NGC 809
| Galaxy NGC 809 |
|
|---|---|
![NGC 809 with LEDA 3102511 (left) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC809_-_SDSS_DR14.jpg)
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| NGC 809 with LEDA 3102511 (left) SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 02 h 04 m 19.0 s |
| declination | -08 ° 44 ′ 07 ″ |
| Appearance | |
| Morphological type | (R) S0 +: / LINER |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.2 ′ × 0.9 ′ |
| Position angle | 179 ° |
| Surface brightness | 13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.017902 ± 0.000060 |
| Radial velocity | 5367 ± 18 km / s |
|
Stroke distance v rad / H 0 |
(240 ± 17) · 10 6 ly (73.6 ± 5.2) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | September 1, 1886 |
| Catalog names | |
| NGC 809 • PGC 7889 • MCG -02-06-23 • 2MASX J02041900-0844072 • GALEX ASC J020418.91-084405.6 | |
NGC 809 is a lenticular galaxy of the Hubble type S0 in the constellation Whale south of the ecliptic . It is an estimated 240 million light years away from the Milky Way and has a diameter of around 85,000 ly.
In the same area of the sky are the galaxies NGC 787 and NGC 811 , among others .
The Type Ia supernova SN 2006ef was observed here.
The object was discovered on September 1, 1886 by the American astronomer Lewis A. Swift .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 809. Deep Sky Observer's Companion, accessed on February 22, 2016 (English).
- NGC 809. DSO Browser, accessed February 22, 2016 .