2022A&A...663A.148C


Query : 2022A&A...663A.148C

2022A&A...663A.148C - Astronomy and Astrophysics, volume 663A, 148-148 (2022/7-1)

One Star to Tag Them All (OSTTA). I. Radial velocities and chemical abundances for 20 poorly studied open clusters.

CARRERA R., CASAMIQUELA L., BRAGAGLIA A., CARRETTA E., CARBAJO-HIJARRUBIA J., JORDI C., ALONSO-SANTIAGO J., BALAGUER-NUNEZ L., BARATELLA M., D'ORAZI V., LUCATELLO S. and SOUBIRAN C.

Abstract (from CDS):


Context. Open clusters are ideal laboratories to investigate a variety of astrophysical topics, from the properties of the Galactic disc to stellar evolution models. For this purpose, we need to know their chemical composition in detail. Unfortunately, the number of systems with chemical abundances determined from high resolution spectroscopy remains small.
Aims. Our aim is to increase the number of open clusters with radial velocities and chemical abundances determined from high resolution spectroscopy by sampling a few stars in clusters which had not been previously studied.
Methods. We obtained high resolution spectra with the FIbre-fed Echelle Spectrograph at Nordic Optical Telescope for 41 stars belonging to 20 open clusters. These stars have high astrometric membership probabilities determined from the Gaia second data release.
Results. We derived radial velocites for all the observed stars which were used to confirm their membership to the corresponding clusters. For Gulliver 37, we cannot be sure the observed star is a real member. We derived atmospheric parameters for the 32 stars considered to be real cluster members. We discarded five stars because they have very low gravity or their atmospheric parameters were not properly constrained due to low signal-to-noise ratio spectra. Therefore, detailed chemical abundances were determined for 28 stars belonging to 17 clusters. For most of them, this is the first chemical analysis available in the literature. Finally, we compared the clusters in our sample to a large population of well-studied clusters. The studied systems follow the trends, both chemical and kinematical, described by the majority of open clusters. It is worth mentioning that the three most metal-poor studied clusters (NGC 1027, NGC 1750, and Trumpler 2) are enhanced in Si, but not in the other α-elements studied (Mg, Ca, and Ti).

Abstract Copyright: © ESO 2022

Journal keyword(s): stars: abundances - stars: evolution - open clusters and associations: general

VizieR on-line data: <Available at CDS (J/A+A/663/A148): tableb2.dat tableb5.dat>

Simbad objects: 66

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Number of rows : 66
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 TYC 3672-724-1 * 00 59 59.7629446776 +55 27 23.037495480   12.15 11.09     ~ 7 0
2 [CKS2019] COIN-Gaia 2 OpC 01 00 14.4 +55 24 32           ~ 13 0
3 TYC 3672-1711-1 * 01 00 18.4243232256 +55 22 33.079271412   11.45 10.67     ~ 4 0
4 TYC 3672-1439-1 * 01 00 20.7820747800 +55 22 01.603456392   11.89 11.15     ~ 7 0
5 M 103 OpC 01 33 21.4 +60 39 32   7.72 7.4     ~ 201 0
6 UCAC4 744-016974 * 01 52 11.8900986024 +58 38 34.776136464   14.953 13.611 13.244   ~ 6 0
7 TYC 3696-1524-1 * 01 52 12.7135093776 +58 33 41.214584844   12.68 11.34     ~ 7 0
8 [CKS2019] COIN-Gaia 6 OpC 01 52 24.2 +58 38 10           ~ 10 0
9 UCAC4 744-017065 * 01 52 37.6626329520 +58 37 46.584418440   15.003 13.750 13.522   ~ 5 0
10 HD 16039 * 02 36 40.6426704000 +56 11 48.326841996   8.96 7.38     K1III 15 0
11 HD 16068 * 02 36 52.7997095160 +55 54 55.443018600   9.18 7.45     K3II-III 36 0
12 Cl Trumpler 2 OpC 02 36 55.7 +55 54 18           ~ 112 0
13 BD+61 463 * 02 42 18.6165315792 +61 44 13.666109820   10.59 8.76     K2III 13 0
14 NGC 1027 OpC 02 42 42.5 +61 36 58   7.28 6.7     ~ 95 0
15 TYC 3328-1969-1 * 04 18 41.3416435896 +46 12 32.639391792   11.43 10.21     ~ 6 0
16 TYC 3329-978-1 * 04 18 51.4735188912 +46 33 42.760864728   11.94 10.58     ~ 6 0
17 UBC 54 OpC 04 18 59.3 +46 27 11           ~ 9 0
18 NGC 1647 OpC 04 45 55.4 +19 04 44   6.82 6.4     ~ 169 0
19 HD 30179 * 04 46 05.0998307760 +18 48 02.663300556   8.97 7.47     K0 28 0
20 HD 30233 * 04 46 35.8962872400 +19 29 39.299764128 11.530 10.050 8.450     K2 26 0
21 NGC 1750 OpC 05 03 42.2 +23 41 42           ~ 64 1
22 HD 32461 * 05 04 20.9320961760 +23 31 37.636387608   9.26 7.55     K5 16 0
23 HD 32521 * 05 04 48.0034829304 +23 55 15.338232984   9.02 7.67     K0 14 0
24 HD 253336 * 06 12 06.2501403672 +05 27 51.412060872   10.91 9.82     ~ 8 0
25 NGC 2186 OpC 06 12 07.4 +05 27 11   9.20 8.7     ~ 57 0
26 [KC2019] Theia 552 As* 06 19 22.4 +46 39 45           ~ 2 0
27 HD 43724 * 06 20 09.5304750456 +46 38 48.757628076   9.09 8.03     G5 19 0
28 UCAC4 524-025015 * 06 21 24.4635987600 +14 40 03.758114027   13.369 12.020 11.590   ~ 4 0
29 [FSR2007] 0951 OpC 06 22 17.5 +14 39 00           ~ 29 0
30 UCAC4 523-025754 * 06 22 24.7380285856 +14 28 34.795110153   13.108 11.898 11.536   ~ 4 0
31 UCAC4 524-025539 * 06 22 45.3705230269 +14 36 41.472460632   13.023 11.747 11.387   ~ 3 0
32 BD+41 1511 * 06 48 15.0941263848 +41 04 22.220109480   9.82 8.86     G0 14 0
33 HD 49009 * 06 48 21.7240402608 +41 18 08.354807712   8.61 7.24     K2III 38 0
34 NGC 2281 OpC 06 48 21.8 +41 03 36   6.05 5.4     ~ 155 0
35 NGC 2345 OpC 07 08 18.0 -13 11 56   8.58 7.7     ~ 78 0
36 BD-12 1805 V* 07 08 21.8535089832 -13 10 23.271145608   11.44 9.94     G6II+B 19 0
37 NGC 2345 43 * 07 08 26.3197214208 -13 11 14.441334900   12.51 10.70     K0Ib-II 12 0
38 NGC 2345 60 * 07 08 30.3703598472 -13 13 52.554084492   12.30 10.48     K2Ib-II 11 0
39 TYC 5969-229-1 * 07 17 01.4508363264 -17 09 04.929169176   10.93 9.91     ~ 5 0
40 NGC 2358 OpC 07 17 02.6 -17 08 35           ~ 32 1
41 BD-16 1873 * 07 17 15.4908196032 -16 53 17.046928320   10.45 9.39     K0 5 0
42 BD-16 1874 * 07 17 16.1305338456 -17 13 17.570547336   11.23 10.25     ~ 3 0
43 UCAC4 446-035294 * 07 21 42.7351551196 -00 57 48.205609656   13.428   12.131   ~ 5 0
44 UCAC4 446-035319 * 07 21 45.7271246976 -00 57 37.711893276   13.837 12.603 12.256   ~ 5 0
45 Cl King 23 OpC 07 21 50.2 -00 59 17           ~ 24 0
46 UCAC4 446-035365 * 07 21 51.4615438717 -00 58 54.655193230   13.854 12.708 12.349   ~ 6 0
47 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 14383 0
48 NGC 6705 OpC 18 51 03.8 -06 16 19   6.32 5.8     ~ 410 0
49 HD 343453 * 18 55 37.3269954000 +21 15 55.577960568   10.59 10.08     F0 7 0
50 Cl Alessi 62 OpC 18 56 06.2 +21 35 49           ~ 28 0
51 HD 343429 * 18 56 12.2303886576 +21 39 22.121477748   11.11 10.04     K0 8 0
52 HD 343437 * 18 56 16.6330852776 +21 32 55.203736020   11.34 10.28     G5 8 0
53 NGC 6791 OpC 19 20 53.0 +37 46 41   10.52 9.5     ~ 1038 0
54 TYC 2129-2498-1 * 19 28 18.4415974392 +25 22 53.454323712   12.04 11.10     ~ 7 0
55 Cl Gulliver 37 OpC 19 28 18 +25 20.8           ~ 15 0
56 HD 338618 * 19 36 23.1062225040 +26 40 09.307866504   9.31 8.24     K0 13 0
57 Cl Stock 1 OpC 19 36 35.0 +25 09 47     5.3     ~ 56 0
58 HD 185026 * 19 37 17.3931189624 -00 29 32.013387420   7.97 7.92     B5III 8 0
59 HD 185375 * 19 37 53.9569669920 +24 42 46.374088572   7.91 7.80     A2 16 0
60 Cl Alessi 44 OpC 19 41 18.0 +01 35 31           ~ 31 0
61 NGC 6819 OpC 19 41 18.5 +40 11 24   8.21 7.3     ~ 634 0
62 HD 186184 * 19 42 50.1545223192 +01 31 52.538039616   9.94 8.45     K1III 12 0
63 BD+60 2532 * 23 24 15.8452342152 +61 35 17.546649504   9.345 8.292 7.84   F8Ib/II 55 0
64 BD+60 2534 s*r 23 24 44.8690966104 +61 20 38.749214184   11.07 9.18     K3Ib 11 0
65 M 52 OpC 23 24 46.8 +61 35 24           ~ 191 0
66 NAME Galactic Bar reg ~ ~           ~ 1215 0

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