Summary of units for numerical simulations. ci is the gas isothermal sound speed (assumed to be a constant), ρ0 is the gas density at the base of the wind (at radius r = r0), and pc, 0 is the base CR pressure.
| Quantity . | Symbol . | Units . |
|---|---|---|
| Radial velocity | v | ci |
| ‘Isothermal’ CR sound speed | |$c_c \equiv \left(\frac{p_c}{\rho }\right)^{1/2}$| | ci |
| Gravitational velocity | Vg | ci |
| Density | ρ | ρ0 |
| CR pressure | pc | pc, 0 |
| CR flux | Fc | cipc, 0 |
| CR diffusion coefficient | κ | cir0 |
| Quantity . | Symbol . | Units . |
|---|---|---|
| Radial velocity | v | ci |
| ‘Isothermal’ CR sound speed | |$c_c \equiv \left(\frac{p_c}{\rho }\right)^{1/2}$| | ci |
| Gravitational velocity | Vg | ci |
| Density | ρ | ρ0 |
| CR pressure | pc | pc, 0 |
| CR flux | Fc | cipc, 0 |
| CR diffusion coefficient | κ | cir0 |
Summary of units for numerical simulations. ci is the gas isothermal sound speed (assumed to be a constant), ρ0 is the gas density at the base of the wind (at radius r = r0), and pc, 0 is the base CR pressure.
| Quantity . | Symbol . | Units . |
|---|---|---|
| Radial velocity | v | ci |
| ‘Isothermal’ CR sound speed | |$c_c \equiv \left(\frac{p_c}{\rho }\right)^{1/2}$| | ci |
| Gravitational velocity | Vg | ci |
| Density | ρ | ρ0 |
| CR pressure | pc | pc, 0 |
| CR flux | Fc | cipc, 0 |
| CR diffusion coefficient | κ | cir0 |
| Quantity . | Symbol . | Units . |
|---|---|---|
| Radial velocity | v | ci |
| ‘Isothermal’ CR sound speed | |$c_c \equiv \left(\frac{p_c}{\rho }\right)^{1/2}$| | ci |
| Gravitational velocity | Vg | ci |
| Density | ρ | ρ0 |
| CR pressure | pc | pc, 0 |
| CR flux | Fc | cipc, 0 |
| CR diffusion coefficient | κ | cir0 |
This PDF is available to Subscribers Only
View Article Abstract & Purchase OptionsFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.
