List of used symbols

In rbamlib the common symbols usually have 1 or 2 characters. The symbols are typically written in lower case with a few exceptions of commonly recognized variables. The following table provides the list of the used symbols and corresponding [units] that are used across rbamlib.

Symbol

Description

r

Distance from the planet’s center, [planet’s radii, R]

al

Pitch angle \(\alpha\), [rad]

mu

1st adiabatic invariant \(\mu\), [MeV/G]

K

2nd adiabatic invariant K, [G^0.5 * R]

L

L-shell

en

Energy, [MeV]

pc

Momentum times speed of light, [MeV]

Jc

2nd adiabatic invariant K times speed of light, [MeV/G]

kp

Kp-index

B

Magnetic field strength, [Gauss]

Bz

IMF \(B_z\), [nT]

Pdyn

Dynamic pressure \(P_{dyn}\), [nPa]

Nsw

Solar wind density array, [n/cc]

Vsw

Solar wind velocity array, [km/sec]

ne

Electron density, [cm^-3].

T

Period, [seconds]

f

Oscillation frequency, [Hz]

phi

Magnetic local time angle [radians] (phi=0 is noon)

mlt

Magnetic Local Time [hours] (mlt=12 is noon)

mlat

Magnetic latitude, northwards from the equator [rad]

q

Particle charge, [statcoulombs] (SGS units)

m

Particle mass, [grams].