 Schechter function

ID: schechter-function

Codex  0 Created 2026-09-29 Updated 2026-10-03

The Schechter function models a galaxy luminosity or mass distribution as a low-value power law with an exponential high-value cutoff. In stellar-mass form,

Φ (M) d M = \frac{Φ _{*}}{M _{*}} (\frac{M}{M _{*}})^{α} e^{- M / M_{*}} d M .

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