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Table 2
Fit model parameters.
| 13CO, rms = 1.65 Jy | |||
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| Ring | RA | 0.0 | fixed |
| Dec | 0.0 | fixed | |
| + | Flux | 1.5 | ±0.05 |
| Rin (AU) | 0.0 | ±72 | |
| Rout (AU) | 286 | ±3 | |
| Gaussian | RA | –0.4 | ±0.01 |
| Dec | –0.2 | ±0.02 | |
| Flux | 7.3 | ±0.15 | |
| H.W.H.P. | 460 | ±6 | |
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| C18O, rms = 1.37 Jy | |||
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| Ring | RA | 0.0 | fixed |
| Dec | 0.0 | fixed | |
| + | Flux | 0.8 | ±0.07 |
| Rin (AU) | 72 | ±72 | |
| Rout (AU) | 283 | ±4 | |
| Gaussian | RA | –0.05 | ±0.04 |
| Dec | –0.29 | ±0.07 | |
| Flux | 1.25 | ±0.06 | |
| H.W.H.P. | 310 | ±15 | |
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| Continuum 1 mm, rms = 0.41 Jy | |||
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| Ring | RA | 0.01 | ±0.03 |
| Dec | –0.30 | ±0.04 | |
| Flux | 0.1 | ±0.004 | |
| Rin (AU) | 72 | ±36 | |
| Rout (AU) | 209 | ±6 | |
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| H2CO, rms = 1.25 Jy | |||
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| Ring | RA | 0.3 | ±0.08 |
| Dec | –0.4 | ±0.10 | |
| Flux | 0.22 | ±0.01 | |
| Rin (AU) | 72 | ±72 | |
| Rout (AU) | 302 | ±11 | |
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| SO, rms = 1.34 Jy | |||
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| Ring | RA | 0.5 | ±0.2 |
| Dec | –0.3 | ±0.2 | |
| Flux | 0.10 | ±0.01 | |
| Rin (AU) | 145 | ±72 | |
| Rout (AU) | 384 | ±38 | |
Notes. These values were directly obtained by fitting the visibilities.
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