2017A&A...606A..71S


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.03CEST22:29:25

2017A&A...606A..71S - Astronomy and Astrophysics, volume 606A, 71-71 (2017/10-1)

Zinc abundances in the Sculptor dwarf spheroidal galaxy.

SKULADOTTIR A., TOLSTOY E., SALVADORI S., HILL V. and PETTINI M.

Abstract (from CDS):

From ESO VLT/FLAMES/GIRAFFE spectra, abundance measurements of Zn have been made in ~=100 individual red giant branch (RGB) stars in the Sculptor dwarf spheroidal galaxy. This is the largest sample of individual Zn abundance measurements within a stellar system beyond the Milky Way. In the observed metallicity range, -2.7≥[Fe/H]≥-0.9, the general trend of Zn abundances in Sculptor is similar to that of α-elements. That is, super-solar abundance ratios of [Zn/Fe] at low metallicities, which decrease with increasing [Fe/H], eventually reaching subsolar values. However, at the higher metallicities in Sculptor, [Fe/H]≥-1.8, we find a significant scatter, -0.8≥[Zn/Fe]≥+0.4, which is not seen in any α-element. Our results are consistent with previous observations of a limited number of stars in Sculptor and in other dwarf galaxies. These results suggest that zinc has a complex nucleosynthetic origin, behaving neither completely like an α- nor an iron-peak element.

Abstract Copyright: © ESO, 2017

Journal keyword(s): stars: abundances - galaxies: abundances - galaxies: dwarf - galaxies: evolution - Local Group - Local Group

VizieR on-line data: <Available at CDS (J/A+A/606/A71): table2.dat table3.dat table4.dat xtargets.dat>

Simbad objects: 110

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Number of rows : 110

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 2MASS J00590860-3342295 RG* 00 59 08.6093479605 -33 42 29.641891071     17.975   16.89 ~ 11 0
2 2MASS J00591134-3337281 RG* 00 59 11.3463035745 -33 37 28.217967085     17.876   16.65 ~ 5 0
3 2MASS J00591183-3341252 RG* 00 59 11.8369452711 -33 41 25.396799537     17.476     ~ 6 0
4 UCAC4 282-001099 Pe* 00 59 12.099 -33 46 20.87       16.36 15.98 ~ 6 0
5 2MASS J00591514-3339438 RG* 00 59 15.1362238168 -33 39 43.993567074     18.060   16.9 ~ 4 0
6 2MASS J00591515-3342547 RG* 00 59 15.1496433830 -33 42 54.829220192     17.651   16.34 ~ 6 0
7 2MASS J00591884-3342175 RG* 00 59 18.8519426693 -33 42 17.660764237     17.599   16.23 ~ 6 0
8 2MASS J00592065-3348566 RG* 00 59 20.6548592684 -33 48 56.733864547     17.136     ~ 6 0
9 2MASS J00592081-3344049 RG* 00 59 20.8106118012 -33 44 04.966883247     17.210     ~ 7 0
10 2MASS J00592213-3349037 RG* 00 59 22.1276580242 -33 49 03.819511694     17.969   16.75 ~ 5 0
11 2MASS J00592830-3342073 RG* 00 59 28.2992623536 -33 42 07.403794654     17.118   15.405 M1 14 0
12 GB07 Scl13 RR* 00 59 30.4429072186 -33 36 05.178640251     17.947   16.732 ~ 11 0
13 GB07 Scl26 RR* 00 59 30.4983318636 -33 39 04.089427252     17.981     ~ 6 0
14 2MASS J00593500-3350557 RG* 00 59 35.0239905915 -33 50 55.930506928     18.235     ~ 5 0
15 2MASS J00593698-3330283 RG* 00 59 36.9963426385 -33 30 28.412503739     17.706   16.43 ~ 7 0
16 2MASS J00593723-3337106 RG* 00 59 37.2295840144 -33 37 10.671926460     17.608     ~ 6 0
17 2MASS J00593757-3343336 RG* 00 59 37.5754058506 -33 43 33.609396926     18.012   16.734 ~ 8 0
18 2MASS J00593774-3336000 RG* 00 59 37.7514924597 -33 36 00.132984544     17.541   16.19 ~ 6 0
19 2MASS J00593811-3335080 RG* 00 59 38.1222481992 -33 35 08.121117005     17.537   16.157 ~ 10 0
20 2MASS J00594045-3335539 RG* 00 59 40.4694526442 -33 35 53.981473077     17.699   16.427 ~ 8 0
21 2MASS J00594140-3338470 RG* 00 59 41.4061050853 -33 38 47.129895415     17.615     ~ 6 0
22 2MASS J00594193-3345027 RG* 00 59 41.939 -33 45 02.75     18.337     ~ 3 0
23 2MASS J00594258-3342182 RG* 00 59 42.5846361567 -33 42 18.220189729   18.95 17.563   16.15 ~ 7 0
24 2MASS J00594490-3344350 RG* 00 59 44.9118671791 -33 44 35.088448485     18.126   16.829 ~ 7 0
25 GB07 Scl57 RR* 00 59 45.3193292526 -33 43 53.848530361   19.01 17.913   16.689 ~ 9 0
26 2MASS J00594641-3341233 RG* 00 59 46.4184190436 -33 41 23.404479563     17.304   15.695 ~ 15 0
27 2MASS J00594721-3333370 RG* 00 59 47.2195904322 -33 33 37.071502929     17.608     ~ 9 0
28 2MASS J00594768-3347293 RG* 00 59 47.6780627636 -33 47 29.414180730     17.814   16.426 M 11 0
29 2MASS J00594992-3344050 RG* 00 59 49.91 -33 44 05.0   18.92 17.827   16.57 ~ 6 0
30 [CDB2005] 7-3-243 RR* 00 59 50.7907374816 -33 31 47.229582154           ~ 3 0
31 [STS2015] ET0112 * 00 59 52.2831143803 -33 44 54.732756262   18.57 17.150   15.743 ~ 9 0
32 2MASS J00595284-3345186 * 00 59 52.8532657643 -33 45 18.794416648   19.13 18.023   16.907 ~ 7 0
33 2MASS J00595306-3343583 RG* 00 59 53.0837524908 -33 43 58.554406000   19.52 18.470   17.31 ~ 6 0
34 2MASS J00595400-3337421 RG* 00 59 53.9906119767 -33 37 42.190887060   18.98 17.847   16.568 ~ 9 0
35 2MASS J00595422-3340270 RG* 00 59 54.2190683252 -33 40 27.065146835   18.84 17.480   16.044 ~ 11 0
36 GB07 Scl23 RR* 00 59 54.4771752926 -33 37 53.478489651   18.76 17.770   16.608 ~ 10 0
37 2MASS J00595563-3333246 RG* 00 59 55.6380234837 -33 33 24.702775226     16.890     ~ 7 0
38 2MASS J00595568-3346400 RG* 00 59 55.6840300710 -33 46 40.035965746   18.48 17.233   15.845 ~ 11 0
39 2MASS J00595586-3345435 RG* 00 59 55.8739768772 -33 45 43.665124393   19.41 18.356   17.188 ~ 9 0
40 2MASS J00595660-3336417 RG* 00 59 56.6033028097 -33 36 41.785621224   18.64 17.434     ~ 6 0
41 2MASS J00595698-3344168 * 00 59 56.9761110135 -33 44 16.825988837   19.54 18.271   17.052 ~ 7 0
42 GB07 Scl24 RR* 00 59 57.6069093624 -33 38 32.486453629   19.08 17.940   16.677 ~ 10 0
43 2MASS J00595826-3345507 RG* 00 59 58.2472608225 -33 45 50.680025618   19.01 17.723   16.367 ~ 11 0
44 2MASS J00595827-3341087 RG* 00 59 58.2618061098 -33 41 08.667881967   18.89 17.679   16.324 ~ 14 0
45 2MASS J00595831-3334406 RG* 00 59 58.3136651899 -33 34 40.468090655     17.983   16.7 ~ 6 0
46 2MASS J00595966-3339319 RG* 00 59 59.6483764242 -33 39 31.889968365   19.15 18.031   16.806 ~ 9 0
47 2MASS J01000005-3345287 RR* 01 00 00.0487770377 -33 45 28.844110900   19.28 18.328   17.277 ~ 8 0
48 2MASS J01000050-3349355 RG* 01 00 00.5006906608 -33 49 35.622413545     17.512     ~ 6 0
49 GB07 Scl34 RG* 01 00 02.23 -33 40 21.1     18.008   16.779 ~ 7 0
50 2MASS J01000268-3330253 RG* 01 00 02.6925537163 -33 30 25.305872094     18.017   16.69 ~ 7 0
51 2MASS J01000360-3339271 RG* 01 00 03.6011528547 -33 39 27.083875433     17.607   16.233 ~ 9 0
52 2MASS J01000419-3343324 RG* 01 00 04.1648181392 -33 43 32.439025859   19.12 18.068   16.916 ~ 9 0
53 GB07 Scl74 RR* 01 00 05.9359191213 -33 45 56.442530300   19.02 17.964   16.715 ~ 11 0
54 2MASS J01000697-3347095 RG* 01 00 06.9733484435 -33 47 09.509992719   18.99 17.942   16.596 ~ 10 0
55 2MASS J01000758-3337039 RG* 01 00 07.5807979448 -33 37 03.875286055   18.74 17.457   16.185 ~ 11 0
56 2MASS J01000919-3336094 RG* 01 00 09.1889481120 -33 36 09.408335424   19.07 17.924   16.657 ~ 10 0
57 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1116 4
58 [STS2015] ET0206 RG* 01 00 10.3955700945 -33 41 04.749827913   19.27 18.086   16.852 ~ 10 0
59 2MASS J01001051-3349366 RG* 01 00 10.4927157893 -33 49 36.750937791   18.98 17.829   16.533 ~ 9 0
60 GB07 Scl67 RR* 01 00 11.7318455581 -33 44 50.369167235   18.84 17.809   16.58 ~ 9 0
61 2MASS J01001181-3342169 RG* 01 00 11.7997683110 -33 42 16.973405580   19.05 17.786   16.44 ~ 7 0
62 2MASS J01001255-3343011 RG* 01 00 12.5297795196 -33 43 01.361019186   19.23 18.125   16.897 ~ 15 0
63 2MASS J01001278-3341157 RG* 01 00 12.7788555195 -33 41 15.834372068   18.48 17.280   15.833 ~ 14 0
64 2MASS J01001397-3336391 RG* 01 00 13.9555290650 -33 36 39.214616493   19.05 17.847   16.521 ~ 9 0
65 2MASS J01001452-3347501 RR* 01 00 14.4997722330 -33 47 50.546597358   18.85 17.936   16.877 ~ 8 0
66 2MASS J01001460-3347116 RG* 01 00 14.5774544543 -33 47 11.467517702   19.08 18.016   16.771 ~ 9 0
67 2MASS J01001483-3336498 RG* 01 00 14.8195713776 -33 36 49.887420906   19.11 17.965   16.709 ~ 9 0
68 2MASS J01001519-3343110 RG* 01 00 15.1843855536 -33 43 11.054162928   19.22 17.980   16.69 ~ 8 0
69 2MASS J01001537-3339060 RG* 01 00 15.3743756708 -33 39 06.075912241   18.73 17.287   15.840 ~ 10 0
70 SCMS 822 * 01 00 17.0895890704 -33 45 13.860920066   19.14 18.152   17.140 ~ 14 0
71 2MASS J01001736-3343595 RG* 01 00 17.3663925132 -33 43 59.629699119   19.01 17.947   16.692 ~ 9 0
72 2MASS J01001759-3346552 RG* 01 00 17.6015698950 -33 46 55.079942216   19.08 18.038   16.821 ~ 9 0
73 2MASS J01001777-3335597 RG* 01 00 17.7719833262 -33 35 59.741711258   18.82 17.345   15.818 ~ 10 0
74 2MASS J01001830-3342122 RG* 01 00 18.2971209926 -33 42 12.275746482   18.86 17.518   16.139 ~ 17 0
75 2MASS J01001897-3345147 RG* 01 00 18.9670563370 -33 45 14.790315596   18.74 17.677   16.437 ~ 11 0
76 SCMS 118 * 01 00 19.6228546241 -33 47 41.549214101   19.33 18.164   16.924 ~ 6 0
77 2MASS J01002000-3345446 * 01 00 19.9772628298 -33 45 44.741526121   19.42 18.148   16.931 ~ 7 0
78 2MASS J01002030-3335345 RG* 01 00 20.2978881059 -33 35 34.537620278   18.66 17.495     ~ 7 0
79 [STS2015] ET0145 * 01 00 20.7586004314 -33 47 10.955887678   18.64 17.392   16.068 C 11 0
80 2MASS J01002109-3333464 RG* 01 00 21.0880042926 -33 33 46.434764118     18.082   16.821 ~ 9 0
81 2MASS J01002118-3346012 RG* 01 00 21.1695393626 -33 46 01.178757993   19.17 18.004   16.7 ~ 7 0
82 2MASS J01002234-3350239 RG* 01 00 22.3297966352 -33 50 23.891577634     17.714   16.39 ~ 5 0
83 2MASS J01002298-3343021 RG* 01 00 22.9819250900 -33 43 02.244950640   18.94 17.485   15.982 ~ 12 0
84 2MASS J01002384-3342173 RG* 01 00 23.8408373454 -33 42 17.456597664   18.64 17.333   15.830 ~ 14 0
85 2MASS J01002463-3344287 RG* 01 00 24.6295780776 -33 44 28.871146731   18.88 17.783   16.470 ~ 11 0
86 2MASS J01002504-3342275 RG* 01 00 25.0460765547 -33 42 28.220003972   19.27 18.149   16.96 ~ 7 0
87 2MASS J01002531-3350506 RG* 01 00 25.3040488612 -33 50 50.660945315     17.109     ~ 7 0
88 2MASS J01002629-3344456 RG* 01 00 26.2906990103 -33 44 45.684814960   19.16 18.039   16.83 ~ 6 0
89 SCMS 446 * 01 00 29.4389201214 -33 42 56.202372816   18.91 17.528   16.221 ~ 7 0
90 SCMS 479 * 01 00 29.6383242557 -33 45 01.057603244   19.28 18.087   17.016 ~ 7 0
91 2MASS J01003039-3341439 * 01 00 30.3895344385 -33 41 43.990978552           ~ 3 0
92 SCMS 423 * 01 00 31.2306407346 -33 41 52.203805364   19.41 18.43     ~ 4 0
93 2MASS J01003294-3345241 * 01 00 32.9003502431 -33 45 24.485474655   19.25 18.111   17.009 ~ 7 0
94 2MASS J01003385-3344543 RG* 01 00 33.8624119154 -33 44 54.402917626   18.92 17.796   16.544 ~ 10 0
95 2MASS J01003395-3340082 RR* 01 00 33.9479970223 -33 40 08.201051207   18.44 17.411   16.263 ~ 7 0
96 2MASS J01003404-3339046 RG* 01 00 34.0453633294 -33 39 04.631818676   19.05 17.200   15.499 ~ 11 0
97 2MASS J01003432-3349528 RG* 01 00 34.3300240681 -33 49 52.787040934     17.869   16.495 ~ 9 0
98 [KGB2009] J010035.4-334659 * 01 00 35.451 -33 46 58.80     18.159   17.022 ~ 6 0
99 2MASS J01003813-3348168 RG* 01 00 38.1284527055 -33 48 16.894497874     17.212   15.730 ~ 9 0
100 SCMS 1179 * 01 00 41.9260951700 -33 40 09.063109813   19.35 18.44   17.19 ~ 4 0
101 SCMS 1204 * 01 00 42.4417042162 -33 43 09.095436194   18.42 16.983   15.576 ~ 13 0
102 2MASS J01004250-3344235 RG* 01 00 42.5022637693 -33 44 23.517963717   18.7 17.208   15.701 M 15 0
103 2MASS J01004427-3349188 RG* 01 00 44.2793764314 -33 49 18.836532534     17.478   16.006 ~ 10 0
104 2MASS J01005087-3345053 RG* 01 00 50.8766529690 -33 45 05.307859726     17.213     ~ 7 0
105 NAME Carina dSph G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 991 0
106 COS 171 RB? 15 08 04.9814533260 +67 14 00.720428829           ~ 11 0
107 NAME UMi Galaxy G 15 09 11.34 +67 12 51.7   13.60 10.6     ~ 1178 0
108 NAME Gal Center reg 17 45 40.04 -29 00 28.1           ~ 11533 0
109 NAME Galactic Bulge reg ~ ~           ~ 3387 0
110 NAME Local Group GrG ~ ~           ~ 6970 0

    Equat.    Gal    SGal    Ecl

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2020.07.03-22:29:25

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