redback.transient_models.afterglow_models.vegas_models.vegas_gaussian
- redback.transient_models.afterglow_models.vegas_models.vegas_gaussian(time, redshift, thv, loge0, thc, lognism, loga, p, logepse, logepsb, g0, **kwargs)[source]
VegasAfterglow Gaussian jet with unified medium (ISM/Wind/Hybrid)
Gaussian structured jet where energy and Lorentz factor follow Gaussian profiles in angle theta: E(theta) ~ E_iso * exp(-theta^2 / (2*theta_c^2))
- Parameters:
time – time in days in observer frame
redshift – source redshift
thv – viewing angle in radians
loge0 – log10 isotropic equivalent energy [erg]
thc – jet core opening angle in radians
lognism – log10 ISM number density [cm^-3] (use small number e.g., -20) for pure wind)
loga – log10 wind parameter A_* [g/cm] (use small number e.g., -20 for pure ISM)
p – electron power-law index
logepse – log10 electron energy fraction
logepsb – log10 magnetic field energy fraction
g0 – initial Lorentz factor
kwargs – Same optional parameters as vegas_tophat (see vegas_tophat docstring)
- Returns:
flux density [mJy] or AB magnitude
Examples:
Pure ISM: lognism=0.0, loga=-20 Pure Wind: lognism=-20, loga=11.0 Hybrid: lognism=0.0, loga=11.0 (wind with ISM floor)