Open Access
Table 2
Observational parameters used as input to the orbital integration.
| Param | DRCLF1 | DRCLF2 | PV20 |
|---|---|---|---|
| RA (deg) | 272.57397 | ||
| Observational parameters | |||
| Dec (deg) | −31.76451 | ||
| Vrad (km s−1) | −194.45 ± 2.10 | ||
 |
−1.75 ± 0.02 | −1.78 ± 0.05 | |
| < µδ > (mas yr−1 ) | −4.17 ± 0.02 | −4.12 ± 0.04 | |
| d⊙ (kpc) | 8.41 ± 0.10 | 8.44 ± 0.10 | 8.26 ± 0.53 |
| Orbital parameters | |||
| < rperi > (kpc) | 0.05 ± 0.04 | 0.04 ± 0.02 | 0.10 ± 0.07 |
| < rapo > (kpc) | 1.86 ± 0.23 | 1.78 ± 0.22 | 2.20 ± 0.31 |
| < |Z |max > (kpc) | 1.45 ± 0.04 | 1.52 ± 0.04 | 1.27 ± 0.23 |
| ecc | 0.95 ± 0.04 | 0.96 ± 0.03 | 0.92 ± 0.05 |
| 𝒫bulge (%) | 99 | 99 | 99 |
| 𝒫bar (%) | 0.0 | 0.0 | 19.3 |
Notes. Orbital parameters on the present calculations (adopting fiducial lines 1 and 2) compared with results from Pérez-Villegas et al. (2020).
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