Table A.2
Mean heliocentric radial velocity differences between stars at the bright and faint sides of the bar in the directions centered at l ± 5° and ± 10° for b = − 4°, −6°, − 8°, and − 10° for the whole sample. Only disk stars with | x | ≤ 2.5 kpc and | y | ≤ 3 kpc were selected.
| (l,b) | N bright | ⟨ VH ⟩ bright | N faint | ⟨ VH ⟩ faint | | Δ( ⟨ VH ⟩) | |
| (°) | (km s-1) | (km s-1) | (km s-1) | ||
|
|
|||||
| (–10, –4) | 4324 | –80.4 ± 1.2 | 8368 | –61.1 ± 0.9 | 19.3 ± 1.5 |
| (–10, –6) | 3258 | –75.8 ± 1.3 | 5999 | –52.6 ± 0.9 | 23.2 ± 1.6 |
| (–10, –8) | 4325 | –65.4 ± 1.1 | 7578 | –39.4 ± 0.7 | 26.0 ± 1.3 |
| (–10, –10) | 2221 | –51.7 ± 1.4 | 2819 | –29.0 ± 1.1 | 22.7 ± 1.8 |
|
|
|||||
| (–5, –4) | 12 641 | –68.4 ± 0.9 | 22 064 | –53.9 ± 0.7 | 14.5 ± 1.1 |
| (–5, –6) | 8037 | –64.7 ± 1.0 | 12 499 | –42.9 ± 0.8 | 21.8 ± 1.3 |
| (–5, –8) | 8828 | –49.6 ± 0.8 | 10 734 | –25.8 ± 0.7 | 23.8 ± 1.1 |
| (–5, –10) | 4027 | –36.8 ± 1.1 | 3498 | –21.4 ± 1.1 | 15.4 ± 1.6 |
|
|
|||||
| (5, –4) | 15 639 | 32.6 ± 0.8 | 16 750 | 48.0± 0.7 | 15.4± 1.1 |
| (5, –6) | 10 627 | 28.4 ± 0.9 | 8099 | 41.0 ± 0.9 | 12.6 ± 1.3 |
| (5, –8) | 13 205 | 16.4 ± 0.7 | 6564 | 26.3 ± 0.9 | 9.9 ± 1.1 |
| (5, –10) | 6543 | 8.7 ± 0.9 | 2265 | 14.2 ± 1.4 | 5.5 ± 1.7 |
|
|
|||||
| (10, –4) | 6620 | 47.9 ± 1.1 | 4768 | 56.5 ± 1.1 | 8.6 ± 1.6 |
| (10, –6) | 5354 | 39.4 ± 1.1 | 2815 | 46.0 ± 0.9 | 6.6 ± 1.4 |
| (10, –8) | 8892 | 30.6 ± 0.7 | 3121 | 31.3 ± 1.2 | 0.7 ± 1.4 |
| (10, –10) | 5632 | 19.4 ± 0.8 | 1488 | 22.6 ± 1.6 | 3.2 ± 1.8 |
Notes. Only disk stars with | x | ≤ 2.5 kpc and | y | ≤ 3 kpc were selected.
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