NGC 3259 [SEP] constellation
NGC 3259
NGC 3259 is a barred spiral galaxy located approximately 90 million light-years from Earth, in the Ursa Major constellation. It has the morphological classification SAB(rs)bc, which indicates that it is a spiral galaxy with a weak bar across the nucleus (SAB), an incomplete inner ring structure circling the bar (rs), and moderate to loosely wound spiral arms (bc). This galaxy is a known source of X-ray emission and it has an active galactic nucleus of the Seyfert 2 type.
- NGC 3259, also a strong source of X-rays
- NGC 3783, also a strong source of X-rays
- NGC 3982, also a starburst galaxy
- NGC 4151, has two supermassive black holes in its center.
- NGC 4395, an example of a low surface brightness galaxy with an intermediate-mass black hole in its center.
- NGC 4725, one of the closest and brightest Seyfert galaxies to Earth; has a very long spiraling cloud of gas surrounding its center