Table 7
Sensitivities of (sub)mm surveys of nearby molecular clouds and average properties of the detected starless cores.
| Cloud | Dist. | Freq. | HPBW | σa | σNb |
 c
|
Ref.d | ⟨ FWHM ⟩ e | ⟨ Ra ⟩f | ⟨ Npeak ⟩g | ⟨ n7500 AU ⟩h | Ref.d |
| (pc) | (GHz) | (″) | (mJy/beam) | (1021 cm-2) | (M⊙) | (1000 AU) | (1021 cm-2) | (105 cm-3) | ||||
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | (13) |
|
|
||||||||||||
| Chamaeleon I | 150 | 345 | 21 | 12 | 1.1 | 0.012 | 1 |
|
|
|
1.0 |
1 |
| Ophiuchus | 125 | 268 | 31 | 27 | 2.4 | 0.035 | 2 | 7.5 ± 3.5 | 1.3 ± 0.2 | 60 | 5.7–6.5 | 8 |
| 240 | 13 | 8 | 5.9 | 0.035 | 3 |
|
|
|
3 | |||
| Taurus | 140 | 250 | 11 | 1.4 | 1.3 | 0.007 | 4 |
|
|
|
3.0 | 4 |
| Perseus | 250 | 268 | 31 | 15 | 1.4 | 0.039 | 5 | 16.5 ± 6.0 | 1.7 ± 0.9 | 38 | 3.5–3.9 | 8 |
| 353 | 14 | 35 | 6.6 | 0.086 | 6 | 3.8 ± 0.2 | 1.4 ± 0.1 | 35 ± 3 | 9 | |||
| Serpens | 260 | 268 | 31 | 9.5 | 0.9 | 0.026 | 7 | 10.7 ± 3.1 | 1.7 ± 0.5 | 33 | 2.8–3.2 | 8 |
Notes. The values in Cols. 6 and 7 were computed with the same assumptions for all clouds (see Appendix B). The values in Cols. 9 to 12 obtained from the litterature were rescaled to match the physical assumptions and size criteria adopted for our analysis of Cha I (see Appendix B.6 for details).
References: (1) This work; (2) Young et al. (2006); (3) Motte et al. (1998); (4) Kauffmann et al. (2008); (5) Enoch et al. (2006); (6) Hatchell et al. (2005); (7) Enoch et al. (2007); (8) Enoch et al. (2008); (9) Curtis & Richer (2010).
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