Carl Keenan Seyfert

Carl Keenan Seyfert (February 11, 1911, Cleveland, Ohio – June 13, 1960, Nashville, Tennessee) was an American astronomer.

He is best known for his 1943 research paper on high-excitation line emission from the centers of some spiral galaxies, which are named Seyfert galaxies after him. Seyfert's Sextet, a group of galaxies, is also named after him.

Read more about Carl Keenan Seyfert:  Biography, His Contributions To Astronomy

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