NGC 2398
| Galaxy NGC 2398 |
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|---|---|
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| SDSS image from NGC 2398 | |
| AladinLite | |
| Constellation | Twins |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| 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 |
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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