2011A&A...535A..30C


C.D.S. - SIMBAD4 rel 1.7 - 2020.10.25CET23:53:50

2011A&A...535A..30C - Astronomy and Astrophysics, volume 535A, 30-30 (2011/11-1)

Chemical abundance analysis of the open clusters Berkeley 32, NGC 752, Hyades, and Praesepe.

CARRERA R. and PANCINO E.

Abstract (from CDS):

Open clusters are ideal test particles for studying the chemical evolution of the Galactic disc. However, the number and accuracy of existing high-resolution abundance determinations, not only of [Fe/H], but also of other key elements, remains largely insufficient. We attempt to increase the number of Galactic open clusters that have high quality abundance determinations, and to gather all the literature determinations published so far. Using high-resolution (R∼30000), high-quality (S/N≥60 per pixel), we obtained spectra for twelve stars in four open clusters with the fibre spectrograph FOCES, at the 2.2 Calar Alto Telescope in Spain. We employ a classical equivalent-width analysis to obtain accurate abundances of sixteen elements: Al, Ba, Ca, Co, Cr, Fe, La, Mg, Na, Nd, Ni, Sc, Si, Ti, V, and Y. We derived oxygen abundances by means of spectral synthesis of the 6300Å forbidden line. We provide the first determination of abundance ratios other than Fe for NGC 752 giants, and ratios in agreement with the literature for the Hyades, Praesepe, and Be 32. We use a compilation of literature data to study Galactic trends of [Fe/H] and [α/Fe] with Galactocentric radius, age, and height above the Galactic plane. We find no significant trends, but some indication for a flattening of [Fe/H] at large Rgc, and for younger ages in the inner disc. We also detect a possible decrease in [Fe/H] with |z| in the outer disc, and a weak increase in [α/Fe] with Rgc.

Abstract Copyright:

Journal keyword(s): Galaxy: disk - open clusters and associations: individual: NGC 752 - open clusters and associations: individual: Hyades - open clusters and associations: individual: Berkeley 32 - open clusters and associations: individual: Praesepe (M 44) - stars: abundances

VizieR on-line data: <Available at CDS (J/A+A/535/A30): table1.dat table5.dat>

Simbad objects: 106

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Number of rows : 106

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 Cl Blanco 1 OpC 00 04 07 -29 50.0           ~ 241 0
2 NGC 188 OpC 00 48 26 +85 15.3           ~ 817 0
3 BD+37 407 * 01 55 12.6245268245 +37 50 14.554428324   10.31 9.39     G5III 50 0
4 BD+36 368 SB* 01 57 37.5964878281 +37 39 37.903242348   9.90 8.85     K1III 39 1
5 BD+37 432 * 01 57 38.9493327398 +37 46 12.410939142   9.98 9.00     G9III 50 0
6 NGC 752 OpC 01 57 41 +37 47.1           ~ 543 0
7 BD+37 448 * 01 58 52.9026089345 +37 48 57.227167774   10.07 9.04     G9III 69 0
8 NGC 1039 OpC 02 42 05 +42 45.7           ~ 373 0
9 Cl Berkeley 66 OpC 03 04 04 +58 44.4           ~ 52 0
10 NGC 1193 OpC 03 05 56.0 +44 23 00     12.6     ~ 66 0
11 NGC 1245 OpC 03 14 48 +47 15.2   9.16 8.4     ~ 124 0
12 Cl Melotte 20 OpC 03 26 42 +48 48.0           ~ 757 0
13 Cl Melotte 22 OpC 03 47 00 +24 07.0           ~ 3024 0
14 * gam Tau ** 04 19 47.6038491 +15 37 39.515422 5.46 4.64 3.65 4.83   G9.5IIIabCN0.5 518 0
15 * del Tau SB* 04 22 56.1010361735 +17 32 33.055967140 5.56 4.74 3.76 5.56   G9.5IIICN0.5 498 0
16 Cl Melotte 25 OpC 04 26 54.00 +15 52 00.0           ~ 2695 0
17 * eps Tau ** 04 28 36.9988174 +19 10 49.544603 5.42 4.54 3.53     G9.5IIICN0.5 545 1
18 NAME Taurus Complex SFR 04 41.0 +25 52           ~ 3544 0
19 NGC 1817 OpC 05 12 15 +16 41.4   8.44 7.7     ~ 152 0
20 NGC 1901 OpC 05 18 11 -68 27.0           ~ 79 0
21 Cl Berkeley 17 OpC 05 20 37 +30 35.4           ~ 135 0
22 NGC 1883 OpC 05 25 54.0 +46 29 24     12.0     ~ 36 0
23 Cl Berkeley 20 OpC 05 32 37.0 +00 11 18           ~ 100 0
24 NAME Gal Anticenter reg 05 46 +28.9           ~ 737 0
25 Cl Berkeley 21 OpC 05 51 42 +21 47.0   12.26 11.1     ~ 90 0
26 NGC 2112 OpC 05 53 45 +00 24.6     9.1     ~ 67 0
27 Cl Berkeley 22 OpC 05 58.4 +07 50           ~ 64 0
28 NGC 2141 OpC 06 02 55 +10 26.8   10.43 9.4     ~ 115 0
29 NGC 2158 OpC 06 07 25 +24 05.8           ~ 246 0
30 NGC 2194 OpC 06 13 46 +12 49.1   9.03 8.5     ~ 66 1
31 NGC 2204 OpC 06 15 33 -18 39.9   9.35 8.6     ~ 126 0
32 Cl Berkeley 73 OpC 06 22 06 -06 19.0           ~ 34 0
33 NGC 2232 OpC 06 27 15 -04 45.5           ~ 133 0
34 NGC 2243 OpC 06 29 34 -31 17.0   10.12 9.4     ~ 216 0
35 NGC 2264 OpC 06 40 58 +09 53.7     3.9     ~ 1602 1
36 Cl Berkeley 25 OpC 06 41 16 -16 29.2           ~ 44 0
37 C 0646-104 OpC 06 48 58 -10 30.6           ~ 29 0
38 Cl Berkeley 75 OpC 06 49 01.0 -23 59 48           ~ 40 0
39 Cl Berkeley 29 OpC 06 53 04.2 +16 55 39   14.3       ~ 142 0
40 C 0652-245 OpC 06 56 20 -24 43.8   3.02 2.6     ~ 139 0
41 Cl Berkeley 31 OpC 06 57 36 +08 16.0           ~ 96 0
42 Cl Berkeley 33 OpC 06 57 42 -13 13.0           ~ 62 0
43 Cl* Berkeley 32 RS 1948 * 06 58 04.2092465958 +06 27 17.182042940 15.335 14.504 13.392   12.203 ~ 10 0
44 Cl Berkeley 32 OpC 06 58 06 +06 26.0           ~ 109 0
45 Cl* Berkeley 32 KM 17 * 06 58 08.2326638016 +06 24 19.416646981 15.542 14.756 13.685   12.540 ~ 13 0
46 C 0701-207 OpC 07 03 05.0 -20 49 00           ~ 106 0
47 NGC 2324 OpC 07 04 07 +01 02.7   8.83 8.4     ~ 124 0
48 NGC 2355 OpC 07 16 59 +13 45.0     9.7     ~ 67 0
49 NGC 2360 OpC 07 17 43 -15 38.5           ~ 169 0
50 NAME Saurer A Cluster OpC 07 20.9 +01 48           ~ 55 0
51 Cl Melotte 66 OpC 07 26 23 -47 40.0   8.73 7.8     ~ 172 0
52 NGC 2423 OpC 07 37 06 -13 52.3           ~ 121 0
53 Cl Melotte 71 OpC 07 37 34 -12 03.3   7.44 7.1     ~ 95 0
54 NGC 2425 OpC 07 38 15 -14 52.8           ~ 27 0
55 NGC 2420 OpC 07 38 23 +21 34.4   9.0 8.3     ~ 405 0
56 NGC 2447 OpC 07 44 30 -23 51.4           ~ 118 1
57 Cl Berkeley 39 OpC 07 46 42 -04 36.0           ~ 154 1
58 NGC 2477 OpC 07 52 10 -38 31.8   6.64 5.8     ~ 257 0
59 NGC 2516 OpC 07 58 04 -60 45.2           ~ 595 0
60 NGC 2506 OpC 08 00 01 -10 46.2   8.28 7.6     ~ 223 0
61 NGC 2539 OpC 08 10 37 -12 49.1   7.05 6.5     ~ 117 0
62 HD 73598 ** 08 39 50.7158912207 +19 32 26.927229273   7.53 6.60     G8III-IIIb 105 0
63 * 39 Cnc * 08 40 06.4182331380 +20 00 28.033945888 8.20 7.37 6.39 5.67 5.20 G8+III-IIIb 173 0
64 HD 73710 * 08 40 22.0864080101 +19 40 11.773707165 8.290 7.410 6.390 5.70 5.21 G9III-IIIb 161 0
65 NGC 2632 OpC 08 40 24 +19 40.0           ~ 1259 0
66 IC 2391 OpC 08 40 32 -53 02.0           ~ 723 0
67 NGC 2660 OpC 08 42 38 -47 12.0   9.05 8.8     ~ 127 0
68 NGC 2682 OpC 08 51 18 +11 48.0           ~ 2055 0
69 NGC 3114 OpC 10 02 36 -60 07.2   4.47 4.2     ~ 168 0
70 * alf Leo PM* 10 08 22.31099 +11 58 01.9516 0.88 1.24 1.40 1.37 1.47 B8IVn 808 1
71 IC 2581 OpC 10 27 29 -57 37.0   4.79 4.3     ~ 114 0
72 IC 2602 OpC 10 42 58 -64 24.0           ~ 557 0
73 NGC 3532 OpC 11 05 39 -58 45.2           ~ 270 0
74 IC 2714 OpC 11 17 27 -62 44.0     8.2     ~ 75 0
75 NGC 3680 OpC 11 25 38 -43 14.6   8.40 7.6     ~ 291 0
76 NGC 3960 OpC 11 50 33 -55 40.4   9.07 8.3     ~ 115 0
77 NGC 4349 OpC 12 24 08 -61 52.3   8.01 7.4     ~ 92 0
78 Cl Melotte 111 OpC 12 25 06.00 +26 06 00.0           ~ 413 0
79 Cl Collinder 261 OpC 12 38 11.5 -68 22 01     10.7     ~ 159 0
80 Cl Trumpler 20 OpC 12 39 45 -60 38.1     10.1     ~ 76 0
81 NGC 5460 OpC 14 07 27 -48 20.6   5.85 5.6     ~ 81 0
82 NGC 5822 OpC 15 04 28 -54 23.4     6.5     ~ 174 0
83 NGC 6067 OpC 16 13 11 -54 13.1           ~ 173 0
84 NGC 6087 OpC 16 18 50 -57 56.1   5.85 5.4     ~ 151 0
85 NGC 6134 OpC 16 27 46 -49 09.1   7.89 7.2     ~ 130 0
86 NGC 6192 OpC 16 40 23 -43 22.0     8.5     ~ 67 0
87 NGC 6253 OpC 16 59 05 -52 42.0     10.2     ~ 146 0
88 NGC 6281 OpC 17 04 41 -37 59.1           ~ 102 0
89 IC 4651 OpC 17 24 49 -49 56.0           ~ 312 0
90 NGC 6404 OpC 17 39 40 -33 14.0     10.6     ~ 31 0
91 IC 4665 OpC 17 46 18 +05 43.0           ~ 317 0
92 NGC 6475 OpC 17 53 51 -34 47.6           ~ 339 0
93 NGC 6583 OpC 18 15 49 -22 08.0     10.0     ~ 48 0
94 NGC 6633 OpC 18 27 31.2 +06 34 12           ~ 326 0
95 IC 4725 OpC 18 31 47 -19 07.0           ~ 192 0
96 IC 4756 OpC 18 38 31.2 +05 29 24           ~ 199 0
97 NGC 6705 OpC 18 51 05 -06 16.2   6.32 5.8     ~ 359 0
98 NAME SDG G 18 55 03.1 -30 28 42   4.5 3.6     ~ 1777 2
99 NGC 6791 OpC 19 20 53 +37 46.3   10.52 9.5     ~ 879 0
100 NGC 6819 OpC 19 41 18 +40 11.2   8.21 7.3     ~ 474 0
101 NAME NGC 6882/5 OpC 20 11.9 +26 35           ~ 5 0
102 NGC 6939 OpC 20 31 30 +60 39.7   8.85 7.8     ~ 134 0
103 NGC 7142 OpC 21 45 10.0 +65 46 18   10.36 9.3     ~ 120 0
104 NGC 7160 OpC 21 53 40 +62 36.2   6.34 6.1     ~ 208 0
105 * omi And Be* 23 01 55.2645930 +42 19 33.533383 3.00 3.53 3.62 3.61 3.69 B6IV/V_sh 413 0
106 NGC 7789 OpC 23 57 24 +56 42.5   7.68 6.7     ~ 456 0

    Equat.    Gal    SGal    Ecl

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2020.10.25-23:53:50

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