NGC 3683
| Galaxy NGC 3683 |
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|---|---|
![NGC 3683 with SDSS J112740.48 + 565309.8 (l) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC3683_-_SDSS_DR14.jpg)
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| NGC 3683 with SDSS J112740.48 + 565309.8 (l) SDSS image | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 11 h 27 m 31.850 s |
| declination | + 56 ° 52 ′ 37.40 ″ |
| Appearance | |
| Morphological type | SB (s) c? / HII |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 1.8 ′ × 0.7 ′ |
| Position angle | 128 ° |
| Surface brightness | 12.6 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 3642 group LGG 234 |
| Redshift | 0.005724 ± 0.000020 |
| Radial velocity | 1716 ± 6 km / s |
|
Stroke distance v rad / H 0 |
(80 ± 6) · 10 6 ly (24.6 ± 1.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 18, 1790 |
| Catalog names | |
| NGC 3683 • UGC 6458 • PGC 35249 • CGCG 291-072 • MCG + 10-16-143 • IRAS 11247 + 5709 • 2MASX J11273188 + 5652361 • GC 2421 • H I 246 • h 892 • NVSS J112731 + 565240 • NSA 159868 • LDCE 867 NED021 | |
NGC 3683 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBc in the constellation Great Bear in the northern sky . It is estimated to be 80 million light years from the Milky Way and about 40,000 light years in diameter. Together with four other galaxies, it is a member of the NGC 3642 group ( LGG 234 )
. a. the galaxies NGC 3669 and NGC 3674 .
The Type Ic supernova SN 2004C was observed here.
The object was discovered by Wilhelm Herschel on March 18, 1790 .
Web links
Commons : NGC 3683 - collection of images, videos, and audio files
