NGC 4489
Galaxy NGC 4489 |
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SDSS recording | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 12 h 30 m 52.2 s |
declination | + 16 ° 45 ′ 32 ″ |
Appearance | |
Morphological type | E1 |
Brightness (visual) | 11.9 likes |
Brightness (B-band) | 12.9 mag |
Angular expansion | 1.70 × 1.6 |
Position angle | 165 ° |
Surface brightness | 13.1 mag / arcmin² |
Physical data | |
Affiliation | Virgo cluster |
Redshift | 0.003206 +/- 0.000017 |
Radial velocity | 961 +/- 5 km / s |
Stroke distance v rad / H 0 |
(41 ± 3) · 10 6 ly (12.6 ± 0.9) Mpc |
history | |
discovery | William Herschel |
Discovery date | March 21, 1784 |
Catalog names | |
NGC 4489 • UGC 7655 • PGC 41365 • CGCG 099-073 • MCG + 03-32-054 • 2MASX J12305224 + 1645313 • VCC 1321 • GC 3038 • H II 91 • h 1303 • LDCE 904 NED159 |
NGC 4489 is an elliptical dwarf galaxy of the Hubble type E1 in the constellation Coma Berenices in the northern sky . It is an estimated 41 million light years away from the Milky Way and has a diameter of about 20,000 ly. The galaxy is listed as a member of the Virgo Galaxy Cluster under catalog number VCC 1321 .
The galaxies NGC 4498 , NGC 4502 , IC 796 , IC 3448 are located in the same area of the sky .
The object was discovered by Wilhelm Herschel on March 21, 1784 .
Web links
Commons : NGC 4489 - collection of images, videos, and audio files