Table 2
Observed lines properties and integrated fluxes.
| Molecule | Transition | ΔV | Briggs | rms | Beam size | Fluxdisk | Fluxbeam | Fluxbeam |
|---|---|---|---|---|---|---|---|---|
| (km s−1) | (mJy beam−1) | (′′) | (mJy km s−1) | (mJy km s−1) | (mJy km s−1) | |||
| DG Tau – Band 5 | Outer disk | |||||||
| SO2 | 22,0−11,1 | 0.8 | 2.0 | 0.8 | 0.67 × 0.49 | <18 | <6 | |
| SO2 | 91,9−80,8 | 0.8 | 2.0 | 0.6 | 0.66 × 0.48 | <16 | <6 | |
| SO2 (*) | 120,12−111,11 | 0.8 | 2.0 | 0.6 | 0.64 × 0.47 | (41) | 8 ± 6 | |
| SO2 | 183,15−182,16 | 0.8 | 2.0 | 0.7 | 0.68 × 0.49 | <20 | <6 | |
| SO2 | 74,4−83,5 | 0.8 | 2.0 | 0.8 | 0.64 × 0.46 | <18 | <6 | |
| SO (*) | 45−34 | 0.8 | 0.0 | 0.7 | 0.41 × 0.29 | 285 | 75 ± 6 | |
| DG Tau – Band 6 | ||||||||
| SO2 | 115,7−124,8 | 0.16 | 0.0 | 1.7 | 0.14 × 0.11 | <28 | <6 | |
| SO2 | 52,4−41,3 | 0.16 | 0.0 | 1.7 | 0.13 × 0.11 | <33 | <6 | |
| SO2 | 54,2−63,3 | 0.16 | 0.0 | 1.8 | 0.13 × 0.11 | <25 | <6 | |
| SO2 | 140,14−131,13 | 0.6 | 0.0 | 0.6 | 0.16 × 0.13 | (26) | <6 | |
| 34SO2 | 42,2−31,3 | 0.16 | 0.0 | 1.5 | 0.13 × 0.11 | <26 | <6 | |
| HL Tau – Band 6 | Outer disk | Inner disk | ||||||
| SO2 | 115,7−124,8 | 0.2 | 2.0 | 2.1 | 0.40 × 0.34 | <29 | <6 | <6 |
| SO2 (*) | 52,4−41,3 | 0.2 | 0.0 | 2.0 | 0.30 × 0.25 | 282 | 30 ± 6 | <6 |
| SO2 | 54,2−63,3 | 0.2 | 2.0 | 2.2 | 0.37 × 0.32 | <19 | <6 | <6 |
| SO2 (*) | 140,14−131,13 | 1.2 | 0.0 | 0.9 | 0.29 × 0.27 | 441 | 46 ± 9 | 25 ± 9 |
| 34SO2 | 42,2−31,3 | 0.2 | 2.0 | 2.2 | 0.40 × 0.34 | <18 | <6 | <6 |
| HL Tau – Band 7 | ||||||||
| SO2 | 33,1−22,0 | 1.1 | 2.0 | 1.0 | 0.13 × 0.09 | 467 | 21 ± 5 | <5 |
| HL Tau – Band 9 | ||||||||
| SO | 1415−1314 | 0.25 | 2.0 | 9.4 | 0.14 × 0.10 | 8722 | 151 ± 90 | 543 ± 90 |
| SO | 1515−1414 | 0.25 | 2.0 | 12.4 | 0.15 × 0.10 | 7010 | <90 | 591 ± 90 |
| SO (*) | 1615−1514 | 0.25 | 2.0 | 13.8 | 0.15 × 0.10 | 10351 | 242 ± 90 | 653 ± 90 |
| IRAS 04302 – Band 6 | Outer disk | Inner disk | ||||||
| SO2 | 115,7−124,8 | 0.2 | 2.0 | 2.2 | 0.43 × 0.34 | <22 | <6 | <6 |
| SO2 | 52,4−41,3 | 0.2 | 2.0 | 2.2 | 0.41 × 0.32 | (52) | 7 ± 6 | <6 |
| SO2 | 54,2−63,3 | 0.2 | 2.0 | 2.0 | 0.40 × 0.32 | <25 | <6 | <6 |
| SO2 (*) | 140,14 − 131,13 | 1.2 | 2.0 | 0.9 | 0.41 × 0.34 | (47) | <6 | 12 ± 6 |
| 34 SO2 | 42,2 − 31,3 | 0.2 | 2.0 | 2.3 | 0.43 × 0.33 | <24 | <6 | <6 |
| T Tau S – Band 6 | Disk | Knot | ||||||
| SO2 | 115,7 − 124,8 | 0.2 | 2.0 | 1.9 | 0.41 × 0.34 | <25 | <9 | <9 |
| SO2 (*) | 52,4 − 41,3 | 0.2 | 0.0 | 2.2 | 0.30 × 0.24 | 411 | 16 ± 9 | 17 ± 9 |
| SO2 | 54,2 − 63,3 | 0.2 | 2.0 | 2.2 | 0.38 × 0.32 | <27 | <9 | <9 |
| SO2 (*) | 140,14 − 131,13 | 1.2 | 0.0 | 0.9 | 0.29 × 0.26 | 416 | 79 ± 9 | 16 ± 9 |
| 34 SO2 | 42,2 − 31,3 | 0.2 | 2.0 | 2.2 | 0.38 × 0.32 | <22 | <9 | <9 |
Notes. Columns are: molecular species, transition, channel width, Briggs weighting robustness, rms, beam size, disk-integrated flux, and beam-integrated fluxes over the regions where the gas temperature and molecular column density were derived. The detected lines used to infer N and Trot are marked with an asterisk. Brackets denote tentative detections, i.e., disk-integrated intensities between 3σ and 5σ. For nondetected lines, we report upper limits equivalent to 3σ.
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