Open Access
Table 1
Derived masses for cloud structures in Ophiuchus from the HP2 map (Fig. 2).
| Name | Area | ⟨AK⟩ | Mass | Surf. density |
|---|---|---|---|---|
| pc2 | mag | M⊙ | M⊙/pc2 | |
| Entire HP2 map | 2405.9 | 0.2 | 72 660 | 30 |
| AK > 0.1 | 2004.9 | 0.2 | 67 048 | 33 |
| AK > 0.5 | 34.9 | 0.9 | 5196 | 149 |
| AK > 0.8 | 10.0 | 1.6 | 2660 | 267 |
| L1688 AK > 0.5 | 5.7 | 1.4 | 1367 | 242 |
| L1688 AK > 0.8 | 2.9 | 2.2 | 1081 | 374 |
| L1689 AK > 0.5 | 4.2 | 1.1 | 780 | 188 |
| L1689 AK > 0.8 | 2.2 | 1.5 | 563 | 261 |
| B44 AK > 0.5 | 9.9 | 0.9 | 1485 | 150 |
| B44 AK > 0.8 | 6.6 | 1.0 | 1123 | 170 |
| L1712 AK > 0.5 | 3.3 | 0.8 | 465 | 140 |
| L1712 AK > 0.8 | 1.3 | 1.1 | 250 | 187 |
| B45 AK > 0.5 | 2.4 | 0.8 | 345 | 141 |
| B45 AK > 0.8 | 0.7 | 1.3 | 147 | 227 |
| L1709 AK > 0.5 | 1.2 | 1.0 | 206 | 170 |
| L1709 AK > 0.8 | 0.5 | 1.6 | 129 | 279 |
| L43 AK > 0.5 | 0.3 | 1.2 | 52 | 203 |
| L43 AK > 0.8 | 0.2 | 1.5 | 45 | 251 |
| Oph N AK > 0.5 | 5.8 | 0.5 | 495 | 85 |
| Oph N AK > 0.8 | 1.7 | 1.3 | 374 | 223 |
| Oph Arc | 71.9 | 0.2 | 2675 | 37 |
| B40 | 78.0 | 0.3 | 3569 | 46 |
| Atomic Pillar | 3.1 | 0.1 | 55 | 17 |
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