2019MNRAS.482.1275U


Query : 2019MNRAS.482.1275U

2019MNRAS.482.1275U - Mon. Not. R. Astron. Soc., 482, 1275-1303 (2019/January-1)

The WAGGS project - II. The reliability of the calcium triplet as a metallicity indicator in integrated stellar light.

USHER C., BECKWITH T., BELLSTEDT S., ALABI A., CHEVALIER L., PASTORELLO N., CERULO P., DALGLEISH H.S., FRASER-MCKELVIE A., KAMANN S., PENNY S., FOSTER C., McDERMID R., SCHIAVON R.P. and VILLAUME A.

Abstract (from CDS):

Using data from the WiFeS Atlas of Galactic Globular cluster Spectra, we study the behaviour of the calcium triplet (CaT), a popular metallicity indicator in extragalactic stellar population studies. A major caveat of these studies is that the potential sensitivity to other stellar population parameters such as age, calcium abundance, and the initial mass function has not yet been empirically evaluated. Here, we present measurements of the strength of the CaT feature for 113 globular clusters in the Milky Way and its satellite galaxies. We derive empirical calibrations between the CaT index and both the iron abundance ([Fe/H]) and calcium abundance ([Ca/H]), finding a tighter relationship for [Ca/H] than for [Fe/H]. For stellar populations, 3 Gyr and older the CaT can be used to reliably measure [Ca/H] at the 0.1 dex level but becomes less reliable for ages of ∼2 Gyr and younger. We find that the CaT is relatively insensitive to the horizontal branch morphology. The stellar mass function however affects the CaT strengths significantly only at low metallicities. Using our newly derived empirical calibration, we convert our measured CaT indices into [Ca/H] values for the globular clusters in our sample.

Abstract Copyright: © 2018 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: abundances - globular clusters: general - galaxies: abundances - galaxies: star clusters: general - galaxies: stellar content

Status at CDS : Large table(s) of objects being ingested in VizieR.

Simbad objects: 126

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Number of rows : 126
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3730 0
2 ESO 28-19 Cl* 00 24 47 -72 47.7   11.6 12.05     ~ 139 0
3 NGC 121 GlC 00 26 49.0 -71 32 10   11.2 11.24     ~ 292 0
4 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11838 1
5 2MASX J00434551+4136578 GlC 00 43 45.4998657576 +41 36 57.605146668 16.746 16.097 15.193 14.565 14.18 ~ 85 0
6 HD 4388 PM* 00 46 27.0347136888 +30 57 05.644538892   8.45 7.30     K3III 36 0
7 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10258 1
8 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 987 0
9 NGC 330 Cl* 00 56 20.59 -72 27 12.5 9.37 9.76 9.55   8.89 ~ 386 0
10 HD 5916 PM* 01 01 19.0237779264 +45 27 07.392023460   7.749 6.863     G8III-IV 76 0
11 NGC 361 OpC 01 02 12.83 -71 36 16.2 12.86 12.43 11.77   10.70 ~ 97 0
12 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1014 0
13 NGC 411 Cl* 01 07 55.95 -71 46 04.5 13.05 12.63 12.10   11.11 ~ 100 0
14 NGC 416 Cl* 01 07 59.0 -72 21 20 12.73 12.55 11.76   10.71 ~ 136 1
15 NGC 419 OpC 01 08 17.79 -72 53 02.8 11.41 11.16 10.50   9.34 ~ 251 0
16 BD+72 94 PM* 01 47 12.3861117384 +73 28 27.195387600 10.10 10.33   9.8   sdF2: 103 0
17 * bet Ari SB* 01 54 38.41099 +20 48 28.9133 2.88 2.78 2.65 2.51 2.43 kA4hA5mA5Va 402 0
18 NAME Fornax H3 GlC 02 39 48.16 -34 15 28.6   13.59       ~ 118 0
19 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1615 1
20 NAME Fornax H4 GlC 02 40 07.697 -34 32 10.59   15.18 13.91 14.08   ~ 105 0
21 NAME Fornax H5 GlC 02 42 21.111 -34 06 05.80   14.5       ~ 95 0
22 HD 19445 PM* 03 08 25.5883873084 +26 19 51.400965175 8.29 8.52 8.06 7.60 7.27 G2VFe-3 753 0
23 V* X Ari RR* 03 08 30.8846437148 +10 26 45.218712967 9.45 9.25 8.97     F0.5 277 0
24 * kap Per PM* 03 09 29.8036400506 +44 51 26.849828627 5.62 4.79 3.81 3.07 2.57 G9.5IIIb 231 0
25 NGC 1407 GiG 03 40 11.904 -18 34 49.36   10.64 9.67 9.13   ~ 555 1
26 NGC 1466 GlC 03 44 33 -71 40.3   11.6 11.59     ~ 160 0
27 HD 25329 PM* 04 03 14.9979736362 +35 16 23.805785323 9.75 9.37 8.50 7.75 7.23 K1VbFe-2 354 0
28 NGC 1783 GlC 04 59 08.590 -65 59 15.84   10.9 10.93     ~ 236 0
29 NGC 1846 Cl* 05 07 34.900 -67 27 32.45   12.08 11.31     ~ 198 0
30 NGC 1850 Cl* 05 08 50.190 -68 45 35.65   8.84 8.96     ~ 248 1
31 NGC 1856 Cl* 05 09 30.290 -69 07 45.08   10.40 10.06     ~ 147 0
32 NGC 1866 GlC 05 13 38.920 -65 27 52.75           ~ 401 0
33 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1331 0
34 NGC 1916 Cl* 05 18 37.87 -69 24 22.9   11.16 10.38     ~ 86 0
35 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16065 1
36 * p Ori SB* 05 24 28.8969780456 -00 53 28.805349264   6.032 5.072     G9III-IVBa0.5 101 0
37 * bet Lep ** 05 28 14.7231588 -20 45 33.987791 4.13 3.66 2.84 2.19 1.75 G5II-IIIa: 233 0
38 NGC 1978 GlC 05 28 45.330 -66 14 12.04   10.7 10.70     ~ 291 0
39 NGC 2004 Cl* 05 30 41.340 -67 17 21.83   9.6       ~ 269 0
40 NGC 2100 Cl* 05 42 07.200 -69 12 26.99   9.6       ~ 185 0
41 HD 247297 PM* 05 45 40.3823732400 +14 41 20.113355472       8.7   G0 38 0
42 * chi01 Ori RS* 05 54 22.9829893 +20 16 34.222038 5.08 5.00 4.40 3.90 3.59 G0V 824 0
43 NGC 2210 GlC 06 11 31.296 -69 07 17.04   10.9 10.94     ~ 179 0
44 HD 44007 Pe* 06 18 48.5269024752 -14 50 43.423248948   8.85 8.06 7.69   G5(IV)wF3/5 176 0
45 HD 44131 V* 06 19 59.6005930 -02 56 40.176553   6.500 4.899     K5III 61 0
46 * mu. Gem LP* 06 22 57.62686 +22 30 48.8979 6.37 4.51 2.87 1.30 -0.08 M3IIIab 371 1
47 HD 45282 Pe* 06 26 40.7720940072 +03 25 29.792391024 8.71 8.69 8.03     Gwl 146 0
48 Cl* NGC 2419 SKK 1 RG* 07 37 47.0765649696 +38 50 16.382761512   18.77 17.25   15.63 ~ 7 0
49 HD 65934 * 08 02 11.0895493344 +26 38 16.378771200   8.65 7.70     G8III 31 0
50 HD 74377 PM* 08 45 10.3964048108 +41 40 18.605049150   9.48 8.55 8.0   K3V 91 0
51 * 78 Cnc PM* 09 09 02.3116000152 +17 28 10.749983016   8.386 7.176     K3III 44 0
52 NGC 2808 GlC 09 12 03.10 -64 51 48.6           ~ 1333 0
53 * c UMa SB* 09 14 20.5420366248 +61 25 23.941063920   5.71 5.20     G0V 161 0
54 Ross 889 Pe* 09 40 43.2053340378 +01 00 29.511836741       10.39   sdA4 158 0
55 HD 87141 * 10 04 36.3224900520 +53 53 30.171961248   6.191 5.708     F5V 118 0
56 NGC 3201 GlC 10 17 36.82 -46 24 44.9           ~ 798 0
57 * 36 UMa B PM* 10 30 25.3088805072 +55 59 56.855409072   10.10   8.749   K7Ve 125 1
58 * 33 Sex PM* 10 41 24.1859419344 -01 44 29.371097184   7.145 6.250     G9IV 160 0
59 V* VY UMa C* 10 45 04.0305312384 +67 24 40.979062260 12.91 8.34 5.95 4.20 2.94 C-N5 194 0
60 * p03 Leo PM* 11 03 36.5918764464 -00 00 02.990493144   7.157 5.927     K2III 47 0
61 BD+44 2051 PM* 11 05 28.5769490063 +43 31 36.386948721 11.440 10.270   7.9   M1.0V 298 0
62 HD 99109 PM* 11 24 17.3585400216 -01 31 44.666848380   9.96 9.06     G8/K0IV 96 1
63 * eps Crt * 11 24 36.5912121144 -10 51 33.575503752   6.338 4.802     K4III 87 0
64 HD 106516 SB* 12 15 10.55731 -10 18 44.6354 6.44 6.57 6.11     F9VFe-1.7CH-0.7 401 0
65 * c Vir RG* 12 20 20.9813922197 +03 18 45.255217001 7.27 6.12 4.96 4.07 3.46 K0.5IIIbFe-0.5 352 0
66 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6270 0
67 NGC 4494 GiP 12 31 24.0391348536 +25 46 30.071664120   10.55 9.74     ~ 460 0
68 HD 109995 HB* 12 38 47.5985869392 +39 18 31.626312732 7.83 7.68   7.6   A0V 219 0
69 V* KR Vir LP* 12 41 03.6204364704 -00 37 13.819995732 12.628 10.962 9.370 8.538 7.779 KIIvw 63 0
70 HD 111721 RG* 12 51 25.1948519215 -13 29 28.166947989   8.78 7.97     G6V 152 0
71 NGC 5139 GlC 13 26 47.28 -47 28 46.1   6.12 5.33     ~ 3239 0
72 * 69 Vir PM* 13 27 27.1640367264 -15 58 24.885623784   5.850 4.750     K0III-IIIbCN1.5CH0.5 113 0
73 V* AW CVn LP? 13 51 47.4753428 +34 26 39.261252 8.36 6.40 4.74 3.21 1.93 M3-IIIa 112 0
74 BD+34 2476 PM* 13 59 09.4837849799 +33 51 39.379962282 10.25 10.44   9.7   sdF5 155 0
75 HD 122563 Pe* 14 02 31.8455084952 +09 41 09.944391876 7.47 7.10 6.19 5.37 4.79 G8:III:Fe-5 800 0
76 V* RX Boo AB* 14 24 11.6253191184 +25 42 13.394221596   9.23 8.60     M7.5-M8 431 0
77 NGC 5634 GlC 14 29 37.28 -05 58 35.1   10.69 10.05     ~ 278 0
78 IC 4499 GlC 15 00 18.57 -82 12 49.6     8.56     ~ 329 0
79 * 5 Ser Ro* 15 19 18.7974409923 +01 45 55.466382064   5.60   4.8   F8IV 331 0
80 Cl* NGC 5927 SAW V3 Mi* 15 28 00.1300607928 -50 40 24.549729528           ~ 16 0
81 NGC 5927 GlC 15 28 00.69 -50 40 22.9   10.13 8.86     ~ 431 0
82 HD 144585 PM* 16 07 03.3696573456 -14 04 16.671141984 7.22 6.98 6.32     G2V 175 0
83 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1760 0
84 * g Her AB* 16 28 38.5485851 +41 52 54.040593 7.70 6.53 5.01 2.49 0.26 M6-III 370 0
85 NGC 6235 GlC 16 53 25.36 -22 10 38.8   11.99 7.20     ~ 171 0
86 NGC 6284 GlC 17 04 28.747 -24 45 51.22   10.72 7.43     ~ 256 0
87 NGC 6287 GlC 17 05 09.4906767360 -22 42 28.099250172   11.49 10.30     ~ 209 0
88 NGC 6304 GlC 17 14 32.25 -29 27 43.3   10.33 9.03     ~ 326 0
89 NGC 6316 GlC 17 16 37.42 -28 08 24.0   10.33 9.03     ~ 192 0
90 M 9 GlC 17 19 11.78 -18 30 58.5   9.36 8.42     ~ 295 0
91 NGC 6342 GlC 17 21 10.14 -19 35 14.7   11.25 10.01     ~ 264 0
92 NGC 6356 GlC 17 23 34.99 -17 48 46.9   10.01 7.42     ~ 334 1
93 HD 158148 SB* 17 26 49.1282232504 +20 04 51.515964804   5.388 5.514     B5V 71 0
94 NGC 6388 GlC 17 36 17.461 -44 44 08.34   7.40       ~ 863 1
95 HD 160933 SB* 17 36 40.0019692008 +69 34 14.694227616   7.00   6.0   F9IV-V 88 0
96 NGC 6397 GlC 17 40 42.09 -53 40 27.6   7.39 5.17     ~ 1879 1
97 * bet Oph PM* 17 43 28.3526482 +04 34 02.295484 5.150 3.930 2.750 1.96 1.38 K2IIICN0.5 463 0
98 NGC 6441 GlC 17 50 13.06 -37 03 05.2   9.26 8.00     ~ 829 0
99 NGC 6496 GlC 17 59 03.68 -44 15 57.4   9.96       ~ 206 0
100 V* V2564 Oph LP? 18 04 40.0713763656 +03 46 44.716990584 9.53 8.59 7.30 6.24 5.43 F6/7V 251 0
101 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 498 0
102 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 572 0
103 NGC 6569 GlC 18 13 38.88 -31 49 35.2   10.78 9.47     ~ 215 0
104 NGC 6584 GlC 18 18 37.60 -52 12 56.8   10.32 8.17     ~ 265 0
105 M 28 GlC 18 24 32.89 -24 52 11.4           ~ 716 0
106 NGC 6638 GlC 18 30 56.25 -25 29 47.1   10.81 9.68     ~ 214 0
107 M 69 GlC 18 31 23.10 -32 20 53.1   9.32 8.31     ~ 436 1
108 NGC 6642 GlC 18 31 54.23 -23 28 34.1   11.30 10.24     ~ 180 0
109 NGC 6652 GlC 18 35 45.63 -32 59 26.6   10.64 9.75     ~ 391 0
110 NAME SDG G 18 55 03.1 -30 28 42   4.5 3.6     ~ 1957 2
111 M 54 GlC 18 55 03.33 -30 28 47.5           ~ 998 0
112 NGC 6717 GlC 18 55 06.04 -22 42 05.3   11.29 10.35     ~ 220 0
113 HD 175545 PM* 18 55 51.4488060720 -00 44 22.116864048   8.60 7.40     K2III 41 0
114 NGC 6723 GlC 18 59 33.15 -36 37 56.1           ~ 468 0
115 Cl Terzan 7 GlC 19 17 43.92 -34 39 27.8           ~ 398 0
116 HD 180928 PM* 19 19 00.0959552544 -15 32 11.647331124 9.06 7.49 6.06 4.94 4.11 K4III 93 0
117 HD 338529 PM* 19 32 31.9104668184 +26 23 26.117367216   9.72   9.2   B5 203 0
118 M 55 GlC 19 39 59.71 -30 57 53.1     6.49     ~ 809 0
119 GCl 114 GlC 19 45 14.40 -08 00 26.0     7.54     ~ 129 0
120 HD 187111 Pe* 19 48 39.5744746680 -12 07 19.738101036   8.92 7.75     G8wF8III/IV 136 0
121 M 15 GlC 21 29 58.33 +12 10 01.2   3       ~ 3025 0
122 M 2 GlC 21 33 27.02 -00 49 23.7     6.25     ~ 965 1
123 M 30 GlC 21 40 22.12 -23 10 47.5     7.10     ~ 981 0
124 * 60 Peg PM* 23 11 49.1895303744 +26 50 50.357436828   7.11   5.6   G8III-IV 57 0
125 * 19 Psc C* 23 46 23.5164473376 +03 29 12.519049272 10.95 7.62 5.02 3.19 1.82 C-N6 439 0
126 NAME Local Group GrG ~ ~           ~ 7677 0

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2022.07.03-19:26:07

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