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Table 5
Detection rates.
| Source type | SiO (2−1) | SiO (5−4) | ||||||||||
| >3σ detection | >3σ detection | |||||||||||
| All distances | 1 kpc <d< 7 kpc | 1 kpc <d< 7 kpc | All distances | 1 kpc <d< 7 kpc | 1 kpc <d< 7 kpc | |||||||
| M> 650 M⊙ | M> 650 M⊙ | |||||||||||
|
|
||||||||||||
| All sources | 301 (70%) | 226 (73%) | 70 (93%) | 117 | 95 | 56 | ||||||
| H II regions | 63 (80%) | 36 (85%) | 27 (93%) | 40 | 30 | 23 | ||||||
| infrared-bright sources | 106 (79%) | 83 (84%) | 26 (93%) | 42 | 38 | 23 | ||||||
| infrared-quiet sources | 132 (61%) | 106 (63%) | 17 (94%) | 35 | 27 | 10 | ||||||
Notes. For the SiO (2–1) line, we indicate in parenthesis the percentage of the detection with respect to the total number of sources in the full sample (from Table 2) and the different source type, respectively.
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