NGC 4564

NGC 4564 is an elliptical galaxy located about 57 million light-years away[2] in the constellation Virgo.[3] NGC 4564 was discovered by astronomer William Herschel on March 15, 1784.[4] The galaxy is also a member of the Virgo Cluster.[5][6]

NGC 4564
Sloan Digital Sky Survey image of NGC 4564.
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	12^h 36^m 27.0^s[1]
Declination	11° 26′ 21″[1]
Redshift	0.003809[1]
Helio radial velocity	1142 km/s[1]
Distance	57.2 Mly (17.55 Mpc)[1]
Group or cluster	Virgo Cluster
Apparent magnitude (V)	12.05[1]
Characteristics
Type	E6[1]
Size	~59,100 ly (18.12 kpc) (estimated)[1]
Apparent size (V)	3.5 x 1.5[1]
Other designations
CGCG 70-186, MCG 2-32-150, PGC 42051, UGC 7773, VCC 1664[1]

SN1961H

On May 2, 1961, a Type Ia supernova designated as SN1961H was discovered in NGC 4564.[7][8]

Supermassive Black Hole

NGC 4564 is the host of a supermassive black hole with an estimated mass of about 56 million suns (0.56+0.03
−0.08×10⁸ M_☉).[9]

Globular Clusters

NGC 4564 has an estimated population of 213 ± 31 globular clusters.[10]

See also

• List of NGC objects (4001–5000)
• NGC 3115
• NGC 5102

References

1. "NASA/IPAC Extragalactic Database". Results for NGC 4564. Retrieved 2018-02-04.
2. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2018-02-04.
3. "Revised NGC Data for NGC 4564". spider.seds.org. Retrieved 2018-02-04.
4. "New General Catalog Objects: NGC 4550 - 4599". cseligman.com. Retrieved 2018-02-04.
5. "The Virgo Cluster". www.atlasoftheuniverse.com. Retrieved 2018-02-04.
6. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2018-02-04.
7. "Other Supernovae images". www.rochesterastronomy.org. Retrieved 2018-02-04.
8. "1961H - The Open Supernova Catalog". sne.space. Retrieved 2018-02-04.
9. Soria, R.; Graham, Alister W.; Fabbiano, G.; Baldi, A.; Elvis, M.; Jerjen, H.; Pellegrini, S.; Siemiginowska, A. (2006). "Accretion and Nuclear Activity of Quiescent Supermassive Black Holes. II. Optical Study and Interpretation". The Astrophysical Journal. 640 (1): 143–155. arXiv:astro-ph/0511341. Bibcode:2006ApJ...640..143S. doi:10.1086/499935. ISSN 0004-637X.
10. Rhode, Katherine L. (2012). "Exploring the Correlations between Globular Cluster Populations and Supermassive Black Holes in Giant Galaxies". The Astronomical Journal. 144 (5): 154. arXiv:1210.4570. Bibcode:2012AJ....144..154R. doi:10.1088/0004-6256/144/5/154. ISSN 1538-3881.

External links

• NGC 4564 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images