2009A&A...508..211C

Query : 2009A&A...508..211C

2009A&A...508..211C - Astronomy and Astrophysics, volume 508211-220 (2009/12-2)

Astrophysical parameters of 14 open clusters projected close to the galactic plane.

CAMARGO D., BONATTO C. and BICA E.

Abstract (from CDS):

Astrophysical parameters (age, reddening, distance, core and cluster radii) of 14 open clusters (OCs) projected close to the Galactic plane are derived with 2MASS photometry. The OCs are Be63, Be84, Cz6, Cz7, Cz12, Ru141, Ru144, Ru172, FSR101, FSR1430, FSR1471, FSR162, FSR178, and FSR198. The OCs Be63, Be84, Ru141, Ru144, and Ru172 are studied in more detail than in previous works, while the others have astrophysical parameters derived for the first time. We analyse the colour-magnitude diagrams (CMDs) and stellar radial density profiles (RDPs) built after field-star decontamination and colour-magnitude filtered photometry. Field-star decontamination is applied to uncover the cluster's intrinsic CMD morphology, and colour-magnitude filters are used to isolate stars with a high probability of being cluster members in view of structural analyses. The open clusters of the sample are located at d☉=1.6-7.1kpc from the Sun and at Galactocentric distances 5.5-11.8kpc, with age in the range 10Myr to 1.5Gyr and reddening E(B-V) in the range 0.19-2.56mag. The core and cluster radii are in the range 0.27-1.88pc and 2.2-11.27pc, respectively. Cz6 and FSR198 are the youngest OCs of this sample, with a population of pre-main sequence (PMS) stars, while FSR178 is the oldest cluster.

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Journal keyword(s): open clusters and associations: general - Galaxy: stellar content - Galaxy: structure

Simbad objects: 39

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Number of rows : 39
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 188 OpC 00 47 14.8 +85 14 42           ~ 990 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 NGC 381 OpC 01 08 23.3 +61 34 39           ~ 76 0
4 Cl Czernik 6 OpC 02 02 08.4 +62 50 23           ~ 38 0
5 Cl Czernik 7 OpC 02 02.4 +62 15           ~ 19 0
6 Cl Berkeley 63 OpC 02 19 27.5 +63 43 05           ~ 27 0
7 Cl Czernik 12 OpC 02 39 25.5 +54 54 53           ~ 33 0
8 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
9 NGC 1931 OpC 05 31 23 +34 14.0     10.1     ~ 136 0
10 NGC 2244 OpC 06 32 06.9 +04 54 19           ~ 673 1
11 Cl Pismis 5 OpC 08 37 37.1 -39 35 23           ~ 48 0
12 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
13 [FSR2007] 1430 OpC 08 51 52.0 -44 15 56           ~ 9 0
14 ESO 212-2 OpC 09 20 04.9 -49 15 39           ~ 14 0
15 [FSR2007] 1471 OpC 09 24 08.0 -47 20 39           ~ 9 0
16 NGC 3680 OpC 11 25 19.8 -43 14 38   8.40 7.6     ~ 340 0
17 NGC 3690 IG 11 28 31.0 +58 33 41   13.19 12.86     ~ 1015 4
18 NGC 3960 OpC 11 50 36.4 -55 40 40   9.07 8.3     ~ 152 0
19 NGC 4755 OpC 12 53 39.2 -60 22 07           ~ 300 0
20 Cl Lynga 2 OpC 14 24 23.9 -61 19 34   6.65 6.4     ~ 78 0
21 ESO 226-22 OpC 16 46 04.40 -50 45 40.1           ~ 14 0
22 NAME Galactic Center reg 17 45 39.60213 -29 00 22.0000           ~ 16269 0
23 [FSR2007] 0031 OpC 18 06 29.0 -21 22 33           ~ 20 0
24 M 16 OpC 18 18 45.1 -13 47 31           ~ 1084 1
25 Cl Ruprecht 141 OpC 18 31 18 -12 19.0           ~ 23 0
26 Cl Ruprecht 142 OpC 18 32 13 -12 12.9           ~ 13 0
27 Cl Ruprecht 144 OpC 18 33 41.8 -11 26 11           ~ 29 0
28 [FSR2007] 0089 OpC 18 48 39.0 -03 30 34           ~ 20 0
29 [FSR2007] 0101 OpC 18 49 14.0 +02 46 06           ~ 12 0
30 NGC 6823 OpC 19 43 11.3 +23 18 32   7.71 7.1     ~ 279 2
31 [FSR2007] 0162 OpC 20 01 32.0 +25 14 06           ~ 8 0
32 [FSR2007] 0198 OpC 20 02 24.4 +35 39 54           ~ 30 0
33 Cl Berkeley 84 OpC 20 04 41 +33 54.4           ~ 14 0
34 Cl Ruprecht 172 OpC 20 11 32.5 +35 35 53           ~ 33 0
35 [FSR2007] 0178 OpC 20 13 07.0 +29 07 12           ~ 8 0
36 NAME Outer Arm PoG 21 48 +69.4           ~ 370 0
37 M 52 OpC 23 24 47.2 +61 35 32           ~ 200 0
38 Cl King 20 OpC 23 33 12.1 +58 28 19           ~ 37 0
39 NAME Galactic Bulge reg ~ ~           ~ 4794 0

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