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Table 1.
Coordinates and parameters of the studied open clusters and remnants.
| Cluster | ℓ | b | RAJ2000 | DecJ2000 | d⊙ | RG | Z | Age | Rlim | Mphot | σv |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ( ° ) | ( ° ) | (h : m : s) | (° :′:″) | (kpc) | (kpc) | (kpc) | (Gyr) | (pc) | (M⊙) | (km s−1) | |
| Open clusters (OCs) | |||||||||||
| NGC 4337a | 299.3 | 4.6 | 12:24:05 | −58:07:19 | 2.75 ± 0.38 | 7.1 ± 0.5 | 0.22 ± 0.03 | 1.58 ± 0.18 | 8.01 ± 1.60 | 186 ± 18 | 0.9 ± 0.1 |
| NGC 3680 | 286.8 | 16.9 | 11:25:40 | −43:14:11 | 0.95 ± 0.13 | 7.8 ± 0.5 | 0.28 ± 0.04 | 1.58 ± 0.36 | 6.11 ± 0.28 | 102 ± 12 | 0.9 ± 0.1 |
| NGC 752a | 137.1 | −23.3 | 01:57:38 | 37:49:01 | 0.43 ± 0.04 | 8.3 ± 0.5 | −0.17 ± 0.02 | 1.41 ± 0.16 | 3.72 ± 0.25 | 158 ± 15 | 0.7 ± 0.1 |
| M 67 | 215.7 | 31.9 | 08:51:21 | 11:48:47 | 0.85 ± 0.04 | 8.6 ± 0.5 | 0.45 ± 0.02 | 3.55 ± 0.41 | 6.93 ± 0.49 | 772 ± 29 | 1.0 ± 0.0 |
| NGC 1582 | 159.3 | −2.9 | 04:31:50 | 43:47:46 | 0.95 ± 0.09 | 8.9 ± 0.5 | −0.05 ± 0.00 | 0.20 ± 0.09 | 5.56 ± 0.56 | 197 ± 19 | 1.2 ± 0.1 |
| NGC 2180b | 203.8 | −7.0 | 06:09:44 | 04:49:24 | 1.05 ± 0.14 | 9.0 ± 0.5 | −0.13 ± 0.02 | 0.71 ± 0.33 | 3.35 ± 0.61 | 27 ± 7 | 5.2 ± 0.9 |
| NGC 188 | 122.9 | 22.4 | 00:48:01 | 85:14:45 | 1.82 ± 0.17 | 9.1 ± 0.5 | 0.69 ± 0.06 | 7.08 ± 1.63 | 13.23 ± 1.06 | 323 ± 19 | 1.0 ± 0.1 |
| Open cluster remnants (OCRs) | |||||||||||
| Lynga 8 | 333.3 | −0.1 | 16:20:04 | −50:13:59 | 2.40 ± 0.33 | 6.0 ± 0.6 | 0.00 ± 0.00 | 0.40 ± 0.14 | 1.40 ± 0.35 | 38 ± 10 | 6.8 ± 1.4 |
| NGC 6481 | 29.9 | 14.9 | 17:52:48 | 04:10:03 | 1.51 ± 0.21 | 6.8 ± 0.5 | 0.39 ± 0.05 | 2.24 ± 0.77 | 1.32 ± 0.22 | 8 ± 3 | 7.2 ± 2.1 |
| ESO 324-SC15 | 309.3 | 20.6 | 13:23:33 | −41:53:33 | 1.32 ± 0.18 | 7.3 ± 0.5 | 0.46 ± 0.06 | 3.16 ± 0.36 | 3.83 ± 0.77 | 13 ± 4 | 6.4 ± 1.9 |
| Bica 5 | 294.9 | −0.6 | 11:41:35 | −62:25:04 | 1.91 ± 0.26 | 7.4 ± 0.5 | −0.02 ± 0.00 | 0.50 ± 0.17 | 1.66 ± 0.28 | 25 ± 7 | 6.1 ± 1.2 |
| NGC 7036 | 64.5 | −21.4 | 21:09:58 | 15:30:52 | 1.46 ± 0.20 | 7.5 ± 0.5 | −0.53 ± 0.07 | 2.24 ± 0.52 | 3.40 ± 0.42 | 15 ± 4 | 6.3 ± 1.4 |
| NGC 7193 | 70.1 | −34.3 | 22:03:08 | 10:48:14 | 1.25 ± 0.17 | 7.7 ± 0.5 | −0.70 ± 0.10 | 4.47 ± 1.54 | 3.64 ± 0.36 | 11 ± 3 | 5.7 ± 1.5 |
| NGC 1901 | 279.0 | −33.6 | 05:18:14 | −68:26:38 | 0.42 ± 0.06 | 8.0 ± 0.5 | −0.23 ± 0.03 | 0.50 ± 0.23 | 1.21 ± 0.24 | 22 ± 6 | 0.7 ± 0.1 |
| Alessi 3 | 257.9 | −15.4 | 07:16:33 | −46:40:31 | 0.26 ± 0.04 | 8.1 ± 0.5 | −0.07 ± 0.01 | 0.63 ± 0.22 | 1.53 ± 0.15 | 18 ± 5 | 0.9 ± 0.2 |
| ESO 435-SC48 | 264.8 | 22.3 | 10:09:32 | −28:21:43 | 2.69 ± 0.37 | 8.7 ± 0.5 | 1.02 ± 0.14 | 1.58 ± 0.73 | 6.25 ± 0.78 | 16 ± 5 | 9.2 ± 2.5 |
| NGC 3231 | 142.0 | 44.6 | 10:26:58 | 66:47:54 | 1.08 ± 0.17 | 8.7 ± 0.5 | 0.76 ± 0.12 | 2.00 ± 0.92 | 2.82 ± 0.31 | 11 ± 4 | 3.1 ± 1.0 |
| Ruprecht 31 | 250.1 | −6.0 | 07:42:60 | −35:36:00 | 2.29 ± 0.32 | 9.0 ± 0.5 | −0.24 ± 0.03 | 0.79 ± 0.18 | 4.00 ± 1.00 | 27 ± 7 | 8.1 ± 1.8 |
| ESO 425-SC15 | 236.4 | −20.4 | 06:14:33 | −29:21:54 | 1.91 ± 0.26 | 9.1 ± 0.5 | −0.66 ± 0.09 | 1.12 ± 0.52 | 3.88 ± 0.55 | 16 ± 5 | 7.1 ± 1.8 |
| ESO 426-SC26 | 239.6 | −16.5 | 06:36:18 | −30:51:57 | 2.00 ± 0.28 | 9.1 ± 0.5 | −0.57 ± 0.08 | 0.63 ± 0.14 | 5.80 ± 1.16 | 29 ± 7 | 5.3 ± 1.2 |
| ESO 425-SC06 | 235.4 | −22.3 | 06:04:52 | −29:11:04 | 2.00 ± 0.18 | 9.2 ± 0.5 | −0.76 ± 0.07 | 3.16 ± 0.36 | 3.48 ± 0.58 | 14 ± 4 | 6.9 ± 2.0 |
| Ruprecht 3 | 238.8 | −14.8 | 06:42:08 | −29:27:07 | 2.29 ± 0.32 | 9.4 ± 0.5 | −0.59 ± 0.08 | 1.12 ± 0.26 | 3.33 ± 0.67 | 24 ± 7 | 7.1 ± 1.7 |
| NGC 1663 | 185.9 | −19.7 | 04:49:24 | 13:08:25 | 2.40 ± 0.33 | 10.3 ± 0.6 | −0.81 ± 0.11 | 5.01 ± 2.31 | 6.98 ± 1.40 | 15 ± 4 | 3.9 ± 1.0 |
Notes.
(a)
[Fe/H] = 0.12 Carraro et al. (2014).
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