IC 440
| Galaxy IC 440 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | giraffe |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 06 h 19 m 13.3 s |
| declination | + 80 ° 04 ′ 06 ″ |
| Appearance | |
| Morphological type | SA (r) ex |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.60 'x 0.9' |
| Position angle | 33 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Affiliation | isolated? |
| Redshift | 0.014490 ± 0.000033 |
| Radial velocity | 4344 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(201 ± 14) · 10 6 ly (61.5 ± 4.3) Mpc |
| history | |
| discovery | William F. Denning |
| Discovery date | November 16, 1890 |
| Catalog names | |
| IC 440 • UGC 3427 • PGC 18807 • CGCG 348-016 • MCG + 13-05-021 • IRAS 06102 + 8005 • 2MASX J06191339 + 8004065 • LDCE 442 NED014 • KPG 109A | |
IC 440 is a spiral galaxy of Hubble type Sab in the constellation Giraffe at the northern sky . It is estimated to be 201 million light years from the Milky Way and about 90,000 light years across.
The object was discovered by William Frederick Denning on November 16, 1890 .