Young Open Clusters
 

Young stellar kinematic groups and their relation with young open clusters, star forming regions and the Gould Belt
Montes D., 2000, in ASP Conf. Ser., The 11th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun , (Challenges for the New Millennium), (October 4th - 8th, 1999, Puerto de la Cruz, Tenerife, Spain)
PS_file

Name Age (Myr) d (pc) [Fe/H] AR Dec U, V, W

NGC 2264
(Mel 49)

(Monoceros)

- Christmas Tree
- Cone Nebula

20 (L)
9.8 (W)
3 (D) 		752 (L)
718 (D)
350 Hip(R) 		-0.15 (L) 06 38.3 +9 56 -18.17 ±0.56 -13.83 ±1.38 -2.83 ±1.29

IC 348
(o Persei)
(Gingrich 1, Col 41)

(Perseus)

- Embedded in the Per OB2 association (3)

126 (L)
18 (W)
0.5 - 12 (2) 		390 (L)
327 (W)
261 (3) 		- 03 41.4 +32 08 -19.80 ±2.70 -10.31 ±4.51 -11.60 ±4.30

IC 2602
(theta Carinae)

(Carina) 		10 (L)
23 (W)
~35
40 (D) 		155 (L)
164 (W)
137 (D)
152.0Hip(R) 		-0.20 (L)
-0.09±0.01 (5) 		10 43.2 -64 24 -8.44 ±0.37 -20.25 ±0.31 -0.23 ±0.12

IC 2391
(o Velorum)

(Vela) 		36 (L)
44 (W)
~35
50.1 (D)
53±5 LDB(6) 		140 (L)
164 (W)
141 (D)
146.0Hip(R) 		-0.04 (L)
-0.09±0.02 (5) 		08 40.2 -53 04 -22.95 ±0.76 -13.64 ±0.20 -5.85 ±0.21

delta Lyr
(Stephenson 1)

(Lyra) 		25 (L)
41 (W) 		315 (W) -0.10 (L) 18 51.8 +36 51 -6.75 ±1.00 -23.06 ±0.88 -10.50 ±1.03

a Car
(HIP 45080)

(Carina) 		60 (1) 132Hip(1) - 09 09 -58 45 -10.75 ±1.46 -24.41 ±0.19 -3.40 ±0.05

Trumpler 10
(Col 203)

(Vela)

OB: Trumpler 10

47 (L)
38 (W)
32 (D)
~15 (Z) 		380 (L)
338 (W)
363 (D)
365.0Hip(R)
366Hip(Z) 		-0.08 (L) 08 46.0 -42 18 -27.30 ±2.63 -21.86 ±3.49 -9.52 ±1.12

Collinder 140

(Canis Mayor) 		22 (L)
40 (W)
40 (D) 		300 (L)
347 (W)
348 (D)
409.8Hip(R) 		+0.05 (L) 07 22.0 -32 06 -21.80 ±2.12 -10.05 ±2.95 -13.17 ±1.39

Collinder 121

(Canis Mayor)

OB: Collinder 121

1.5 (L)
10 (W)
10 (D)
~5 (Z) 		170 (L)
573 (W)
631 (D)
556Hip(R)
592Hip(Z) 		- 06 52.1 -24 34 -25.60 ±4.12 -12.52 ±2.82 -8.69 ±4.10

NGC 2232
(Col 93)

(Monoceros) 		22 (L)
39 (W)
71 (D) 		400 (L)
316 (W)
380 (D)
324.7Hip(R) 		-0.20 (L) 06 24.1 -4 43 -15.70 ±0.57 -11.88 ±0.48 -11.29 ±1.06

IC 4665
(Mel 179)

(Ophiuchus) 		36 (L)
38 (W)
< 40 (1)
40 (D) 		430 (L)
344 (W)
327 (D) 		- 17 46.3 +05 43 -8.06 ±0.00 -16.86 ±0.00 -0.58 ±0.00

NGC 2547
(Mel 84)

(Vela) 		58 (L)
76 (W)
14 - 55 (1)
45 (D)
>23 LDB(2) 		400 (L)
428 (W)
380 (D)
432.9Hip(R) 		-0.13 (L)
-0.16 (W) 		8 10 -49 13 -18.98 ±2.28 -10.82 ±1.26 -13.22 ±1.52

NGC 2451 A
(Col 161)
(Puppis MG)

(Puppis) 		36 (L)
100 (W)
50 (D) 		220 (L)(1)
242 (W)
151 (D)
190 (2)(3)
188.7Hip(R) 		-0.45 (L) 07 43.6 -37 51 -28.84 ±0.77 -19.68 ±0.72 -13.78 ±0.41

NGC 2451 B

(Puppis) 		< 100 400 (1)(2) - 07 -37

Blanco 1
(zeta Sculptoris)

(Sculptor) 		50 (L)
71 (W)
~90 (3) 		190 (L)
240 (W)
262.5Hip(R) 		+0.03 (L)
+0.23±0.02(2)
+0.14 (4) 		23 48 -28 07 -21.68 ±2.67 -7.02 ±0.93 -9.50 ±0.57

Persei
(Melotte 20)

(Perseus)

OB: Per OB3 (Cas-Tau group)

51 (L)
79 (W)
25 (D)
>75 LDB(6)
90±10 LDB(7) 		170 (L)
155 (D)
190.5Hip(R)
177Hip(Z) 		+0.10 (L)
-0.054±0.046(B) 		03 24 +49 51 -15.31 ±0.70 -25.74 ±0.97 -8.05 ±0.33

M47
(NGC 2422, Mel 68)

(Puppis) 		78 (L)
60 (W)
100 (D) 		480 (L)
426 (W)
423 (D)
497.5Hip(R) 		- 07 34.3 -14 23 -28.31 ±3.18 -15.71 ±3.28 -10.76 ±2.77

Pleiades
(M45, Melotte 22)

(Taurus) 		78 (L)
83 (W)
112 (D)
125±8LDB(11)		 126 (L)
124 (D)
118.2Hip(R) 		+0.11 (L)
-0.034±0.024(B)
-0.11 (G) 		03 47.0 +24 07 -6.32 ±0.45 -24.32 ±0.68 -13.13 ±0.36

M35
(NGC 2168)

(Gemini) 		107 (L)
100 (L) 		870 (L)
846 (W) 		-0.16 (W) 06 05.8 +24 21 11.77 ±0.00 -16.76 ±0.00 -6.20 ±0.00

NGC 2516
(Mel 82)

(Carina) 		107 (L)
62 (W)
126 (D)
~150 		440 (L)
373 (L)
372 (D)
346.0Hip(R) 		-0.23 (L)
+0.06 (W)
-0.32±0.06(2)
+0.05 , -0.18 (3)		 07 58.3 -60 52 -17.37 ±1.41 -23.80 ±0.42 -3.70 ±0.40

M34
(NGC 1039)

(Perseus) 		195 (L)
182 (W)
250 (2) 		440 (L)
501 (W) 		-0.26 (L)
Plei (2) 		02 42.0 +42 47 -0.06 ±0.62 -28.35 ±0.46 -22.83 ±0.22

M7
(NGC 6475)

(Scorpius) 		224 (L)
129 (W) 		239 (L)
280.1Hip(R) 		+0.07 (W)
+0.110±0.034(2) 		17 50.6 -34 48 -15.40 ±0.21 -2.85 ±0.47 -5.14 ±0.67

NGC 3532
(Mel 103)

(Carina) 		347 (L)
251 (W) 		500 (L)
443 (W)
404.9Hip(R) 		-0.02 (W) 11 04.3 -58 24 -20.72 ±3.60 -10.65 ±2.66 1.22 ±0.74

Ursa Mayor
(Collinder 285)

(Ursa Mayor) 		162 (L)
~300 (2) 		20 (L)
24.3 		-0.086±0.021(B) 12 03 +58

M39
(NGC 7092)

(Cygnus) 		269 (L)
407 (W) 		270 (L)
349 (W)
310.6Hip(R) 		- 21 30.4 +48 13 28.31 ±2.56 -4.73 ±0.40 -13.35 ±1.28

Coma Berenices
(Melotte 111)

(Coma Berenices) 		398 (L)
490 (W)
500 		86 (L)
83 (W)
87.0Hip(R) 		-0.03 (L)
-0.052±0.026(F) 		12 22.6 +26 23 -2.17 ±0.10 -5.56 ±0.12 -0.65 ±0.20

IC 4756
(Col 386)

(Serpens Cauda) 		575 (L)
603 (W) 		400 (L)
480 (W)
330.0Hip(R) 		+0.04 (L)
-0.06 (W) 		18 36.5 + 5 24 25.97 ±0.88 8.59 ±1.11 -1.06 ±0.79

The Hyades
(Melotte 25)

(Tauro) 		661 (L)
631 (W) 		48 (L)
46.3Hip(P) 		+0.12 (L)
+0.17 (W)
+0.127±0.022(B) 		04 26.9 +15 52 -42.48 ±0.21 -0.04 ±0.00 -17.47 ±0.09

Praesepe
(M44, NGC 2632)

(Cancer) 		661 (L)
692 (W)
400-900 		180 (L)
180.5Hip(R) 		+0.07 (L)
+0.14 (W)
+0.038±0.039(F)
+0.17 (G) 		08 40.4 +19 40 -42.40 ±0.92 -19.77 ±0.45 -9.20 ±1.57

NGC 1901
(Bok 1)

(Dorado)

Projected against the LMC

501 (L)
832 (W) 		300 (L)
415 (W) 		- 05 18.0 -68 30 -24.67 ±1.98 -10.24 ±1.99 -5.07 ±1.98

(L): Lynga (1987), Catalogue of Open Cluster Data (5th Ed.)
(W): WEBDA, the Web version of BDA, The DataBase for Stars in Open Clusters (J.-C. Mermilliod, Univ. of Lausanne)
(B): Boesgaard A.M., & Friel E.D., "Chemical composition of open clusters. I - Fe/H from high-resolution spectroscopy", 1990, ApJ 351, 467
(F): Friel E.D., & Boesgaard A.M., "Chemical composition of open clusters. III - Iron and carbon in F dwarfs in Coma, Praesepe, and M67", 1992, ApJ 387, 170
(G): Grenon, M. (priv. comun.) as given by Robichon et al. 1999, ASP Conf. Ser. (Palermo), in press
(D): Dambis A.K., "Space-Age Distribution of Young Open Clusters and Observational Selection", 1999, Ast L 25, 7
LDB: Age determined by the Lithium Depletion Boundary method
Hip: d (pc) from Hipparcos data
(P): Perryman M.A.C., et al., "The Hyades: distance, structure, dynamics, and age", 1998, A&A 331, 81
(R): Robichon N., et al., "Open clusters with Hipparcos I. Mean astrometric parameters", 1999, A&A 345, 471
(Z): De Zeeuw P.T., et al. "A Hipparcos Census of the Nearby OB Associations", 1999, AJ 117, 354

Open Clusters

David Montes, dmg@astrax.fis.ucm.es