NGC 4459 explained

NGC 4459
Epoch:J2000
Type:SA0^+(r), LINER[1]
Dist Ly:52,500,000 ly
Group Cluster:Virgo Cluster
Z:0.003976/1192 km/s
Appmag V:11.32
Size V:3.5 x 2.7
Constellation Name:Coma Berenices
Names:CGCG 70-116, IRAS 12264+1415, MCG 2-32-83, PGC 41104, UGC 7614, VCC 1154
Size:~ 54,770 ly

NGC 4459 is a lenticular galaxy located about 50 million light-years away[2] in the constellation of Coma Berenices.[3] NGC 4459 is also classified as a LINER galaxy. NGC 4459 was discovered by astronomer William Herschel on January 14, 1787.[4] NGC 4459 is a member of the Virgo Cluster.[5]

Physical characteristics

Dust disk

NGC 4459 has a central flocculent dust disk that surrounds an inner ring.[6] [7] Also, there appears to be evidence of ongoing star formation in the disk .

Super massive black hole

NGC 4459 has a supermassive black hole with an estimated mass of roughly 70 million suns (M☉). Its diameter is estimated to be around 2.87 astronomical units[8] (266.4 million mi).[9]

See also

Notes and References

  1. Web site: NASA/IPAC Extragalactic Database . Results for NGC 4459 . 2017-08-20.
  2. Web site: Your NED Search Results. ned.ipac.caltech.edu. 2017-08-22.
  3. Web site: Galaxy NGC 4459 - Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser. Rojas. Sebastián García. DSO Browser. en. 2017-08-22. 2017-08-22. https://web.archive.org/web/20170822053347/https://dso-browser.com/deep-sky/5505/ngc-4459/galaxy. dead.
  4. Web site: New General Catalog Objects: NGC 4450 - 4499. cseligman.com. en-US. 2017-08-18.
  5. Web site: Detailed Object Classifications. ned.ipac.caltech.edu. 2017-08-22.
  6. Young. Lisa M.. Bureau. Martin. Cappellari. Michele. Structure and Kinematics of Molecular Disks in Fast‐Rotator Early‐Type Galaxies. 23 December 2007. The Astrophysical Journal. 676. 317–334. 10.1086/529019. 0712.4189. 119215566.
  7. Young. Lisa M.. Bendo. George J.. Lucero. Danielle M.. Mid- to Far-Infrared Emission and Star Formation in Early-Type Galaxies. 13 January 2009. The Astronomical Journal. 137. 2. 3053–3070. 10.1088/0004-6256/137/2/3053. 0811.1381 . 2009AJ....137.3053Y . 1996780.
  8. Web site: List of black hole candidates. www.johnstonsarchive.net. 2017-08-20.
  9. Web site: 2.8662 Astronomical unit - WolframAlpha Results. m.wolframalpha.com. 2017-10-21.

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