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Table 5
Parameters of the models for the four proplyds studied.
| Symbol | Description | 105-600 | HST10 | 244-440 | 203-506 |
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| a env | Envelope semi-major axis | 4.75″ | 1.3″ | 2.8″ | ... |
| b env | Envelope semi-minor axis | 1.85″ | 0.5″ | 2.8″ | ... |
| n env | Envelope density | 8.5 × 103 cm-3a | 2.5 × 105 cm-3a | 1 × 105 cm-3a | 4.5 × 104 cm-3a |
| T D,env | Mean dust temperature in the envelope | 39.8 Ka | ... | ... | ... |
|
Fraction of gas phase C locked in PAHs | 0.24%a | 0.08%b | ... | ... |
| S disk | Apparent surface of the disk | 3.82 arcsec2a | 0.0314 arcsec2 | 0.47 arcsec2 | 0.36 arcsec2 |
| n disk | Mean disk surface layer density | 7 × 105 cm-3a | 4 × 106 cm-3a | 2 × 106 cm-3a | 1 × 106 cm-3a |
| TD,disk( <TD,env) | Mean dust temperature in the disk | 19.5 Ka | ... | ... | ... |
| G 0 | Radiation field | 2.2 × 104 | 2.4 × 105 | 1.0 × 105 | 2.0 × 104 |
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