NGC 802
| Galaxy NGC 802 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Little water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 59 m 06.0 s |
| declination | -67 ° 52 ′ 13 ″ |
| Appearance | |
| Morphological type | SAB (s) 0+ pec: |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 0.9 ′ × 0.6 ′ |
| Position angle | 152 ° |
| Surface brightness | 12 mag / arcmin² |
| Physical data | |
| Redshift | 0.004920 ± 0.000017 |
| Radial velocity | 1475 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(59 ± 4) · 10 6 ly (18.2 ± 1.3) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | November 2, 1834 |
| Catalog names | |
| NGC 802 • PGC 7505 • ESO 052-013 • 2MASX J01590600-6752123 • SGC 015755-6806.7 • GC 482 • h 2457 • GALEX ASC J015905.93-675213.3 | |
NGC 802 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Little Water Snake in the southern sky . It is about 59 million light years from the Milky Way and about 20,000 light years in diameter.
The galaxy NGC 813 is located in the same area of the sky .
The object was discovered on November 2, 1834 by the British astronomer John Herschel .
Web links
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 802. Deep Sky Observer's Companion, accessed on March 22, 2016 (English).
- NGC 802. DSO Browser, accessed March 22, 2016 .