Table 3
Physical properties of knots identified in the KMOS and SINFONI data.
| Knot | Area | Area | AV | T | N(H2) | Mass |
|---|---|---|---|---|---|---|
| (arcsec2) | (sr) | (mag) | (K) | (cm−2) | (M⊙) | |
| KMOS | ||||||
| K1 | 43.7 | 1.0 × 10−9 | 9 ± 4 | 2500 ± 100 | (2.2 ± 0.2) × 1018 | 4.8 × 10−4 |
| K2 | 59.4 | 1.4 × 10−9 | 19 ± 3(†) | 2800 ± 300 | (8.9 ± 1.2) × 1018 | 2.7 × 10−3 |
| K3 | 4.6 | 1.1 × 10−10 | 17 ± 1(†) | 2100 ± 100 | (6.3 ± 0.8) × 1019 | 1.5 × 10−3 |
| K4 | 11.3 | 2.6 × 10−10 | 20 ± 4 | 2400 ± 200 | (1.9 ± 0.3) × 1019 | 1.1 × 10−3 |
| K5 | 50.5 | 1.2 × 10−9 | 13 ± 2 | 2400 ± 100 | (8.9 ± 0.8) × 1018 | 2.3 × 10−3 |
| K6(‡) | 0.9 | 2.1 × 10−11 | – | – | – | – |
| K7 | 30.1 | 7.1 × 10−10 | 11 ± 2 | 2200 ± 100 | (9.8 ± 0.9) × 1018 | 1.5 × 10−3 |
| SINFONI | ||||||
| K2* | 3.2 | 7.5 × 10−11 | 19 ± 3 | 2100 ± 200 | (2.0 ± 0.3) × 1020 | 3.2 × 10−3 |
| K3 | 2.9 | 6.9 × 10−11 | 17 ± 1 | 2200 ± 100 | (3.1 ± 0.2) × 1020 | 4.7 × 10−3 |
| K8 | 0.2 | 4.8 × 10−12 | 23 ± 3 | 2400 ± 100 | (3.6 ± 0.2) × 1021 | 3.8 × 10−3 |
Notes. The values of H2 masses derived are lower limits (see text for more detail). (†)The visual extinction derived from the SINFONI observations is more reliable than the one derived from KMOS data, which is part of a science verification programme. (‡)The location of knot K6 did not contain visual extinction pixels with enough signal-to-noise, thus we could not derive the remaining physical properties for this knot.
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