Table 3
Beam-averaged column density of SO and SO2 and gas temperature.
| Species | Location | NX | Trot |
|---|---|---|---|
| (cm−2) | (K) | ||
| SO | DG Tau outer disk | (1.6−6.3) × 1014 | 40−300 (a) |
| SO2 | DG Tau outer disk | (0.5−2.3) × 1014 | 40−300 (a) |
| SO | HL Tau inner disk | >2 × 1015 | >350 (b) |
| SO2 | HL Tau inner disk | >2 × 1015 | >350 (c) |
| SO | HL Tau outer disk | (0.2−2) × 1016 | 58 ± 19 (b) |
| SO2 | HL Tau outer disk | (7 ± 3) × 1014 | 58 ± 19 |
| SO2 | IRAS 04302 inner disk | >1014 | >75 (c) |
| SO2 | T Tau S | (0.3−3.7) × 1015 | 40−300 (a) |
| SO2 | T Tau knot | (3 ± 2) × 1014 | 42 ± 20 |
Notes. Columns are: molecular species, target and region where the molecular properties are measured, beam-averaged column density, and gas temperature. (a)The temperature is assumed. (b)The gas temperature for SO is assumed to be the same as for SO2 as the line emission is cospatial. (c)The lower limit is dictated by the detection of the SO2 line with Eup = 93 K and the nondetection of the SO2 line with Eup = 24 K.
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