Table 1
Selections performed to make the different samples considered in this work and their number of data points.
| Sample name | Azimuthal slice | ɀ selection | # | #(R > 6 kpc) |
|---|---|---|---|---|
| Bailer-Jones (BJ) | |ϕ| < 30° | Basic | 7 206 369 | 5 387 688 |
| BJz+ | |ϕ| < 30° | Basic & ɀ > 0 | 3 514 109 | 2723 565 |
| BJz− | |ϕ| < 30° | Basic & ɀ < 0 | 3 692260 | 2664123 |
| BJ-30-15 | −30° < ϕ < -15° | Basic | 1346210 | 1023 916 |
| BJ-150 | −15° < ϕ < 0° | Basic | 2087 847 | 1 579588 |
| BJ015 | 0° < ϕ < 15° | Basic | 2218 542 | 1 631 103 |
| BJ1530 | 15° < ϕ < 30° | Basic | 1 553 770 | 1 153 081 |
| StarHorse (SH) | |ϕ| < 30° | Basic | 3 731 718 | 2634917 |
| SHz+ | |ϕ| < 30° | Basic & ɀ > 0 | 1 736940 | 1 340895 |
| SHz− | |ϕ| < 30° | Basic & ɀ < 0 | 1 994778 | 1 294022 |
| Ou+23 | |ϕ| < 30° | Basic | – | 33 335 |
Notes. We note that the data from O23 are based on APOGEE DR17 combined with photometry from Gaia DR3, WISE and 2MASS, while the BJ and SH samples are based on Gaia DR3 only. All of these samples are restricted to only Giants stars. O23 select giants with only a cut in 0 < log(𝑔) < 2.2. The selection of giants for the BJ and SH samples is stated in the text. All these samples have been restricted to our basic spatial cut as described in the text. This involves selecting |ɀ| < 1 kpc, but also including stars within 6° of the Galactic plane to incorporate the flare.
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