NGC 2454
| Galaxy NGC 2454 |
|
|---|---|
![NGC 2454 [1] SDSS](https://de.wikipedia.org/wiki/Datei:NGC2454_-_SDSS_DR14.jpg)
|
|
| NGC 2454 SDSS | |
| AladinLite | |
| Constellation | Twins |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 07 h 50 m 35.022 s |
| declination | + 16 ° 22 ′ 06.86 ″ |
| Appearance | |
| Morphological type | Sab |
| Brightness (visual) | 14.0 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.80 x 0.3 |
| Position angle | 100 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.016148 ± 0.000100 |
| Radial velocity | 4841 ± 30 km / s |
|
Stroke distance v rad / H 0 |
(212 ± 15) · 10 6 ly (65.0 ± 4.6) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | January 19, 1874 |
| Catalog names | |
| NGC 2454 • UGC 4053 • PGC 21963 • CGCG 087-044 • MCG + 03-20-015 • 2MASX J07503502 + 1622069 • ARK 143 • WISEA J075035.01 + 162206.8 | |
NGC 2454 is a spiral galaxy of Hubble type Sab in the constellation Gemini on the ecliptic . It is estimated to be 212 million light years from the Milky Way and about 50,000 light years across.
The object was discovered on January 19, 1874 by Édouard Stephan .