Table 2.
Results from the Gaussian visibility distribution fitting.
| 2Rp | CO(2−1) | CO(3−2) | Asym. | |||
|---|---|---|---|---|---|---|
| Source | D | Major | Ratio | Major | Ratio | Feat. |
| [″] | [″] | [″] | ||||
| M-type semi-regular and irregular stars: | ||||||
| L2 Pup | 10.6 | 6.04 ± 0.08 | 0.85 ± 0.02 | 5.9: | 1.0: | 2, 5, 8 |
| W Hya | 22.6 | 10.92 ± 0.12 | 0.75 ± 0.06 | 5.59 ± 0.06 | 0.89 ± 0.01 | |
| T Mic | 12.0 | 7.04 ± 0.12 | 0.99 ± 0.02 | 3.48 ± 0.08 | 0.97 ± 0.05 | 6, 7 |
| Y Scl | 6.0 | 3.88 ± 0.20 | 0.89 ± 0.05 | 3.02 ± 0.16 | 0.75 ± 0.05 | 8 |
| V1943 Sgr | 13.0 | 6.95 ± 0.12 | 0.94 ± 0.03 | 7.9: | 0.9: | 2 |
| BK Vir | 12.2 | 5.84 ± 0.15 | 0.89 ± 0.04 | 3.46 ± 0.04 | 0.90 ± 0.02 | 5, 6 |
| V Tel | 8.0 | 5.00 ± 0.08 | 0.95 ± 0.02 | 3.22 ± 0.07 | 0.94 ± 0.03 | 1 |
| SU Vel | 9.8 | 4.85 ± 0.07 | 0.76 ± 0.01 | 3.37 ± 0.05 | 0.75 ± 0.02 | |
| UY Cet | 9.0 | 5.48 ± 0.13 | 0.82 ± 0.03 | 3.04 ± 0.08 | 0.86 ± 0.03 | 4 |
| SV Aqr | 5.8 | 3.83 ± 0.17 | 0.94 ± 0.06 | 2.36 ± 0.18 | 0.98 ± 0.14 | 6 |
| SW Vir | 27.0 | 8.92 ± 0.13 | 1.00 ± 0.02 | 6.7: | 1.0: | 2, 6 |
| CW Cnc | 12.6 | 8.00 ± 0.15 | 0.88 ± 0.02 | 3.92 ± 0.13 | 0.92 ± 0.04 | 7 |
| RT Vir | 21.2 | 8.18 ± 0.14 | 0.89 ± 0.02 | 5.25 ± 0.06 | 0.82 ± 0.01 | 7 |
| R Crt | 25.0 | 7.72 ± 0.08 | 1.0: | 5.5: | 0.9: | 2 |
| M-type Mira stars: | ||||||
| R Leo | 18.2 | 10.00 ± 0.11 | 0.88 ± 0.02 | 4.70 ± 0.08 | 1.0: | 2, 5, 8 |
| R Hya | 18.8 | 4.5: | 1.0: | 4.5: | 0.8: | 6, 7, 8 |
| R Hor | 16.8 | 7.28 ± 0.04 | 0.84 ± 0.01 | 4.1: | 0.8: | 2, 4 |
| RR Aql | 4.5 | 6.39 ± 0.07 | 0.95 ± 0.01 | 7.2: | 0.9: | 2, 5 |
| IRC-10529 | 28.6 | 7.00 ± 0.06 | 0.93 ± 0.01 | 8.2: | 0.6: | 2, 3 |
| WX Psc | 25.4 | 11.6: | 0.9: | 8.5: | 0.7: | 2, 3 |
| IRC+10365 | 40.8 | 7.73 ± 0.08 | 0.93 ± 0.01 | 4.18 ± 0.05 | 0.92 ± 0.02 | 3 |
| C-type semi-regular and irregular stars: | ||||||
| TW Oph | 8.0 | 4.68 ± 0.26 | 1.00 ± 0.08 | 2.57 ± 0.09 | 0.96 ± 0.04 | |
| NP Pup | 5.8 | 4.63 ± 0.27 | 0.93 ± 0.08 | 3.16 ± 0.32 | 0.87 ± 0.12 | 3 |
| TW Hor | 8.4 | 5.77 ± 0.06 | 0.66 ± 0.01 | 2.65 ± 0.05 | 0.94 ± 0.02 | 5, 6 |
| T Ind | 5.6 | 3.50 ± 0.14 | 0.83 ± 0.06 | 2.14 ± 0.28 | 0.91 ± 0.13 | 1, 3 |
| RT Cap | 7.0 | 4.42 ± 0.23 | 0.89 ± 0.05 | 2.25 ± 0.20 | 1.00 ± 0.15 | 1 |
| AQ Sgr | 9.0 | 4.93 ± 0.11 | 0.90 ± 0.02 | 1.4: | 1.0: | |
| U Hya | 17.8 | 10.8: | 0.8: | 6.2: | 0.7: | 2 |
| W Ori | 9.2 | 4.38 ± 0.07 | 0.98 ± 0.03 | 3.28 ± 0.07 | 0.92 ± 0.02 | 7, 8 |
| V Aql | 10.6 | 5.65 ± 0.09 | 0.97 ± 0.02 | 3.22 ± 0.05 | 0.94 ± 0.02 | |
| Y Pav | 11.2 | 4.89 ± 0.10 | 0.99 ± 0.03 | 3.04 ± 0.06 | 0.94 ± 0.03 | |
| X Vel | 13.0 | 4.07 ± 0.10 | 0.99 ± 0.03 | 2.63 ± 0.09 | 0.92 ± 0.04 | 3 |
| Y Hya | 12.2 | 5.39 ± 0.15 | 1.0: | 2.63 ± 0.10 | 0.89 ± 0.06 | |
| SS Vir | 7.4 | 5.88 ± 0.86 | 0.57 ± 0.13 | 3.34 ± 0.25 | 0.70 ± 0.08 | 5, 6, 8 |
| W CMa | 11.6 | 4.26 ± 0.11 | 1.00 ± 0.02 | 3.20 ± 0.08 | 0.98 ± 0.03 | 6 |
| C-type Mira stars: | ||||||
| R Lep | 17.2 | 11.7: | 0.9: | 3.58 ± 0.07 | 0.99 ± 0.03 | 2 |
| CZ Hya | 9.8 | 3.98 ± 0.11 | 0.99 ± 0.04 | 2.47 ± 0.15 | 0.88 ± 0.09 | |
| R For | 15.8 | 5.69 ± 0.11 | 0.99 ± 0.02 | 3.60 ± 0.07 | 0.93 ± 0.03 | 3 |
| R Vol | 16.6 | 5.83 ± 0.08 | 0.97 ± 0.02 | 4.0: | 1.0: | 2, 3 |
| RV Aqr | 24.6 | 6.01 ± 0.05 | 0.99 ± 0.01 | 4.2: | 0.9: | 2, 3 |
| V688 Mon | 16.3 | 6: | 1: | 2.98 ± 0.08 | 0.97 ± 0.03 | 3 |
| V1259 Ori | 20.9 | 5.0: | 1.0: | 3.48 ± 0.06 | 0.92 ± 0.02 | 3, 4 |
Notes. The second column gives the photodissociation radius two times over the distance as a measure of the expected size of the CO emitting region. Columns 3−6 give the major axis and the axis ratio with errors for the best-fit Gaussian at the center velocity of the respective line. The final column gives the asymmetrical features for each source, as is explained in Sect. 4.3. See text for a further explanation.
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