Table 5
Properties of the sub-regions of the Perseus molecular cloud.
| Name | RA | Dec | Peak | M | Area | Med(T) | Md(α,δ) |  |
Pro | Pre | UB | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| J2000 | (1021 cm−2) | (M⊙) | (arcmin2) | (K) | (M⊙) | (pc) | ||||||||
| L1451 | 51.32 | 30.32 | 16.9 | 276 | 125 | 746 | 140 | 15.1 | 13.3 | 246 | 283 | 0 | 19 | 8 |
| L1448 | 51.40 | 30.76 | 106 | 313 | 194 | 610 | 122 | 15.2 | 13.2 | 285 | 285 | 4 | 18 | 7 |
| L1455 | 51.92 | 30.20 | 37.0 | 740 | 375 | 1897 | 420 | 15.0 | 13.3 | 677 | 286 | 8 | 36 | 17 |
| NGC1333 | 52.29 | 31.23 | 138 | 1060 | 727 | 1661 | 538 | 15.2 | 13.8 | 1021 | 294 | 44 | 23 | 23 |
| Perseus6 | 52.64 | 30.44 | 19.1 | 203 | 74 | 579 | 93 | 15.5 | 13.6 | 191 | 290 | 5 | 4 | 2 |
| B1 | 53.34 | 31.13 | 112 | 1443 | 780 | 3444 | 657 | 15.8 | 14.2 | 1423 | 297 | 15 | 31 | 38 |
| B1E | 53.98 | 31.24 | 9.65 | 389 | 157 | 887 | 215 | 15.6 | 14.7 | 395 | 301 | 0 | 8 | 9 |
| L1468 | 54.91 | 31.53 | 7.87 | 455 | 49 | 1391 | 79 | 17.4 | 15.7 | 479 | 307 | 0 | 4 | 18 |
| IC348(a) | 55.98 | 32.01 | 57.6 | 1568 | 881 | 3258 | 1082 | 17.2 | 16.5 | 1730 | 314 | 26 | 41 | 51 |
| B5 | 56.62 | 32.49 | 23.9 | 410 | 106 | 1225 | 122 | 16.4 | 14.6 | 484 | 325 | 3 | 6 | 6 |
| HPZ1(b) | 51.37 | 31.40 | 7.98 | 275 | 8 | 1282 | 13 | 15.9 | 14.3 | 257 | 289 | 0 | 1 | 9 |
| HPZ2 | 52.98 | 30.01 | 6.73 | 116 | 3 | 575 | 5 | 16.1 | 13.9 | 108 | 289 | 0 | 1 | 5 |
| HPZ3 | 53.89 | 31.40 | 3.88 | 24 | 1 | 92 | 2 | 16.3 | 14.4 | 24 | 302 | 0 | 0 | 1 |
| HPZ4 | 54.54 | 31.34 | 4.70 | 93 | 26 | 243 | 44 | 17.5 | 17.1 | 96 | 305 | 1 | 0 | 1 |
| HPZ5 | 54.72 | 30.66 | 6.33 | 90 | 12 | 315 | 18 | 15.9 | 14.3 | 92 | 302 | 0 | 1 | 0 |
| HPZ6 | 56.32 | 32.08 | 11.4 | 40 | 17 | 101 | 23 | 16.8 | 15.9 | 46 | 318 | 2 | 2 | 2 |
Notes. Coordinatesgive the position of the peak in column density reported in the “Peak” column. The next six columns give the mass, area, and median temperature, with two values for each parameter. The first value refers to the entire subregion within the boundaries shown in Fig. 9, and the second value applies only for the data with N(H2) > 3 × 1021 cm−2. The column labelled Md(α,δ) gives the mass of each subregion using a modified distance according to Eq. (1), with 
being the mean distance for the entire region. The last three columns are the number of cores detected: protostars, prestellar cores, and unbound cores. (a) Includes regions B3 and B4; (b)coordinates of the geometrical centre.
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