NGC 806
| Galaxy NGC 806 |
|
|---|---|
![NGC 806 with PGC 3100716 (or adjacent) [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC806_-_SDSS_DR14.jpg)
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| NGC 806 with PGC 3100716 (or adjacent) SDSS image | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 2 h 3 m 31.1 s |
| declination | -9 ° 56 ′ 00 ″ |
| Appearance | |
| Morphological type | Scd pec? / HII |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 1.2 ′ × 0.4 ′ |
| Position angle | 60 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.013156 ± 0.000030 |
| Radial velocity | 3944 ± 9 km / s |
|
Stroke distance v rad / H 0 |
(176 ± 12) · 10 6 ly (54.1 ± 3.8) Mpc |
| history | |
| discovery | Lewis A. Swift |
| Discovery date | November 1, 1886 |
| Catalog names | |
| NGC 806 • PGC 7835 • MCG -02-06-021 • IRAS 02010-1010 • KUG 0201-101 • 2MASX J02033115-0956000 • NVSS J020331-095555 | |
NGC 806 is a spiral galaxy with extensive star formation regions of the Hubble-type Sc in the constellation Whale south of the ecliptic . It is estimated to be 176 million light years away from the Milky Way and has a diameter of about 60,000 ly . Together with PGC 3100716 , it forms a close, gravitationally bound galaxy pair .
The galaxy NGC 811 is located in the same area of the sky .
The object was discovered on November 1, 1886 by the American astronomer Lewis A. Swift .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 806. Deep Sky Observer's Companion, accessed on February 22, 2016 (English).
- NGC 806. DSO Browser, accessed February 22, 2016 .