Concept
P Cygni Profile
A spectral signature of a star losing mass.
An emission line with a blueshifted absorption trough, indicating an expanding shell of gas around a luminous star.
Overview
An emission line with a blueshifted absorption trough, indicating an expanding shell of gas around a luminous star.
See also
Blackbody Radiation
Radiation law, spectral feature, or line-formation mechanism.
Planck Function
Radiation law, spectral feature, or line-formation mechanism.
Wien's Law
Radiation law, spectral feature, or line-formation mechanism.
Stefan-Boltzmann Law
Radiation law, spectral feature, or line-formation mechanism.
Rayleigh-Jeans Approximation
Radiation law, spectral feature, or line-formation mechanism.
Wien Approximation
Radiation law, spectral feature, or line-formation mechanism.