NGC 2398
Galaxy NGC 2398 |
|
---|---|
SDSS image from NGC 2398 | |
AladinLite | |
Constellation | Twins |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 07 h 30 m 16.1 s |
declination | + 24 ° 29 ′ 16 ″ |
Appearance | |
Morphological type | S + S |
Brightness (visual) | 1: 14.4 mag 2: 14.9 mag |
Brightness (B-band) | 1: 15.3 mag 2: 15.5 mag |
Angular expansion | 1: 0.40 / 0.3 2: 0.50 / 0.5 |
Position angle | 1: 150 ° |
Surface brightness | 11.9 mag / arcmin² 2: 13.2 mag / arcmin² |
Physical data | |
Redshift | 0.029724 +/- 0.000067 |
Radial velocity | 8911 +/- 20 km / s |
Stroke distance v rad / H 0 |
(395 ± 28) · 10 6 Lj (121.2 ± 8.5) Mpc |
history | |
discovery | Edouard Stephan |
Discovery date | February 10, 1885 |
Catalog names | |
NGC 2398 • PGC 21157/21165 • CGCG 117-048 • 2MASX J07301614 + 2429160 • |
NGC 2398 is an interacting galaxy pair of the Hubble type S + S in the constellation Gemini on the ecliptic . It is an estimated 395 million light years from the Milky Way .
The object was discovered on February 10, 1885 by the astronomer Edouard Stephan .
Web links
Commons : NGC 2398 - collection of images, videos, and audio files