List of things named after Friedrich Bessel

This is a (partial) list of things named for Friedrich Wilhelm Bessel, a 19th-century German scholar who worked in astronomy, geodesy and mathematical sciences:

Astronomy, geodesy, astronomical bodies

 * 1552 Bessel
 * Bessel's star; see 61 Cygni
 * Bessel (crater)
 * Bessel ellipsoid
 * Besselian elements
 * Besselian epoch
 * Bessel points
 * Repsoid–Bessel pendulum

Mathematics

 * Bessel's correction
 * Bessel's differential equation
 * Bessel's inequality
 * Bessel potential
 * Bessel potential spaces
 * Bessel process

Bessel and related functions

 * Bessel beam
 * Bessel filter
 * Bessel function
 * Bessel–Maitland function
 * Incomplete Bessel functions
 * Bessel polynomial
 * q-Bessel polynomials
 * Bessel series, see Fourier–Bessel series
 * Bessel window
 * Bessel–Clifford function
 * Fourier–Bessel series