Table 9
Effects of UV variability. Comparison between the preferred model, and an identical model illuminated by an input spectrum typical of a “high UV” state for this object.
| Best-fit model | Test model (high UV) | |
|
|
||
| LUV/L⋆ | 0.097 | 0.155 |
| MH | 2.67 × 10-5 M⊙ | 2.82 × 10-5 M⊙ |
| MC + | 8.67 × 10-8 M⊙ | 9.42 × 10-8 M⊙ |
| MCO | 1.54 × 10-5 M⊙ | 1.66 × 10-5 M⊙ |
|
|
||
| ⟨ TCO ⟩ | 55.3 K | 55.0 K |
| ⟨ TCO ⟩ (z/R > 0.2, R < 20 AU) | 262.8 K | 332.6 K |
|
|
||
| F [Oi] 63 μm | 1.91 × 10-16 W m-2 | 2.49 × 10-16 W m-2 |
| F [Cii] 58 μm | 1.12 × 10-17 W m-2 | 1.41 × 10-17 W m-2 |
| FCO 3−2 | 1.22 × 10-18 W m-2 | 1.31 × 10-18 W m-2 |
| FCO 36−35 | 4.23 × 10-19 W m-2 | 6.22 × 10-19 W m-2 |
Notes. Shown are total species masses, average overall CO temperature, average CO temperature for the warm gas regions in the inner disc, and line fluxes. LUV refers to the energy emitted in the wavelength range 912–2500 Å.
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