2019MNRAS.485.3623R

Query : 2019MNRAS.485.3623R

2019MNRAS.485.3623R - Mon. Not. R. Astron. Soc., 485, 3623-3641 (2019/May-3)

Comprehensive abundance analysis of red giants in the open clusters Stock 2, NGC 2168, 6475, 6991, and 7762.

REDDY A.B.S. and LAMBERT D.L.

Abstract (from CDS):

We have analysed high-dispersion Echelle spectra (R = 60 000) of red giant members of five open clusters to derive abundances for many elements from Na to Eu. The [Fe/H] values are -0.06 ± 0.03 for Stock 2, -0.11 ± 0.03 for NGC 2168, -0.01 ± 0.03 for NGC 6475, 0.00 ± 0.03 for NGC 6991, and -0.07 ± 0.03 for NGC 7662. Sodium is enriched in the giants relative to the abundance expected of main-sequence stars of the same metallicity. This enrichment of [Na/Fe] by about +0.25 attributed to the first dredge-up is discussed in the light of theoretical predictions and recently published abundance determinations. Abundance ratios [El/Fe] for other elements are with very few exceptions equal to those of field giants and dwarfs, i.e. [El/Fe] ≃ 0.00 for [Fe/H] ∼0.0. An exception is the overabundance of La, Ce, Nd, and Sm in NGC 6991 but this is consistent with our previous demonstration that the abundances of these s-process products vary by about ±0.2 among clusters of the same [Fe/H], a variation found also among field giants and dwarfs.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): stars: abundances - Galaxy: abundances - Galaxy: disc - Galaxy: kinematics and dynamics - open clusters and associations: general - open clusters and associations: individual: (Stock 2, NGC 2168, NGC 6475, NGC 6991, NGC 7762)

VizieR on-line data: <Available at CDS (J/MNRAS/485/3623): table1.dat-table10.dat>

Simbad objects: 58

goto Full paper

goto View the references in ADS

Number of rows : 58
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 NGC 752 OpC 01 56 53.7 +37 45 06           ~ 712 0
2 HD 13207 * 02 11 11.6317387512 +59 58 51.288774816   9.41 8.21     G8III 29 0
3 HD 13437 * 02 13 28.7858368200 +59 11 45.593710080   8.78 7.61     G5II 52 0
4 HD 13655 * 02 15 16.7112713592 +59 20 05.817634116   10.18 8.85     G5III 25 0
5 Cl Stock 2 OpC 02 15 47.8 +59 33 12           ~ 155 0
6 Cl Trumpler 2 OpC 02 36 14.9 +55 54 32           ~ 124 0
7 NGC 1342 OpC 03 31 37.4 +37 23 23   7.35 6.7     ~ 133 0
8 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
9 NGC 1647 OpC 04 46 00.4 +19 05 06   6.82 6.4     ~ 189 0
10 NGC 1662 OpC 04 48 48.5 +10 52 46   7.0 6.4     ~ 149 0
11 NGC 1664 OpC 04 50 59.3 +43 39 48           ~ 143 0
12 NGC 1817 OpC 05 12 33.9 +16 41 34           ~ 210 0
13 M 38 OpC 05 28 40.0 +35 49 08   6.69 6.4     ~ 184 2
14 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
15 HD 252197 * 06 08 50.7840849600 +24 30 02.440018224   9.80 8.53     K2 17 0
16 HD 252260 * 06 09 00.8632717584 +24 15 56.216346228   9.95 8.57     K5 25 0
17 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
18 HD 41996 * 06 09 15.9425178888 +24 25 40.394016156   8.55 7.42     G0 30 0
19 NGC 2243 OpC 06 29 34.3 -31 16 58   10.12 9.4     ~ 298 0
20 NGC 2251 OpC 06 34 44.8 +08 21 15   7.69 7.3     ~ 123 0
21 Cl Berkeley 25 OpC 06 41 16.1 -16 28 58           ~ 67 0
22 M 41 OpC 06 46 03.1 -20 43 07   4.89 4.5     ~ 308 0
23 NGC 2281 OpC 06 48 19.7 +41 02 35   6.05 5.4     ~ 182 0
24 NGC 2335 OpC 07 06 45.8 -10 01 00   7.76 7.2     ~ 92 0
25 NGC 2345 OpC 07 08 21.4 -13 11 44   8.58 7.7     ~ 92 0
26 NGC 2354 OpC 07 13 59.2 -25 43 40   7.28 6.5     ~ 111 0
27 NGC 2360 OpC 07 17 45.8 -15 38 21           ~ 213 0
28 NGC 2437 OpC 07 41 45.4 -14 50 42           ~ 174 0
29 NGC 2447 OpC 07 44 34.6 -23 51 22           ~ 170 1
30 NGC 2482 OpC 07 55 09.9 -24 16 39   7.71 7.3     ~ 102 0
31 NGC 2506 OpC 08 00 02.3 -10 46 22   8.28 7.6     ~ 313 0
32 NGC 2527 OpC 08 05 02.4 -28 07 06   6.81 6.5     ~ 119 0
33 NGC 2539 OpC 08 10 39.1 -12 49 52   7.05 6.5     ~ 164 0
34 NGC 2548 OpC 08 13 34.0 -05 43 11           ~ 227 0
35 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
36 Cl Collinder 261 OpC 12 38 04.7 -68 22 40     10.7     ~ 216 0
37 Cl Trumpler 20 OpC 12 39 33.0 -60 38 10           ~ 138 0
38 NGC 4609 OpC 12 42 19.2 -62 59 36   7.32 6.9     ~ 96 0
39 NGC 5316 OpC 13 54 02.6 -61 53 05   6.08 6.0     ~ 109 0
40 HD 162391 SB* 17 52 19.7613514968 -34 25 00.630446052   6.95 5.85     G8/K0III 54 0
41 HD 162496 * 17 52 49.2230547264 -34 06 53.395481952   7.30 6.06     K1III 32 0
42 HD 162587 ** 17 53 23.47133 -34 53 42.4372           K3III 56 0
43 NGC 6475 OpC 17 53 44.1 -34 49 36           ~ 413 0
44 NGC 6633 OpC 18 27 30.2 +06 38 21           ~ 423 0
45 IC 4756 OpC 18 38 39.0 +05 26 14           ~ 274 0
46 NGC 6691 AG? 18 39 12.2418567600 +55 38 30.376882104   14.1       ~ 42 0
47 NGC 6774 OpC 19 16 17.6 -16 20 45           ~ 258 0
48 NGC 6940 OpC 20 34 28.4 +28 17 07           ~ 215 0
49 NGC 6991 22 * 20 53 16.7759436624 +47 27 14.573655936   12.08 11.16     ~ 12 0
50 BD+46 3100 * 20 54 29.8165516728 +47 28 03.181350756   10.46 9.42     K0 19 0
51 NGC 6991 OpC 20 54 31.8 +47 23 26           ~ 77 2
52 BD+46 3104 * 20 55 03.9910600632 +47 19 20.076288312   10.97 9.91     K0 16 0
53 NGC 6991 131 * 20 55 42.6972169488 +47 22 32.675020464   10.72 9.67     ~ 15 0
54 NGC 7209 OpC 22 04 50.7 +46 30 11   8.24 7.7     ~ 144 0
55 NGC 7762 110 * 23 49 06.1422488664 +67 59 08.638419840           ~ 15 0
56 NGC 7762 35 * 23 49 21.6707051760 +68 01 01.748839080   13.37 11.66     ~ 7 0
57 NGC 7762 OpC 23 49 51.3 +68 02 06           ~ 84 0
58 NGC 7762 91 * 23 50 31.420 +68 01 41.51   13.43 11.74     ~ 2 0

To bookmark this query, right click on this link: simbad:objects in 2019MNRAS.485.3623R and select 'bookmark this link' or equivalent in the popup menu