Table A.1
Mean heliocentric radial velocity differences between stars at the bright and faint sides of the bar along the bulge minor axis for b = −4°, −6°, −8°, and −10° for the whole sample and for stars selected on their birth radii according to: rini< 2.5 kpc , 2.5 kpc ≤rini< 4.5 kpc, and rini ≥ 4.5 kpc.
| Selection | (l,b) | N bright | ⟨ VH ⟩ bright | N faint | ⟨ VH ⟩ faint | | Δ( ⟨ VH ⟩) | |
| (°) | (km s-1) | (km s-1) | (km s-1) | |||
|
|
||||||
| Whole sample | (0, –4) | 25 035 | –15.5 ± 0.8 | 33 961 | 1.5 ± 0.6 | 17.0 ± 1.0 |
| (0, –6) | 12 003 | –17.1 ± 0.9 | 12 865 | –0.7 ± 0.8 | 16.4 ± 1.2 | |
| (0, –8) | 12 726 | –15.4 ± 0.7 | 9215 | –4.1 ± 0.8 | 11.1 ± 1.1 | |
| (0, –10) | 6094 | –12.2 ± 0.9 | 2877 | –3.7 ± 1.3 | 8.5 ± 1.6 | |
|
|
||||||
| rini< 2.5 kpc | (0, –4) | 22 445 | –12.5 ± 0.8 | 28 977 | –1.6 ± 0.7 | 10.9 ± 1.1 |
| (0, –6) | 10 096 | –12.9 ± 0.9 | 10 205 | –1.4 ± 0.9 | 11.5 ± 1.3 | |
| (0, –8) | 9711 | –12.2 ± 0.8 | 6454 | –4.7 ± 0.9 | 7.5 ± 1.2 | |
| (0, –10) | 4053 | –8.5 ± 1.1 | 1889 | –4.1 ± 1.6 | 4.4 ± 1.9 | |
|
|
||||||
| 2.5 <rini< 4.5 kpc | (0, –4) | 2423 | –40.8 ± 3.0 | 4682 | 19.7 ± 1.8 | 60.5 ± 3.5 |
| (0, –6) | 1784 | –38.6 ± 2.8 | 2512 | 2.8 ± 2.1 | 41.4 ± 3.5 | |
| (0, –8) | 2842 | –26.0 ± 1.8 | 2615 | –1.9 ± 1.7 | 24.1 ± 2.5 | |
| (0, –10) | 1915 | –19.3 ± 1.8 | 933 | –2.5 ± 2.3 | 16.8 ± 2.9 | |
|
|
||||||
| rini> 4.5 kpc | (0, –4) | 167 | –46.8 ± 10.6 | 302 | 10.5 ±7.2 | 57.3 ± 12.8 |
| (0, –6) | 123 | –50.6 ± 11.0 | 148 | –10.1 ± 9.5 | 40.5 ± 14.5 | |
| (0, –8) | 173 | –22.1 ± 7.8 | 146 | –15.5 ± 7.6 | 6.6± 11.0 | |
| (0, –10) | 126 | –21.9 ± 8.7 | 55 | –13.4 ± 10.0 | 8.5 ± 13.2 | |
Notes. Only disk stars with | x | ≤ 2.5 kpc and | y | ≤ 3 kpc were selected.
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