Astronomy:NGC 4486B
From HandWiki
| 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 |
| Characteristics | |
| Type | Elliptical |
| Mass | 6×10^8 M☉ |
| Notable features | Overmassive black hole |
NGC 4486b is a 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
- ↑ "NGC 4486B - Elliptical Galaxy in Virgo | TheSkyLive". https://theskylive.com/sky/deepsky/ngc4486b-object.
- ↑ 2.0 2.1 "NGC 4486b Fact Sheet - StarDate's Black Hole Encyclopedia". https://blackholes.stardate.org/objects/factsheet-NGC-4486b.html.
- ↑ Kormendy, John; Bender, Ralf; Magorrian, John; Tremaine, Scott; Gebhardt, Karl; Richstone, Douglas; Dressler, Alan; Faber, S. M. et al. (June 1997). "Spectroscopic Evidence for a Supermassive Black Hole in NCG 4486B" (in en). The Astrophysical Journal 482 (2): L139–L142. doi:10.1086/310720. ISSN 0004-637X. Bibcode: 1997ApJ...482L.139K. https://ui.adsabs.harvard.edu/abs/1997ApJ...482L.139K/abstract.
- ↑ information@eso.org. "Massive Black Holes In Galaxies NGC 3377, NGC 3379 And NGC 4486b" (in en). https://www.esahubble.org/images/opo9701a/.
- ↑ Tahmasebzadeh, Behzad; Taylor, Matthew A.; Valluri, Monica; Yoshino, Haruka; Vasiliev, Eugene; Drinkwater, Michael J.; Thompson, Solveig; Dage, Kristen et al. (20 May 2025), "A JWST View of the Overmassive Black Hole in NGC 4486B", The Astrophysical Journal 989 (2): L42, doi:10.3847/2041-8213/adf728, Bibcode: 2025ApJ...989L..42T
category:virgo (constellation)
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