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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.[2] NGC 4459 was discovered by astronomer William Herschel on January 14, 1787.[4] NGC 4459 is a member of the Virgo Cluster.[5]

NGC 4459
The central dust lane of NGC 4459 as imaged by the Hubble Space Telescope
Observation data (J2000 epoch)
ConstellationComa Berenices
Right ascension12h 29m 00.0s[1]
Declination13° 58′ 42″[1]
Redshift0.003976/1192 km/s[1]
Distance52,500,000 ly
Group or clusterVirgo Cluster
Apparent magnitude (V)11.32 [1]
Characteristics
TypeSA0^+(r), LINER[1]
Size~ 54,770 ly
Apparent size (V)3.5 x 2.7[1]
Other designations
CGCG 70-116, IRAS 12264+1415, MCG 2-32-83, PGC 41104, UGC 7614, VCC 1154 [1]

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 .[7]


Super massive black hole


NGC 4459 has a supermassive black hole with an estimated mass of roughly 70 million suns (7×107 M☉). Its diameter is estimated to be around 2.87 astronomical units[8] (266.4 million mi).[9]

2MASS image of NGC 4459
2MASS image of NGC 4459

See also



References


  1. "NASA/IPAC Extragalactic Database". Results for NGC 4459. Retrieved 2017-08-20.
  2. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-08-22.
  3. Rojas, Sebastián García. "Galaxy NGC 4459 - Galaxy in Coma Berenices Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-08-22.
  4. "New General Catalog Objects: NGC 4450 - 4499". cseligman.com. Retrieved 2017-08-18.
  5. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-22.
  6. Young, Lisa M.; Bureau, Martin; Cappellari, Michele (23 December 2007). "Structure and Kinematics of Molecular Disks in Fast‐Rotator Early‐Type Galaxies". The Astrophysical Journal. 676: 317–334. arXiv:0712.4189. doi:10.1086/529019. S2CID 119215566.
  7. Young, Lisa M.; Bendo, George J.; Lucero, Danielle M. (13 January 2009). "Mid- to Far-Infrared Emission and Star Formation in Early-Type Galaxies". The Astronomical Journal. 137 (2): 3053–3070. arXiv:0811.1381. Bibcode:2009AJ....137.3053Y. doi:10.1088/0004-6256/137/2/3053. S2CID 1996780.
  8. "List of black hole candidates". www.johnstonsarchive.net. Retrieved 2017-08-20.
  9. "2.8662 Astronomical unit - Wolfram|Alpha Results". m.wolframalpha.com. Retrieved 2017-10-21.


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На других языках

[de] NGC 4459

NGC 4459 ist eine aktive linsenförmige Galaxie mit ausgedehnten Sternentstehungsgebieten vom Hubble-Typ S0/a im Sternbild Haar der Berenike am Nordsternhimmel. Sie ist schätzungsweise 51 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 55.000 Lichtjahren. In ihrem Zentrum wird ein Schwarzes Loch mit geschätzten 70 Millionen Sonnenmassen vermutet.
- [en] NGC 4459

[ru] NGC 4459

NGC 4459 (другие обозначения — UGC 7614, MCG 2-32-83, ZWG 70.116, VCC 1154, IRAS12264+1415, PGC 41104) — галактика в созвездии Волосы Вероники.


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