Table 2
3 mm compact sources identified from the ALMA data.
| # | RA (2000) | Dec (2000) | Iν (peak) | F ν | Sizea | M | Associationb | Class.c |
| [mJy beam-1] | [mJy] | [M⊙] | ||||||
|
|
||||||||
| OMC-3/MMS 7 | ||||||||
|
|
||||||||
| 1 | 05:35:28.165 | –05:03:41.25 | 13.6 | 8.3 | 4 1 × 24 |
0.4 | HOPS85 | ps(flat) |
| 2 | 05:35:26.541 | –05:03:54.91 | 49.4 | 39.2 | 44 × 25 |
1.9 | HOPS84 | ps(I) |
|
|
||||||||
| OMC-3/MMS 8–10 | ||||||||
|
|
||||||||
| 3 | 05:35:27.999 | –05:04:57.36 | 17.6 | 7.5 | 39 × 25 |
0.4 | HOPS81 | ps(0) |
| 4 | 05:35:25.950 | –05:05:43.24 | 40.3 | 42.2 | 26 × 40 |
2.1 | HOPS78 | ps(0) |
| 5 | 05:35:26.120 | –05:05:45.79 | 4.8 | 8.6 | 62 × 26 |
0.4 | – | starless |
| 6 | 05:35:26.666 | –05:06:10.60 | 4.6 | 6.3 | 38 × 24 |
0.3 | HOPS75 | ps(0) |
| 7 | 05:35:24.849 | –05:06:21.63 | 5.7 | 3.9 | 43 × 25 |
0.2 | HOPS74 | ps(flat) |
|
|
||||||||
| OMC-2/FIR 1–2 | ||||||||
|
|
||||||||
| 8 | 05:35:21.870 | –05:07:01.64 | 8.4 | 4.6 | 48 × 26 |
0.2 | – | psd |
| 9 | 05:35:27.731 | –05:07:03.73 | 5.0 | 12.0 | 54 × 35 |
0.6 | HOPS73 | ps(0) |
| 10 | 05:35:23.507 | –05:07:09.79 | 18.3 | 17.0 | 51 × 25 |
0.8 | – | starless |
| 11 | 05:35:24.188 | –05:07:52.75 | 9.7 | 38.1 | 64 × 40 |
1.9 | – | starless |
| 12 | 05:35:24.847 | –05:07:53.72 | 15.8 | 52.1 | 63 × 30 |
2.6 | 019003 | PBRSe |
| 13 | 05:35:25.584 | –05:07:57.34 | 33.3 | 15.2 | 38 × 24 |
0.7 | HOPS71 | ps(I) |
| 14 | 05:35:22.502 | –05:08:04.60 | 4.2 | 5.1 | 59 × 25 |
0.3 | HOPS70 | ps(flat) |
| 15 | 05:35:24.009 | –05:08:27.65 | 4.2 | 8.0 | 64 × 32 |
0.4 | – | starless |
| 16 | 05:35:24.287 | –05:08:30.65 | 21.1 | 33.6 | 42 × 32 |
1.7 | HOPS68 | ps(I) |
|
|
||||||||
| OMC-2/FIR 3–5 | ||||||||
|
|
||||||||
| 17 | 05:35:26.928 | –05:09:24.40 | 8.2 | 30.4 | 57 × 42 |
1.5 | HOPS66, SOF1 | ps(flat) |
| 18 | 05:35:27.197 | –05:09:26.10 | 3.3 | 5.6 | 37 × 44 |
0.3 | – | starless |
| 19 | 05:35:27.512 | –05:09:29.54 | 3.3 | 13.2 | 40 × 66 |
0.7 | – | starless |
| 20 | 05:35:27.618 | –05:09:34.06 | 70.3 | 51.7 | 37 × 26 |
2.5 | HOPS370, | ps(I) |
| FIR3, SOF2N, | ||||||||
| CO outflow | ||||||||
| 21 | 05:35:21.566 | –05:09:38.62 | 12.3 | 4.7 | 33 × 27 |
0.2 | HOPS65 | ps(I) |
| 22 | 05:35:26.992 | –05:09:48.62 | 4.9 | 7.3 | 53 × 29 |
0.4 | – | starless |
| 23 | 05:35:27.528 | –05:09:50.64 | 2.3 | 14.0 | 92 × 39 |
0.7 | – | starless |
| 24 | 05:35:26.928 | –05:09:54.51 | 6.4 | 10.1 | 28 × 46 |
0.5 | HOPS64 | psd |
| 25 | 05:35:27.015 | –05:09:59.59 | 3.9 | 5.9 | 59 × 25 |
0.3 | HOPS108, | ps(0) |
| FIR4, SOF3 | ||||||||
| 26 | 05:35:26.797 | –05:10:04.81 | 4.5 | 11.6 | 36 × 56 |
0.6 | – | starless |
| 27 | 05:35:26.455 | –05:10:05.10 | 10.6 | 20.6 | 28 × 53 |
1.0 | – | starless |
| 28 | 05:35:26.396 | –05:10:15.20 | 4.5 | 37.3 | 51 × 94 |
1.8 | – | starless |
| 29 | 05:35:26.325 | –05:10:25.13 | 3.8 | 24.7 | 50 × 76 |
1.2 | – | starless |
| 30 | 05:35:24.717 | –05:10:29.78 | 27.4 | 15.2 | 39 × 24 |
0.7 | HOPS368, SOF5 | ps(I) |
|
|
||||||||
| OMC-2/FIR 6 | ||||||||
|
|
||||||||
| 31 | 05:35:23.278 | –05:12:03.15 | 44.7 | 34.3 | 24 × 40 |
1.7 | HOPS60, FIR6b, | ps(0) |
| CO outflow | ||||||||
| 32 | 05:35:22.745 | –05:12:26.47 | 9.9 | 24.9 | 40 × 45 |
1.2 | FIR6a | starless |
| 33 | 05:35:22.939 | –05:12:40.70 | 2.7 | 14.8 | 72 × 48 |
0.7 | FIR6a | starless |
| 34 | 05:35:18.221 | –05:13:05.83 | 14.7 | 7.1 | 41 × 26 |
0.4 | – | psd |
| 35 | 05:35:21.705 | –05:13:13.08 | 3.1 | 12.7 | 41 × 70 |
0.6 | FIR6c | starless |
| 36 | 05:35:20.138 | –05:13:15.40 | 67.3 | 40.9 | 38 × 24 |
2.0 | HOPS59, FIR6d, | ps(flat) |
| CO outflow | ||||||||
| 37 | 05:35:21.348 | –05:13:17.54 | 27.9 | 22.5 | 42 × 24 |
1.1 | HOPS409, FIR6c, | ps(0) |
| CO outflow | ||||||||
| 38 | 05:35:20.760 | –05:13:22.51 | 4.6 | 9.1 | 53 × 30 |
0.4 | FIR6c | starless |
| 39 | 05:35:18.516 | –05:13:38.20 | 34.9 | 9.5 | 39 × 25 |
0.5 | HOPS58 | ps(flat) |
|
|
||||||||
| 40 | 05:35:19.872 | –05:15:08.02 | 27.1 | 16.2 | 39 × 24 |
0.8 | HOPS57 | ps(flat) |
| 41 | 05:35:19.503 | –05:15:32.70 | 4.1 | 9.3 | 46 × 39 |
0.5 | HOPS56 | ps(0) |
| 42 | 05:35:25.265 | –05:15:35.25 | 31.0 | 17.7 | 41 × 24 |
0.9 | – | psd |
| 43 | 05:35:19.413 | –05:15:37.98 | 9.5 | 11.0 | 26 × 43 |
0.5 | – | starless |
Notes.
Association with the far-infrared sources as labelled in (Mezger et al. 1990; Chini et al. 1997), HOPS protostars (Furlan et al. 2016), PBRSs (Stutz et al. 2013), SOFIA mid-infrared detections (Adams et al. 2012), and CO outflows (Shimajiri et al. 2008, 2009).
Evolutionary classification of the object. Classification of protostars (ps) is according to Furlan et al. (2016) unless otherwise stated. The objects without identified protostars are considered starless.
The core coincides with a disk source (Megeath et al. 2012). Due to the association with extended 3 mm emission and the low expected number of chance superpositions, we re-classify the source as a protostar.
PBRS, i.e., a Class 0 source with a very red spectral energy distribution (Stutz et al. 2013).
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