List of things named after Friedrich Bessel explained

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