NGC 4486B

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NGC 4486B
NGC4486B.jpg
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 featuresOvermassive 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

  1. "NGC 4486B - Elliptical Galaxy in Virgo | TheSkyLive". theskylive.com. Retrieved 1 August 2025.
  2. 1 2 "NGC 4486b Fact Sheet - StarDate's Black Hole Encyclopedia". blackholes.stardate.org. Retrieved 1 August 2025.
  3. 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.
  4. information@eso.org. "Massive Black Holes In Galaxies NGC 3377, NGC 3379 And NGC 4486b". www.esahubble.org. Retrieved 1 August 2025.
  5. 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, arXiv: 2505.14676 , retrieved 1 August 2025