2004MNRAS.347..367C


C.D.S. - SIMBAD4 rel 1.7 - 2021.06.22CEST09:42:08

2004MNRAS.347..367C - Mon. Not. R. Astron. Soc., 347, 367-379 (2004/January-2)

The effects of age on red giant metallicities derived from the near-infrared CaII triplet.

COLE A.A., SMECKER-HANE T.A., TOLSTOY E., BOSLER T.L. and GALLAGHER J.S.

Abstract (from CDS):

We have obtained spectra with a resolution of ∼2.5 Å in the region of ~7500-9500Å for 116 red giants in five galactic globular clusters and six old open clusters (five with published metallicities and one previously unmeasured). The signal-to-noise (S/N) ratio lies within the range 20 ≤ S/N ≤ 85. We measure the equivalent widths of the infrared CaII triplet absorption lines in each star and compare them with cluster metallicities taken from the literature. With globular cluster abundances on the Carretta & Gratton scale, and open cluster abundances taken from the compilation of Friel and collaborators, we find a linear relation between [Fe/H] and CaII line strength spanning the range -2 ≲[Fe/H]≲-0.2 and 2.5 ≲ (age/Gyr) ≲ 13. The reference abundance scales appear to be consistent with each other at the ∼0.1 dex level. Alternate choices for metallicity scales can introduce curvature into the relation between the [Fe/H] and CaII equivalent width. No evidence for an age effect on the metallicity calibration is observed. Using this calibration, we find the metallicity of the massive, old, open cluster Trumpler 5 to be [Fe/H]-0.56±0.11. This is the first spectroscopic abundance measurement for Trumpler 5, and is lower by ~0.3 dex than estimates based on the cluster colour-magnitude diagram. Considering the 10 clusters of known metallicity shifted to a common distance and reddening, we find that the additional error introduced by the variation of horizontal branch/red clump magnitude with metallicity and age is of the order of ±0.05 dex, which can be neglected in comparison with the intrinsic scatter in the method. The results are discussed in the context of abundance determinations for red giants in Local Group galaxies.

Abstract Copyright: 2004 RAS

Journal keyword(s): techniques: spectroscopic - stars: abundances - stars: late-type - open clusters and associations: individual: Trumpler 5

Simbad objects: 113

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Number of rows : 113

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 Cl* NGC 104 HH 3027 * 00 23 23.0 -72 04 24   13.67 12.18     ~ 18 0
2 Cl* NGC 104 HH 9413 * 00 23 23.0 -72 04 24   14.64 13.56     ~ 14 0
3 Cl* NGC 104 LEE 5422 * 00 23 23.0 -72 04 24   13.87 12.47     ~ 18 0
4 Cl* NGC 104 HH 3205 * 00 23 23 -72 04.4   13.69 12.21     ~ 11 0
5 NGC 104 GlC 00 24 05.359 -72 04 53.20   5.78 4.09     ~ 3649 0
6 Cl* NGC 104 LEE 5528 * 00 25 52.977 -71 52 29.94   15.40 14.78     ~ 4 0
7 Cl* NGC 104 LEE 5419 * 00 26 03.1700515930 -71 50 46.479525683   14.92 14.05     ~ 5 0
8 Cl* NGC 104 LEE 5418 * 00 26 05.4446573336 -71 49 20.684948789   16.20 15.33     ~ 4 0
9 Cl* NGC 104 LEE 5530 * 00 26 23.2182704757 -71 57 54.171663655   14.20 13.14     ~ 5 0
10 Cl* NGC 104 LEE 5310 * 00 26 45.4673051907 -71 47 23.674691737   14.05 13.41     ~ 3 0
11 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11349 1
12 NGC 1851 GlC 05 14 06.76 -40 02 47.6   8.80 7.23     ~ 1283 0
13 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15433 1
14 NGC 1904 153 LP* 05 24 09.1300884095 -24 34 16.113747031   14.8 13.44   11.556 ~ 25 0
15 NGC 1904 160 RG* 05 24 09.3928250192 -24 33 30.128002937   14.56 13.02     ~ 24 0
16 NGC 1904 15 LP* 05 24 09.5748948412 -24 29 51.398867450   14.662 13.307   11.898 ~ 13 0
17 M 79 GlC 05 24 10.59 -24 31 27.3   9.21 8.16     ~ 741 0
18 NGC 1904 241 LP* 05 24 18.0461084934 -24 30 14.850524280   14.808 13.635   12.373 ~ 11 0
19 Cl* Berkeley 20 MPJF 22 * 05 32 36.8764258701 +00 11 49.519966272   17.970 16.915     ~ 6 0
20 Cl Berkeley 20 OpC 05 32 37.0 +00 11 18           ~ 100 0
21 Cl* Berkeley 20 FMP 10770 * 05 32 37.9493420241 +00 11 09.622641028     15.12     ~ 10 0
22 Cl* Berkeley 20 SBR 1240 * 05 32 38.9518220913 +00 11 20.367886591     15.154     ~ 13 0
23 NGC 2141 5009 * 06 02 49 +10 31.4   15.90 14.62     ~ 3 0
24 NGC 2141 4009 * 06 02 50.7853286308 +10 30 28.106117753     13.27     ~ 10 0
25 NGC 2141 OpC 06 02 55 +10 26.8   10.43 9.4     ~ 118 0
26 NGC 2141 1321 * 06 02 58.4 +10 26 38   15.23 14.00     ~ 6 0
27 NGC 2141 5013 * 06 03 00.0248250580 +10 32 23.493540836   15.21 13.96     ~ 6 0
28 NGC 2141 3240 * 06 03 01.5539542819 +10 28 34.733366823   15.13 13.33     ~ 11 0
29 NGC 2141 4025 * 06 03 07.5541800043 +10 26 49.218941376   15.34 14.06     ~ 6 0
30 Cl* Trumpler 5 K 3-2579 OpC 06 36 23.93 +09 28 17.2   17.153 15.588     ~ 2 0
31 Cl* Trumpler 5 K 3-1305 OpC 06 36 24.54 +09 25 46.7   16.280 14.242     ~ 2 0
32 Cl* Trumpler 5 K 3-2324 OpC 06 36 24.83 +09 27 46.6   16.647 15.034     ~ 2 0
33 Cl* Trumpler 5 K 3-1401 OpC 06 36 28.10 +09 25 56.3   16.665 15.289     ~ 2 0
34 Cl* Trumpler 5 K 3-2565 OpC 06 36 28.48 +09 28 13.4   17.345 15.792     ~ 2 0
35 C 0634+094 OpC 06 36 29 +09 28.2     10.9     ~ 81 0
36 Cl* Trumpler 5 K 3-3354 OpC 06 36 29.31 +09 29 45.2   16.208 14.480     ~ 2 0
37 V* V493 Mon C* 06 36 32.6759741488 +09 25 39.298486115   15.80       C 14 1
38 Cl* Trumpler 5 K 3-1935 OpC 06 36 33.12 +09 27 00.9   14.954 12.866     ~ 2 0
39 Cl* Trumpler 5 K 3-3763 OpC 06 36 34.11 +09 30 34.6   16.195 14.536     ~ 2 0
40 Cl* Trumpler 5 K 3-1834 OpC 06 36 35.56 +09 26 48.0   17.710 16.239     ~ 2 0
41 Cl* Trumpler 5 K 3-2280 OpC 06 36 35.99 +09 27 35.2   16.743 15.161     ~ 2 0
42 Cl* Trumpler 5 K 3-3066 OpC 06 36 36.47 +09 29 08.1   16.051 14.393     ~ 2 0
43 Cl* Trumpler 5 K 3-488 OpC 06 36 40.41 +09 23 45.1   18.300 16.510     ~ 2 0
44 Cl* Trumpler 5 K 3-833 * 06 36 42.0681084665 +09 24 34.141466212   16.736 14.907     ~ 4 0
45 Cl* Trumpler 5 K 3-1214 OpC 06 36 42.29 +09 25 25.7   15.741 13.911     ~ 2 0
46 Cl* Trumpler 5 K 3-1026 OpC 06 36 42.96 +09 25 02.3   16.452 14.733     ~ 2 0
47 NGC 2298 GlC 06 48 59.41 -36 00 19.1   10.77 8.89     ~ 446 0
48 Cl Melotte 66 4151 RG* 07 26 12.0671764388 -47 43 24.763123911   14.249 12.668 12.277 11.00 ~ 26 0
49 Cl* Melotte 66 KJF 2155 RB? 07 26 13.5074739783 -47 37 24.660199672     14.5   13.29 ~ 5 0
50 Cl Melotte 66 4265 * 07 26 13.5097735327 -47 43 53.151836195   15.353 14.019 13.789 12.74 ~ 6 0
51 Cl Melotte 66 3101 RB? 07 26 17.4541486984 -47 40 44.313534691     15.2   13.95 ~ 4 0
52 Cl Melotte 66 2107 * 07 26 19.8974231894 -47 40 15.854313884   15.627 14.462 14.413 13.52 ~ 14 0
53 UCAC4 212-013246 RB? 07 26 22.0544211656 -47 39 28.018128685   14.681 13.170 12.807 11.53 ~ 13 0
54 Cl Melotte 66 OpC 07 26 23 -47 40.0   8.73 7.8     ~ 176 0
55 GEN# +5.20662261 RB? 07 26 23.0286926903 -47 37 42.183824096   14.85 13.6   12.33 ~ 8 0
56 Cl* Melotte 66 KJF 1419 RB? 07 26 26.6608887692 -47 37 55.807262138   15.470 14.48   13.29 ~ 13 0
57 UCAC4 212-013296 RB? 07 26 30.5356566429 -47 41 43.884501952   15.277 14.012 13.853 12.77 ~ 9 0
58 Cl Melotte 66 3235 * 07 26 34.5891266149 -47 42 47.163622813   15.780 14.626 14.428 13.39 ~ 14 0
59 Cl Melotte 66 2233 * 07 26 35.2236252655 -47 38 24.985348538     15.44   14.29 ~ 5 0
60 UCAC4 212-013332 RB? 07 26 37.6778314912 -47 39 07.623078766   15.379 14.272 13.925 12.84 ~ 6 0
61 Cl Melotte 66 3229 * 07 26 39.2744553209 -47 44 05.751818636   15.168 13.956 13.690 12.65 ~ 8 0
62 Cl* Berkeley 39 KR 9 * 07 46 39.2704434190 -04 37 54.286157195   15.444 14.199   12.996 ~ 9 0
63 Cl Berkeley 39 OpC 07 46 42 -04 36.0           ~ 158 1
64 Cl* Berkeley 39 KR 17 * 07 46 42.0442516723 -04 41 05.988135815   15.958 14.740   13.504 ~ 5 0
65 Cl* Berkeley 39 KR 5 * 07 46 47.6010997133 -04 39 56.256808655   15.286 13.995   12.500 ~ 14 0
66 Cl* Berkeley 39 FMP 21815 * 07 46 49.1145383636 -04 41 55.687571677   16.698 15.518   14.185 ~ 7 0
67 Cl* Berkeley 39 FMP 21925 * 07 46 51.1422434274 -04 40 29.232108069   16.076 14.783   13.491 ~ 6 0
68 Cl* Berkeley 39 KR 16 * 07 46 52.49 -04 41 14.6   15.649 14.426   13.187 ~ 8 0
69 Cl* Berkeley 39 KUBVI 1139 * 07 46 54.1492473613 -04 38 58.223901036   15.489 14.359   13.113 ~ 12 0
70 NGC 2682 104 RG* 08 51 17.0401829547 +11 50 46.503449364   12.114 11.001 10.863 10.12 K0III/IV 69 0
71 NGC 2682 105 RG* 08 51 17.0998688216 +11 48 16.177322855   11.554 10.316 9.942 9.07 K2III 128 0
72 NGC 2682 108 RG* 08 51 17.4856199463 +11 45 22.709284546   11.064 9.603 9.370 8.36 ~ 117 1
73 NGC 2682 OpC 08 51 18 +11 48.0           ~ 2107 0
74 NGC 2682 135 RG* 08 51 21.5642135621 +11 46 06.216890715   12.53 11.394   10.39 K1III 92 0
75 NGC 2682 141 RG* 08 51 22.8037504415 +11 48 01.780643224   11.570 10.346 10.180 9.40 ~ 125 0
76 NGC 2682 164 RG* 08 51 28.9911734176 +11 50 33.129974313   11.675 10.441 10.250 9.46 K1III 121 0
77 BD+12 1926 RG* 08 51 29.9056917233 +11 47 16.877217672   11.004 9.555 9.360 8.36 K3III 129 0
78 Cl* NGC 4590 ALC 69 * 12 39 15.9159844188 -26 46 11.221935644   15.34 14.71     ~ 8 0
79 Cl* NGC 4590 HAR 1002 * 12 39 17.64 -26 44 43.7   15.97 15.16     ~ 4 0
80 2MASS J12391823-2646404 RG* 12 39 18.2334323577 -26 46 40.417357209   15.581 14.684     ~ 11 0
81 2MASS J12392153-2648173 RG* 12 39 21.5405339522 -26 48 17.363405827   16.013 15.151     ~ 10 0
82 Cl* NGC 4590 HAR 1260 * 12 39 24.66 -26 43 33.1   14.01 12.69     ~ 19 0
83 2MASS J12392706-2647511 RG* 12 39 27.0710023486 -26 47 51.183816435   14.67 13.659     ~ 8 0
84 M 68 GlC 12 39 27.98 -26 44 38.6   10.26 7.96     ~ 910 0
85 2MASS J12393007-2642465 RG* 12 39 30.0785925276 -26 42 46.615348673   15.246 14.356     ~ 9 0
86 Cl* NGC 4590 ALC 97 * 12 39 34.2909452587 -26 43 23.369631804   14.03 12.87     ~ 19 0
87 2MASS J12393762-2645155 RG* 12 39 37.6269587682 -26 45 15.557947738   15.211 14.277     ~ 12 0
88 NGC 6253 OpC 16 59 05 -52 42.0     10.2     ~ 152 0
89 NGC 6528 GlC 18 04 49.61 -30 03 20.8   12.12 10.65     ~ 482 0
90 NGC 6553 GlC 18 09 15.68 -25 54 27.9   9.08       ~ 554 0
91 NGC 6791 OpC 19 20 53 +37 46.3   10.52 9.5     ~ 910 0
92 Cl* Berkeley 39 KR 2 * ~ ~   14.56 13.09     ~ 4 0
93 Cl* NGC 1851 STET 160 * ~ ~     15.51   14.51 ~ 3 0
94 Cl* NGC 1851 STET 179 * ~ ~     16.45     ~ 3 0
95 Cl* NGC 1851 STET 195 * ~ ~     15.82     ~ 3 0
96 Cl* NGC 1851 STET 231 * ~ ~     15.93   14.93 ~ 3 0
97 NGC 2141 3234 * ~ ~   16.04 14.95     ~ 3 0
98 Cl* Berkeley 20 MPJF 29 * ~ ~     17.140     ~ 3 0
99 Cl* Berkeley 20 MPJF 12 * ~ ~     16.209     ~ 3 0
100 Cl* NGC 2298 AL 25 * ~ ~     15.69   14.60 ~ 3 0
101 Cl* Berkeley 39 KR 3 * ~ ~   14.90 13.55     ~ 11 0
102 Cl* Berkeley 39 KR 13 * ~ ~     14.35     ~ 3 0
103 Cl* NGC 1851 STET 275 * ~ ~   16.47 15.10   12.82 ~ 3 0
104 Cl* NGC 1851 STET 209 * ~ ~   15.67 14.39   12.82 ~ 4 0
105 Cl* NGC 2298 AL 6 * ~ ~     13.82   12.38 ~ 3 0
106 Cl* NGC 2298 AL 12 * ~ ~     14.23   12.88 ~ 3 0
107 NGC 1904 6 * ~ ~   16.20 15.27     ~ 7 0
108 NGC 2141 3252 * ~ ~   15.84 14.47     ~ 3 0
109 NGC 2141 1405 * ~ ~   16.29 14.71     ~ 3 0
110 Cl* NGC 2298 AL 15 * ~ ~     14.86   13.53 ~ 3 0
111 Cl* NGC 1851 STET 65 * ~ ~     15.75   14.75 ~ 3 0
112 Cl* NGC 2298 AL 22 * ~ ~     15.30   14.10 ~ 3 0
113 Cl* NGC 1851 STET 123 * ~ ~     16.21   15.58 ~ 3 0

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2021.06.22-09:42:08

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