NGC 888
| Galaxy NGC 888 |
|
|---|---|
|
|
| LEDA 368282 (lo) & NGC 888 (middle) | |
| AladinLite | |
| Constellation | Pendulum clock |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 17 m 27.1 s |
| declination | −59 ° 51 ′ 40 ″ |
| Appearance | |
| Morphological type | E1: P |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 0.8 ′ × 0.8 ′ |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.029190 ± 0.000133 |
| Radial velocity | 8751 ± 40 km / s |
|
Stroke distance v rad / H 0 |
(385 ± 27) x 10 6 ly (118.0 ± 8.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 6, 1834 |
| Catalog names | |
| NGC 888 • PGC 8743 • ESO 115-002 • 2MASX J02172714-5951397 • SGC 021559-6005.6 • GC 524 • h 2473 • GALEXASC J021727.16-595143.0 | |
NGC 888 is an elliptical galaxy from the Hubble type E1 in the constellation Horologium the southern sky . It is estimated to be 385 million light years from the Milky Way and about 90,000 light years in diameter.
The Type Ia supernova candidate SN 2016frs is observed here.
The object was discovered by John Herschel on October 6, 1834 .
Web links
Individual evidence
- ↑ a b c d NASA / IPAC Extragalactic Database (NED)
- ↑ a b c d e Students for the Exploration and Development of Space
- ↑ Simbad
- ↑ Seligman