NGC 4447
| Galaxy NGC 4447 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 28 m 12.5 s |
| declination | + 13 ° 53 ′ 57 ″ |
| Appearance | |
| Morphological type | SB0? / LINER |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 15.0 mag |
| Angular expansion | 0.90 × 0.7 |
| Position angle | 105 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster (??) |
| Redshift | 0.024027 ± 0.000067 |
| Radial velocity | 7203 ± 20 km / s |
|
Stroke distance v rad / H 0 |
(320 ± 23) x 10 6 ly (98.0 ± 6.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | April 17, 1887 |
| Catalog names | |
| NGC 4447 • PGC 040979 • CGCG 070-107 • MCG + 02-32-073 • 2MASX J12281256 + 1353569 • VCC 1085 • GALEX ASC J122812.54 + 135357.6 | |
NGC 4447 is a lens-shaped galaxy with an active nucleus of the Hubble type SB0 in the constellation Haar der Berenike in the northern sky . It is an estimated 320 million light years away from the Milky Way and has a diameter of about 85,000 ly. The galaxy is listed as a member of the Virgo Galaxy Cluster under catalog number VVC 1085 . It is likely gravitationally tied to its neighbor NGC 4446 .
In the same area of the sky are u. a. the galaxies NGC 4459 , NGC 4468 , NGC 4474 , IC 3382 .
The object was discovered by Lewis Swift on April 17, 1887 .