NGC 3184
| Galaxy NGC 3184 |
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|---|---|
![NGC 3184 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC3184_-_SDSS_DR14_(panorama).jpg)
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| NGC 3184 SDSS image | |
| AladinLite | |
| Constellation | Big Bear |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 10 h 18 m 16.8 s |
| declination | + 41 ° 25 ′ 27 ″ |
| Appearance | |
| Morphological type | SAB (rs) cd / HII |
| Brightness (visual) | 9.6 likes |
| Brightness (B-band) | 10.3 mag |
| Angular expansion | 7 ′, 4 × 6 ′, 9 |
| Position angle | 135 ° |
| Surface brightness | 13.7 mag / arcmin² |
| Physical data | |
| Affiliation | (isolated) |
| Redshift | 0.001975 ± 0.000003 |
| Radial velocity | 592 ± 1 km / s |
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Stroke distance v rad / H 0 |
(27 ± 2) x 10 6 ly (8.17 ± 0.57) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 18, 1787 |
| Catalog names | |
| NGC 3184 • UGC 5557 • PGC 30087 • CGCG 211-038 • MCG + 07-21-037 • IRAS 10152 + 4140 • KUG 1015 + 416 • 2MASX J10181698 + 4125277 • GC 2053 • H I 168 • h 689 • LDCE 743 NED001 | |
NGC 3184 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBc in the constellation Great Bear in the northern sky . The galaxy is an estimated 27 million light years from the Milky Way and is 60,000 light years across.
In the same area of the sky is u. a. the galaxy NGC 3179 .
The supernovae SN 1921B (type-II), SN 1921C (type-I), SN 1937F (TypIIP) and SN 1999gi (TypIIP) were observed here.
The object was discovered by Wilhelm Herschel on March 18, 1787 . As it turns out, the objects cataloged in the NGC catalog as NGC 3180 and NGC 3181 are H-II regions within NGC 3184.
Infrared image of NGC 3184 from the Spitzer Space Telescope
Web links
- SIMBAD Astronomical Database
- Gangly Spiral Galaxy NGC 3184 - Astronomy Picture of the Day from September 20, 2000 (English).
- Spektrum .de: amateur recordings [1] [2] [3]