: any of a class of spiral galaxies that have small compact bright nuclei characterized by variability in light intensity, emission of radio waves, and spectra
called also Seyfert
Examples of Seyfert galaxy in a Sentence
Recent Examples on the Web
It is also known as a Seyfert galaxy or a galaxy with an active nucleus.
—
Discover Magazine, 6 Feb. 2024
Further, the galaxy NGC 5495 is considered a Seyfert galaxy, with an active galactic nucleus at its core.
—Joshua Hawkins, BGR, 3 Nov. 2022
The dominant member of the Perseus Cluster, Perseus A is a Seyfert galaxy with an active nucleus, powered by a 340-million-solar-mass black hole in its core.
—David J Eicher, Discover Magazine, 19 May 2020
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Discover Magazine, 6 Feb. 2024
Further, the galaxy NGC 5495 is considered a Seyfert galaxy, with an active galactic nucleus at its core.
—Joshua Hawkins, BGR, 3 Nov. 2022
The dominant member of the Perseus Cluster, Perseus A is a Seyfert galaxy with an active nucleus, powered by a 340-million-solar-mass black hole in its core.
—David J Eicher, Discover Magazine, 19 May 2020
Dictionary Entries Near Seyfert galaxy
Cite this Entry
“Seyfert galaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Seyfert%20galaxy. Accessed 23 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share