFI 45 AB* 14 29 38.2105632072 -05 58 13.305648972     16.342   15.276 ~ 1 0
38 Cl* NGC 5634 BFI 151 * 14 29 38.2595914848 -06 02 32.982762480     17.525   16.532 ~ 1 0
39 Cl* NGC 5634 BFI 70 * 14 29 38.7371832936 -05 57 57.449208780     16.773   15.684 ~ 1 0
40 Cl* NGC 5634 BFI 9 * 14 29 39.1184299440 -05 58 55.205214420     15.404   14.125 ~ 3 0
41 Cl* NGC 5634 BFI 35 * 14 29 39.4028259888 -06 00 12.193308828     16.199   15.069 ~ 2 0
42 Cl* NGC 5634 BFI 93 * 14 29 39.5636994936 -05 59 52.191785940     16.972   15.927 ~ 1 0
43 Cl* NGC 5634 BFI 189 * 14 29 39.5954920680 -06 00 39.849329700     17.923   16.970 ~ 1 0
44 Cl* NGC 5634 BFI 100 * 14 29 39.9633370224 -05 58 00.978506364     17.056   16.014 ~ 1 0
45 Cl* NGC 5634 BFI 19 * 14 29 40.1488863432 -05 59 03.347785716     15.903   14.722 ~ 1 0
46 Cl* NGC 5634 BFI 3 * 14 29 40.5102760368 -05 57 09.644001984     14.761   13.329 ~ 2 0
47 Cl* NGC 5634 BFI 173 * 14 29 40.82088 -05 57 59.1912     17.840   16.841 ~ 1 0
48 Cl* NGC 5634 BFI 146 * 14 29 40.8358168416 -06 00 07.477361460     17.425   16.429 ~ 1 0
49 Cl* NGC 5634 BFI 62 * 14 29 41.7901790568 -05 58 02.269047036     16.663   15.576 ~ 1 0
50 Cl* NGC 5634 BFI 169 * 14 29 46.1259397728 -05 59 19.732793280     17.795   16.818 ~ 1 0
51 Cl* NGC 5634 BFI 113 * 14 29 47.9808339192 -06 00 15.615387396     17.152   16.140 ~ 1 0
52 Cl* NGC 5634 BFI 10026 * 14 30 12.2629 -05 55 17.588     17.666   16.675 ~ 1 0
53 M 80 GlC 16 17 02.41 -22 58 33.9           ~ 780 0
54 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
55 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 1164 0
56 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
57 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 460 0
58 Cl Arp 2 GlC 19 28 44.11 -30 21 20.3     12.41     ~ 384 0
59 NGC 6805 Sy2 19 36 45.7088174616 -37 33 15.906571524   14.34   12.11   ~ 22 0
60 Cl Terzan 8 GlC 19 41 44.41 -33 59 58.1     11.54     ~ 357 0
61 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
62 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 1121 0
63 Cl Pal 12 GlC 21 46 38.84 -21 15 09.4     11.89     ~ 548 0

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