Seyfert is a surname, and may refer to:

Other uses

  • Seyfert (crater), a crater on the far side of Earth's Moon that is named after Carl Keenan Seyfert
  • Seyfert Galaxy, a class of galaxies named after Carl Keenan Seyfert
  • Seyfert's Sextet, a group of galaxies located in a cluster some 190 million light-years from Earth

See also

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