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Table 1
Sample of protostellar systems.
| System | Source | RA | Dec | Separation (′′) | Class | Regiona | Lbol (L⊙) |
|---|---|---|---|---|---|---|---|
| Wide multiples | |||||||
| L1448N | A | 03:25:36.53 | +30:45:21.35 | … | I | Non-clustered | 5.88 ± 0.93 |
| B | 03:25:36.34 | +30:45:14.94 | 7.3 | 0 | 2.15 ± 0.33 | ||
| C | 03:25:35.53 | +30:45:34.20 | 16.3 | 0 | 1.22 ± 0.19 | ||
| NGC 1333 SVS 13 | A | 03:29:03.75 | +31:16:03.76 | … | I | Clustered | 119.28 ± 18.31 |
| B | 03:29:03.07 | +31:15:52.02 | 14.9 | 0 | 10.26 ± 1.57 | ||
| C | 03:29:01.96 | +31:15:38.26 | 34.7 | 0 | 2.22 ± 0.34 | ||
| NGC 1333 IRAS 5 | Per63 | 03:28:43.28 | +31:17:32.9 | … | I | Clustered | 1.38 ± 0.21 |
| Per52 | 03:28:39.72 | +31:17:31.9 | 45.7 | I | 0.12 ± 0.02 | ||
| NGC 1333 IRAS 7 | Per18 | 03:29:11.26 | +31:18:31.08 | … | 0 | Clustered | 4.77 ± 0.73 |
| Per21 | 03:29:10.67 | +31:18:20.18 | 13.3 | 0 | 3.50 ± 0.54 | ||
| Per49 | 03:29:12.96 | +31:18:14.31 | 27.5 | I | 0.65 ± 0.10 | ||
| B1-b | S | 03:33:21.30 | +31:07:27.40 | … | 0 | Non-clustered | 0.32 ± 0.05 |
| N | 03:33:21.20 | +31:07:44.20 | 17.4 | 0 | 0.16 ± 0.05 | ||
| W | 03:33:20.30 | +31:07:21.29 | 13.9 | I | 0.10 ± 0.02 | ||
| IC348 Per8+Per55b | Per8 | 03:44:43.94 | +32:01:36.09 | … | 0 | Non-clustered | 1.96 ± 0.30 |
| Per55 | 03:44:43.33 | +32:01:31.41 | 9.6 | I | 1.58 ± 0.26 | ||
| Close binaries | |||||||
| NGC 1333 IRAS 1 | 03:28:37.00 | +31:13:27.5 | 1.908 | I | Clustered | 11.00 ± 1.78 | |
| IRAS 03282+3035 | 03:31:21.00 | +30:45:30.0 | 0.098 | 0 | Non-clustered | 1.49 ± 0.23 | |
| IRAS 03292+3039b | 03:32:17.00 | +30:49:47.0 | 0.085 | 0 | Non-clustered | 0.89 ± 0.14 | |
| Single systems | |||||||
| IRAS 03271+3013 | 03:30:15.00 | +30:23:49.0 | … | I | Non-clustered | 1.62 ± 0.26 | |
| L1455-Per25 | 03:26:37.46 | +30:15:28.01 | … | 0 | Non-clustered | 1.09 ± 0.17 | |
| NGC 1333 SK1 | 03:29:00.00 | +31:12:00.7 | … | 0 | Clustered | 0.71 ± 0.11 | |
Notes. (a)Clustered regions are defined to have 34 YSO pc−1, while non-clustered regions present 6 YSO pc−1 (Plunkett et al. 2013). (b)Only observed in 13 CO with APEX.
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