Table 1 Distances in kpc from the galactic center corresponding to a given total mass loss at the end of the AGN phase of Sgr A*.

From: The habitability of the Milky Way during the active phase of its central supermassive black hole

 

0.05M atm,

0.3M atm,

1M atm,

3M atm,

ε = 0.6, τ = 0

4.66

1.90

1.04

0.60

ε = 0.1, τ = 0

1.90

0.78

0.43

0.25

ε = 0.6, τ = 1

2.84

1.16

0.63

0.37

ε = 0.1, τ = 1

1.16

0.47

0.26

0.15

  1. Each column corresponds to a fraction of the atmosphere mass of present day Earth (0.05M atm, is approximately the mass of present day Mars’ atmosphere). Each line was computed for various combinations of the efficiency factor for hydrodynamic escape ε and attenuation by the AGN torus τ.