Table 3
Kinematic differences when comparing positive and negative Galactic longitudes in the spiral models.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|
|
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| Model | l max | D max | (Δ−Δexp)max | l |
|
l |
|
%≥ 2 km s-1 | %≥ 5 km s-1 | | Δ−Δexp | med | U ⊙ | U⊙(l = [ 155,175 ] °) |
| (°) | ( kpc) | ( km s-1) | (°) | ( km s-1) | (°) | ( km s-1) | ( km s-1) | ( km s-1) | ( km s-1) | |||
|
|
||||||||||||
| TWA0 | 15 | 3.8 | 22.9 ±0.3 | 75 | 11.4 | 175 | 0.3 | 68 | 53 | 5.5 | 12.6 ±0.4 | 9.3 ±0.7 |
| TWA1 | 15 | 4.8 | 12.2 ±0.3 | 75 | 4.1 | 175 | 0.2 | 49 | 7 | 1.9 | 10.1 ±0.2 | 9.1 ±0.3 |
| TWA2 | 5 | 5.8 | –10.0 ±0.3 | 35 | 2.2 | 175 | 0.3 | 13 | 0 | 0.9 | 9.1 ±0.1 | 9.5 ±0.2 |
| TWA3 | 25 | 4.8 | 8.9 ±0.3 | 25 | 4.2 | 175 | 0.4 | 50 | 6 | 2.1 | 8.6 ±0.2 | 8.9 ±0.4 |
| TWA10 | 15 | 4.8 | 8.7 ±0.5 | 25 | 3.4 | 165 | 0.5 | 29 | 3 | 1.4 | 9.5 ±0.1 | 9.5 ±0.3 |
| TWA11 | 15 | 4.8 | 5.6 ±0.3 | 75 | 2.1 | 165 | 0.3 | 16 | 0 | 0.8 | 9.3 ±0.1 | 9.1 ±0.2 |
| TWA12 | 15 | 4.8 | 14.8 ±0.3 | 75 | 7.2 | 175 | 0.3 | 61 | 36 | 3.2 | 11.0 ±0.3 | 8.9 ±0.5 |
| TWA13 | 15 | 4.8 | 15.5 ±0.5 | 75 | 7.9 | 175 | 0.4 | 57 | 27 | 2.6 | 10.1 ±0.4 | 8.8 ±0.4 |
| B1 | 145 | 0.2 | –73.5 ±37.0 | 95 | 34.5 | 35 | 3.4 | 86 | 70 | 9.9 | 1.1 ±0.9 | –2.8 ±3.1 |
| B5 | 135 | 4.8 | 91.4 ±1.5 | 135 | 37.2 | 175 | 7.5 | 94 | 86 | 15.7 | 14.2 ±1.7 | 39.9 ±3.1 |
| U5 | 95 | 5.2 | –14.7 ±0.9 | 95 | 9.9 | 175 | 1.1 | 67 | 36 | 3.6 | 6.6 ±0.2 | 6.7 ±0.6 |
| U5b | 55 | 0.2 | 12.6 ±3.8 | 55 | 6.9 | 175 | 1.6 | 60 | 22 | 2.7 | 9.7 ±0.3 | 8.8 ±0.8 |
Notes. Columns show: 2)–4) Galactic longitude with the bin of maximum | Δ−Δexp | in the explored range of distances (6 kpc), distance of this bin, and corresponding value of Δ−Δexp; 5) and 6) longitude of maximum mean | Δ−Δexp | and corresponding maximum mean | Δ−Δexp | for this longitude; 7) and 8) longitudes of minimum mean | Δ−Δexp | and corresponding minimum mean; 9) fraction of bins with | Δ−Δexp | ≥ 2 km s-1; 10) fraction of bins with | Δ−Δexp | ≥ 5 km s-1; 11) median value of | Δ−Δexp |; 12) derived value of U⊙ from Eq. (2) obtained through a median (see text); 13) same as 12) but only for bins at l = 155°, 165°, 175 °.
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