Table 1
Spatial, velocity, and luminosity distributions used in the current model.
Model | Distribution | Distribution |
variable | type | parameters |
|
||
Galactic | Radial decay and | hr = 2.44 kpc (1) |
plane (X,Y) | Monte Carlo rejection | σd = 0.35 kpc (1) |
|
||
Vertical | Gaussian | μz = 0 kpc |
position (Z) (2) | σz = 25 pc | |
|
||
Radial | Gaussian | μr = 0 km s-1 |
velocity (U) | σr = 5 km s-1 | |
|
||
Tangential | Gaussian | μt = Θ0 = 240 km s-1 (1) |
velocity (V) | σt = 9 km s-1 | |
|
||
Vertical | Gaussian | μv = 0 km s-1 |
velocity (W) | σv = 5 km s-1 | |
|
||
Luminosity | Power | Cutoffs: 10-8L⊙, 10-3L⊙ |
function (L) (3) | law | and α = −1.43 |
Notes. We assumed the sun’s vertical position to be z = 0 pc and any change in this value, which Goodman et al. (2014) suggested to be 25 pc, was found negligible at these scales.
Reference. (1) Reid et al. (2014); (2) Green & McClure-Griffiths (2011); and (3) Pestalozzi et al. (2007). Radial, tangential and vertical velocity dispersion values are discussed in Sect. 2.3.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.