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Table 3
Best fit model properties.
| dusty | ratran | ||||||||
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| Source | p | r0 | n0 | rout | nout | ν1000b | b | log10 (Gcr) | |
| (AU) | (108 cm-3) | (103 AU) | (104 cm-3) | (km s-1) | (km s-1) | (Fisrf) | |||
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| IRAS4A | 1.8 | 33.5 | 30.5 | 11.2 | 8.7 | 1.1 ± 0.2 | 0.4 ± 0.1 | –4.00 ± 0.25 | |
| L1527 | 0.9 | 5.4 | 0.9 | 6.5 | 15.0a | 0.4 ± 0.2 | 0.9 ± 0.1 | –4.25 ± 0.25 | |
| BHR71 | 1.7 | 24.8 | 9.4 | 12.4 | 2.4 | 1.3 ± 0.3 | 0.2 ± 0.1 | –4.50 ± 0.25 | |
| IRAS 15398 | 1.4 | 6.1 | 19.4 | 4.9 | 17.1a | 0.9 ± 0.2 | 0.7 ± 0.1 | –4.25 ± 0.25 | |
| GSS30-IRS1 | 1.6 | 16.2 | 1.2 | 5.9 | 1.0 | 1.0 ± 0.3 | 0.8 ± 0.1 | –3.50 ± 0.50 | |
| Ser-SMM4 | 1.0 | 12.1 | 7.9 | 12.5 | 43.1a | 6.0 ± 0.6 | 0.7 ± 0.1 | –4.00 ± 0.25 | |
| L1157 | 1.6 | 14.4 | 17.4 | 9.8 | 5.1 | 1.4 ± 0.5 | 0.3 ± 0.1 | –4.75 ± 0.25 | |
Notes.
(b)
ν1000 is the infall velocity extrapolated to 1000 AU. In the case of Ser-SMM4 this seems too high to be reasonable. The implications of these results are discussed further in Sect. 4.3.
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