The aluminium-26 distribution in a cosmological simulation of a Milky Way-type Galaxy

Open Access

Table 1

Overview of the different locations and velocities used in the text and figures.

Name	Symbol	Components/Calculation	Usage
Location	$\vec{x}$ $\overrightarrow{x}$	[x: y: z]
Velocity	$\vec{v}$ $\overrightarrow{v}$	{[v _x: v _y: v _z]	Section 3
Location of the Solar System (observer)	$\vec{x_{⊙}}$ $\overrightarrow{x_{\odot}}$	[0: 0: 0]	Section 3
Velocity of the Solar System (observer)	$\vec{v_{⊙}}$ $\overrightarrow{v_{\odot}}$	[+251 Km/s: 0: 0]	Section 3
Location of the galactic center	$\vec{x_{G C}}$ $\overrightarrow{x_{\mathrm{GC}}}$	[0:+8.5 Kpc: 0]	Figs. 2, 3, 4
Line-of-sight (LOS) velocity	v _LOS	$\frac{(v_{x} - 251 K m / s) x + v_{y} y + v_{z} z}{\sqrt{x^{2} + y^{2} + z^{2}}}$ $\frac{\left(v_{x}-251 \mathrm{Km} / \mathrm{s}\right) x+v_{y} y+v_{z} z}{\sqrt{x^{2}+y^{2}+z^{2}}}$
Rotational velocity component	v _rot	$\frac{- v_{x} (y - 8.5 K p c) + v_{y} x}{\sqrt{x^{2} + (y - 8.5 K p c)^{2} + z^{2}} \sqrt{(v_{x}^{2} + v_{y}^{2} + v_{z}^{2}}}$ $\frac{-v_{x}(y-8.5 \mathrm{Kpc})+v_{y} x}{\sqrt{x^{2}+(y-8.5 \mathrm{Kpc})^{2}+z^{2}} \sqrt{\left(v_{x}^{2}+v_{y}^{2}+v_{z}^{2}\right.}}$
Velocity dispersion	σ	$\frac{m [- v_{x} (y - 8.5 K p c) + v_{y} x]}{\sqrt{x^{2} + (y - 8.5 K p c)^{2} + z^{2}}}$ $\frac{m\left[-v_{x}(y-8.5 \mathrm{Kpc})+v_{y} x\right]}{\sqrt{x^{2}+(y-8.5 \mathrm{Kpc})^{2}+z^{2}}}$	v _rot/σ > 0.9 determines if the particle is a disk particle

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