Table 1
Source “stability”.
| Label | Density indicators | Size indicators | ||||
|---|---|---|---|---|---|---|
| nobs | nobs∕ncrit | Unstable? |  |
robs∕rmax | Unstable? | |
| [cm−3] | [cm−3] | [au] | [au] | |||
| serps1 | >2.02e+08b | 5.4 | True | <209.7b | 0.7 | True |
| serps2 | >8.90e+07b | 0.5 | ?? | <209.7b | 1.6 | False |
| serps3 | 2.63e+08 | 1.0 | False | 111.6 | 1.0 | False |
| serps4 | >4.17e+07b | 0.1 | ?? | <209.7b | 3.4 | ?? |
| serps16 | 5.77e+09 | 3480.2 | True | 92.9 | 0.1 | True |
| serps18 | 1.66e+07 | 113.1 | True | 978.8 | 0.2 | True |
| serps19 | 3.45e+06 | 2.2 | True | 1110.3 | 0.8 | True |
| serps24 | 5.15e+07 | 0.3 | False | 204.9 | 1.5 | False |
| serps25 | 2.87e+07 | 0.6 | False | 314.4 | 1.2 | False |
| serps28 | 3.08e+07 | 1.6 | True | 354.5 | 0.8 | True |
| serps30 | >5.46e+07b | 0.1 | ?? | <209.7b | 2.6 | ?? |
| serps31 | >3.35e+07b | 0.02 | ?? | <209.7b | 4.3 | ?? |
| serps32 | 2.83e+07 | 9.2 | True | 493.3 | 0.5 | True |
| serps33 | 7.49e+09 | 14056.5 | True | 102.9 | 0.04 | True |
| serps34 | 5.07e+07 | 0.5 | False | 226.5 | 1.3 | False |
| serps35 | 2.90e+07 | 8.3 | True | 478.9 | 0.5 | True |
| serps36 | 4.63e+07 | 8.1 | True | 377.1 | 0.5 | True |
| serps37 | 2.52e+07 | 5.0 | True | 472.4 | 0.6 | True |
| serps38 | 2.01e+08 | 24.6 | True | 218.2 | 0.3 | True |
| serps39 | 5.70e+07 | 6.3 | True | 326.6 | 0.5 | True |
| serps40 | 4.33e+07 | 262.8 | True | 696.9 | 0.2 | True |
| serps41 | 5.95e+07 | 197.2 | True | 566.8 | 0.2 | True |
| serps43 | 5.12e+07 | 1.8 | True | 280.1 | 0.8 | True |
| serps44 | 3.46e+07 | 1.7 | True | 337.5 | 0.8 | True |
| serps45 | 5.69e+09 | 112371.3 | True | 167.0 | 0.02 | True |
| serps46 | 1.18e+08 | 1516.4 | True | 566.1 | 0.1 | True |
| serps47 | 2.39e+07 | 29.6 | True | 652.5 | 0.3 | True |
| serps48 | 5.50e+07 | 4.9 | True | 318.7 | 0.6 | True |
| serps52 | 5.02e+06 | 0.1 | False | 564.2 | 2.1 | False |
| serps53 | 1.80e+07 | 0.1 | False | 309.1 | 1.9 | False |
| serps60 | >1.31e+08b | 1.5 | True | <209.7b | 1.1 | ?? |
| serps62 | 1.78e+08 | 0.2 | False | 101.6 | 1.8 | False |
| serps65 | 2.45e+07 | 0.1 | False | 244.6 | 2.2 | False |
| serps66 | > 4.91e+ 07b | 0.1 | ?? | <209.7b | 2.9 | ?? |
Notes. (a) robs corresponds to half of the mean of the major and minor axes of deconvolved fit (see Table A.1), except in the cases where the source was unresolved. For an unresolved source, robs corresponds to the major axis of the beamsize, and serves as an upper limit. (b)Where source size could not be deconvolved with beam, we use beamsize to determine lower limit on nobs and upper limit on robs. In some cases this results in the unstable criteria to be inconclusive (marked with “??”).
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