NGC 3923
| Galaxy NGC 3923 |
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|---|---|
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| Image of the galaxy NGC 3923 with the Hubble Space Telescope . The shell structure becomes clear. | |
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 51 m 01.7 s |
| declination | -28 ° 48 ′ 22 ″ |
| Appearance | |
| Morphological type | E4-5 |
| Brightness (visual) | 9.6 likes |
| Brightness (B-band) | 10.6 mag |
| Angular expansion | 5.9 ′ × 3.9 ′ |
| Position angle | 50 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 255 |
| Redshift | 0.005801 ± 0.000030 |
| Radial velocity | 1739 ± 9 km / s |
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Stroke distance v rad / H 0 |
(69 ± 5) · 10 6 ly (21.3 ± 1.5) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 7, 1791 |
| Catalog names | |
| NGC 3923 • PGC 37061 • ESO 440-G017 • MCG -05-28-12 • 2MASX J11510178-2848223 • GC 2586 • H I 259 • h 3366 • AM 1148-283, LDCE 0860 NED005 | |
NGC 3923 is an elliptical galaxy of Hubble type E4-5 in the constellation Hydra at the southern sky , which is about 69 million light-years from the Milky Way 's center.
Shell-like structures were discovered here, indicating that a smaller galaxy has merged with the elliptical galaxy here. In a recent study, up to 42 dishes were identified.
The object was discovered on March 7, 1791 by the German-British astronomer Friedrich Wilhelm Herschel .
Web links
Commons : NGC 3923 - collection of images, videos, and audio files
- Antilhue Chile
- astronews.com: Picture of the day May 13, 2015
- SIMBAD Astronomical Database