2006MNRAS.365..867C

Query : 2006MNRAS.365..867C

2006MNRAS.365..867C - Mon. Not. R. Astron. Soc., 365, 867-873 (2006/January-3)

The young open cluster NGC 2129.

CARRARO G., CHABOYER B. and PERENCEVICH J.

Abstract (from CDS):

The first charge-coupled device UBV(RI)Cphotometric study in the area of the doubtful open cluster NGC 2129 is presented. Photometry of a field offset 15 arcmin northwards is also provided, to probe the Galactic disc population towards the cluster. Using star counts, proper motions from the UCAC2 catalogue, colour-magnitude and colour-colour diagrams, we demonstrate that NGC 2129 is a young open cluster. The cluster radius is 2.5 arcmin, and across this region we find evidence of significant differential reddening, although the reddening law seems to be normal towards its direction. Updated estimates of the cluster fundamental parameters are provided. The mean reddening is found to be E(B-V) = 0.80±0.08 and the distance modulus is (m-M)0= 11.70±0.30. Hence, NGC 2129 is located at 2.2 ±0.2 kpc from the Sun inside the Local spiral arm. The age derived from 37 photometrically selected members is estimated to be approximately 10 Myr. These stars are used to provide new estimates of the cluster absolute proper-motion components.

Abstract Copyright: 2005 The Authors. Journal compilation © 2005 RAS

Journal keyword(s): Hertzsprung-Russell (HR) diagram - open clusters and associations: general - open clusters and associations: individual: NGC 2129

Nomenclature: Table 1: Cl* NGC 2129 CCP NN N=36 among (Nos 2-82).

Simbad objects: 52

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Number of rows : 52
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 PG 0231+051 WD* 02 33 41.3574299856 +05 18 43.649856216 14.562 15.776 16.096 16.267 16.639 DAO.6 149 0
2 NGC 1220 OpC 03 11 40.6 +53 20 39     11.8     ~ 33 0
3 NGC 2129 45 * 05 39 44.346 +25 28 16.28   11.70 11.26     ~ 3 0
4 Cl* NGC 2129 CCP 53 * 06 00 44.4469382630 +23 23 09.842493480 15.779 15.526 14.919 14.625 14.287 B9 5 0
5 Cl* NGC 2129 CCP 40 * 06 00 46.5647563173 +23 20 18.191117705 15.265 15.087 14.449 14.126 13.743 B8 3 0
6 HD 250241 * 06 00 53.7353924184 +23 19 58.332711792 10.05 10.35 10.03     B3III 28 0
7 NGC 2129 48 * 06 00 58.4133013296 +23 19 32.611716300   13.074 12.586     B2 6 0
8 Cl* NGC 2129 CCP 54 * 06 01 00.8187088773 +23 19 09.247533728 15.537 15.367 14.727 14.440 14.001 B8 5 0
9 NGC 2129 74 * 06 01 00.9436866443 +23 22 25.614657303 16.491 16.11 15.518   14.661 B9 5 0
10 Cl* NGC 2129 CCP 47 * 06 01 01.5478157970 +23 19 56.112047473 15.640 15.446 14.760 14.478 14.019 B8 5 0
11 NGC 2129 28 * 06 01 01.5522947160 +23 19 29.860396248     13.414     B3 5 0
12 Cl* NGC 2129 CCP 29 * 06 01 01.8696448594 +23 18 05.483342537 14.403 14.435 13.787 13.460 13.000 B4 5 0
13 Cl* NGC 2129 CCP 60 * 06 01 02.8563998616 +23 19 48.207186480 16.249 15.913 15.179 14.864 14.360 B9 4 0
14 NGC 2129 23 * 06 01 02.9962181640 +23 18 02.292731244     12.157     B3 5 0
15 NGC 2129 31 * 06 01 03.4347812064 +23 20 09.513408444     12.0 12.25   B4~ 3 0
16 LS V +23 13 * 06 01 03.6298258560 +23 20 14.624130012   11.18 10.61 11.27   B6V 12 0
17 NGC 2129 21 * 06 01 04.7564544888 +23 17 20.136099768   11.81 11.65     B7 5 0
18 NGC 2129 53 * 06 01 04.9287858912 +23 21 43.906798944   13.205 12.614     B3 5 0
19 NGC 2129 6 * 06 01 04.9699769736 +23 19 43.849832808   12.506 11.945 11.880   B2 8 0
20 LS V +23 14 * 06 01 05.2332314630 +23 21 25.384704069   11.72 11.60     B5?V 17 0
21 NGC 2129 5 * 06 01 05.5919248488 +23 18 28.219563072     13.242     B7 1 0
22 HD 250289 Be* 06 01 05.8696266144 +23 20 20.383138500 7.74 8.71 8.23     B2III:e 71 0
23 NGC 2129 OpC 06 01 06.6 +23 20 04   7.31 6.7     ~ 120 0
24 NGC 2129 20 * 06 01 07.3018038096 +23 17 26.380632408     13.515     B3 4 0
25 HD 250290 * 06 01 07.6508346528 +23 18 17.487158652 7.74 7.90 7.41     B3Ib 64 0
26 Cl* NGC 2129 CCP 55 * 06 01 07.8598472208 +23 19 39.780557616 15.991 15.715 14.987 14.658 14.140 B8 4 0
27 Cl* NGC 2129 CCP 26 * 06 01 08.3740905697 +23 17 53.985966883 14.407 14.509 13.876 13.531 12.986 B4 3 0
28 NGC 2129 3 * 06 01 09.2263047552 +23 19 06.540506724   11.89 11.97     B3 7 0
29 Cl* NGC 2129 CCP 82 * 06 01 09.290 +23 17 34.05 16.872 16.435 15.619 15.265 14.685 A0.5 1 0
30 Cl* NGC 2129 CCP 28 * 06 01 09.5036480783 +23 23 40.622478839 14.097 14.156 13.529 13.240 12.781 B4 4 0
31 LS V +23 17 V* 06 01 09.5351469096 +23 20 29.598191304   11.02 10.45 10.25   B6V 19 0
32 Cl* NGC 2129 CCP 79 * 06 01 10.4748228130 +23 18 37.743340837 16.878 16.444 15.643 15.283 14.689 A0.5 3 0
33 NGC 2129 91 * 06 01 10.8123718992 +23 15 27.991029312   13.33 12.83     B8 3 0
34 NGC 2129 35 Em* 06 01 10.8265166891 +23 21 32.377330953   12.14 11.57 12.42   Me 12 0
35 Cl* NGC 2129 CCP 66 * 06 01 11.2766531592 +23 19 16.865971356 16.525 16.126 15.336 14.970 14.403 B9 4 0
36 NGC 2129 108 * 06 01 11.7761975612 +23 23 43.742704342     12.766     B5 8 0
37 Cl* NGC 2129 CCP 48 * 06 01 11.9801095416 +23 18 17.310009636 15.831 15.593 14.886 14.562 14.021 B8 4 0
38 NGC 2129 42 * 06 01 14.3906634096 +23 18 08.971505352   12.724 12.224     B2 6 0
39 Cl* NGC 2129 CCP 33 * 06 01 14.7605451263 +23 16 31.554722138 15.008 14.83 14.21 14.02 13.340 B5 8 0
40 LS V +23 18 * 06 01 17.4734847672 +23 19 31.278401472   11.91 11.39     B 13 0
41 NGC 2129 40 * 06 01 17.7630866021 +23 18 07.402083802     12.886     B4 4 0
42 Cl* NGC 2129 CCP 36 * 06 01 19.060 +23 23 19.70 15.283 14.962 14.290 14.040 13.540 B9 1 0
43 Cl* NGC 2129 CCP 32 * 06 01 19.6404772128 +23 19 13.686080160 15.081 14.62 13.97 13.90 13.306 B9 3 0
44 NGC 2158 OpC 06 07 26.7 +24 05 53           ~ 317 0
45 NGC 2168 OpC 06 09 07.5 +24 20 15           ~ 604 0
46 RL 149 HS* 07 24 14.3741784768 -00 33 04.165016904 12.958 13.737 13.866 13.906 13.974 sdB 114 0
47 SA 101- reg 09 57 28.2 -00 19 39           ~ 74 0
48 Cl Trumpler 14 OpC 10 43 56.0 -59 33 07   5.70 5.5     ~ 547 0
49 Cl Trumpler 15 OpC 10 44 43.6 -59 22 07           ~ 229 0
50 V* UY Sex HS* 10 50 02.8265487864 -00 00 36.879009588 12.063 13.184 13.474 13.606 13.769 sdO9VIIHe6 175 0
51 Cl Mrk 50 OpC 23 15 14.5 +60 26 25   9.09 8.5     ~ 56 0
52 NAME Local Arm reg ~ ~           ~ 649 0

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