NGC 693
| Galaxy NGC 693 |
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|---|---|
|
|
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 50 m 30.8 s |
| declination | + 06 ° 08 ′ 43 ″ |
| Appearance | |
| Morphological type | S0 / a? / HII |
| Brightness (visual) | 12.3 mag |
| Brightness (B-band) | 13.2 mag |
| Angular expansion | 2.2 ′ × 1.1 ′ |
| Position angle | 106 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.005227 ± 0.000017 |
| Radial velocity | 1567 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(73 ± 5) · 10 6 ly (22.3 ± 1.6) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | December 25, 1790 |
| Catalog names | |
| NGC 693 • UGC 1304 • PGC 6778 • CGCG 412-033 • MCG + 01-05-035 • IRAS 01479 + 0553 • 2MASX J01503084 + 0608427 • GC 412 • H II 859 • h 156 • HIPASS J0150 + 06 | |
NGC 693 is a lenticular galaxy with extensive star formation regions of the Hubble type S0 / a in the constellation Pisces on the ecliptic . It is estimated to be 73 million light years from the Milky Way and about 45,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 676 and NGC 706 .
The object was discovered on December 25, 1790 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 693 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 693. Deep Sky Observer's Companion, accessed on September 19, 2015 .