Optical and Spitzer IR light curves of the Seyfert galaxy NGC6418. A strong flare was observed in this object, which was accompanied by a dramatic increase in the strengths of the broad emission lines ...

NGC 4151 in Canes Venatici is a bright Seyfert galaxy with an active central black hole. It is class SAab. This galaxy has a ...

In addition to being a well-defined spiral galaxy, MCG-01-24-014 has an extremely energetic core known as an active galactic nucleus (AGN) and is categorized as a Type-2 Seyfert galaxy.

NGC 922 is a peculiar galaxy in the southern constellation of Fornax. This beautiful image was captured by NASA's Hubble Space Telescope. NGC 7049 is a lenticular galaxy that spans about 150,000 light ...

Further, the galaxy NGC 5495 is considered a Seyfert galaxy, with an active galactic nucleus at its core. And this isn’t even the most beautiful image that Hubble has captured. Alongside this ...

NGC 5643 is classified as a Seyfert galaxy because it hosts a supermassive black hole at its center. NGC 5643 is a giant spiral galaxy located about 55 million light-years (a light-year is the ...