NGC 7693
| Galaxy NGC 7693 |
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|---|---|
![NGC 7693 with LEDA 1121906 (u) [1]](https://de.wikipedia.org/wiki/Datei:NGC7693_-_SDSS_DR14.jpg)
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| NGC 7693 with LEDA 1121906 (u) | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 33 m 10.5 s |
| declination | -01 ° 17 ′ 31 ″ |
| Appearance | |
| Morphological type | SB (r) 0+: |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.2 '× 0.8' |
| Position angle | 156 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.008346 ± 0.000017 |
| Radial velocity | 2502 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(117 ± 8) x 10 6 ly (35.9 ± 2.5) Mpc |
| history | |
| discovery | December 1, 1882 |
| Discovery date | Asaph Hall |
| Catalog names | |
| NGC 7693 • PGC 71720 • CGCG 381-006 • MCG + 00-60-003 • 2MASX J23331048-0117312 • GALEX ASC J233310.52-011730.4 | |
NGC 7693 is a lenticular galaxy of the Hubble type S0 / a in the constellation Pisces on the ecliptic . It is an estimated 117 million light-years from the Milky Way and about 40,000 light-years across.
The object was discovered by Asaph Hall on December 1, 1882 .