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NGC 4486B
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| NGC 4486B | |
|---|---|
 Image of NGC 4486B (center) | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 31m 49s |
| Declination | +12° 20’ 56” |
| Absolute magnitude (B) | 14.5 |
| magnitude (J) | 11.01 |
| magnitude (H) | 10.29 |
| magnitude (K) | 10.09 |
| Characteristics | |
| Type | Elliptical |
| Mass | 6×10^8 M☉ |
| Notable features | Overmassive black hole |
NGC 4486b is an elliptical galaxy located in the constellation of Virgo. It is situated close to the equator and can be at least partially visible on both hemispheres of Earth.[1] It is close to and orbits the much larger galaxy Messier 87 and it was probably altered by it.[2]
This galaxy has a double galactic nucleus much like the Andromeda galaxy. The two nucleus have a separation of 0.15 or 12 parsecs. There is a supermassive black hole (SMBH) located inside NGC 4486b.[3][4] This black hole has a mass of 500 million solar masses making it roughly one tenth of the mass of the entire galaxy. This makes the supermassive black hole within this galaxy overmassive.[2][5]
References
[edit]- ^ "NGC 4486B - Elliptical Galaxy in Virgo | TheSkyLive". theskylive.com. Retrieved 1 August 2025.
- ^ a b "NGC 4486b Fact Sheet - StarDate's Black Hole Encyclopedia". blackholes.stardate.org. Retrieved 1 August 2025.
- ^ Kormendy, John; Bender, Ralf; Magorrian, John; Tremaine, Scott; Gebhardt, Karl; Richstone, Douglas; Dressler, Alan; Faber, S. M.; Grillmair, Carl; Lauer, Tod R. (June 1997). "Spectroscopic Evidence for a Supermassive Black Hole in NCG 4486B". The Astrophysical Journal. 482 (2): L139–L142. arXiv:astro-ph/9703188. Bibcode:1997ApJ...482L.139K. doi:10.1086/310720. ISSN 0004-637X.
- ^ information@eso.org. "Massive Black Holes In Galaxies NGC 3377, NGC 3379 And NGC 4486b". www.esahubble.org. Retrieved 1 August 2025.
- ^ Tahmasebzadeh, Behzad; Taylor, Matthew A.; Valluri, Monica; Yoshino, Haruka; Vasiliev, Eugene; Drinkwater, Michael J.; Thompson, Solveig; Dage, Kristen; Côté, Patrick (20 May 2025), "A JWST View of the Overmassive Black Hole in NGC 4486B", The Astrophysical Journal, 989 (2): L42, arXiv:2505.14676, Bibcode:2025ApJ...989L..42T, doi:10.3847/2041-8213/adf728
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