Table 2
APEX and Herschel SiO integrated intensity measurements.
| Source | 28SiO 6–5 | 29SiO 6–5 | 30SiO 6–5 | 29SiO 7–6 | 30SiO 7–6 | 29SiO 26–25 | 30SiO 26–25 | |
| (K km s-1) | (K km s-1) | (K km s-1) | (K km s-1) | (K km s-1) | (K km s-1) | (K km s-1) | ||
|
|
||||||||
| VY CMa | 107.4 ± 0.3 | 24.8 ± 0.3 | 16.3 ± 0.3 | ... | ... | 10.1 ± 0.7 | 6.4 ± 0.3 | |
| R Cas | ... | ... | ... | ... | ... | 0.4 ± 0.1 | 0.3 ± 0.1 | |
| o Ceti | 2.3 ± 0.1 | 1.0 ± 0.1 | 0.8 ± 0.1 | 1.2 ± 0.1 | 1.0 ± 0.1 | 0.9 ± 0.1 | 1.2 ± 0.1 | |
| χ Cyg | ... | ... | ... | ... | ... | 0.9 ± 0.1 | 0.8 ± 0.1 | |
| R Dor | ... | ... | ... | ... | ... | 3.2 ± 0.2 | 3.0 ± 0.2 | |
| R Leo | ... | ... | ... | 3.3 ± 0.1 | 2.5 ± 0.1 | ... | ... | |
| W Hya | 18.4 ± 0.1 | 4.8 ± 0.1 | 4.3 ± 0.1 | ... | ... | 1.1 ± 0.1 | 1.2 ± 0.1 | |
Notes. The integrated intensities are measured in TMB and do not include the calibration errors of the APEX and Herschel telescopes (from a few per cent up to 10%) because the 29SiO and 30SiO lines were detected at the same band simultaneously and their ratios are not strongly affected by the calibrations.
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