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Table 1.
Galactic bulge and nuclear stellar disk Model 1 parameters using the stellar density map of the central 6° × 2° of our Galaxy of Nishiyama et al. (2013).
| Parameters | Value | ||||
|---|---|---|---|---|---|
| Galactic bulge | |||||
| Sun dist. from GC R0(a) | 8.5 kpc | ||||
| Bar X scale length ax(a) | 1.1 kpc | ||||
| Bar Y scale length ay(a) | 0.36 kpc | ||||
| Bar Z scale length az(a) | 0.22 kpc | ||||
| Bar face-on parameter C⊥(a) | 1.6 | ||||
| Bar edge-on parameter C∥(a) | 3.2 | ||||
| Normalization constant N0 | (9.90 ± 0.02) stars arcmin−2 | ||||
| Nuclear stellar disk | |||||
| Stellar number density at Re | (19.84 ± 0.16) stars arcmin−2 | ||||
| Flattening q | (0.338 ± 0.002) | ||||
| Sérsic index n | (0.782 ± 0.008) | ||||
| Effective radius Re | (116.2 ± 0.6) pc | ||||
Notes.
(a)
Fixed input parameter from Launhardt et al. (2002).
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