NGC 791
| Galaxy NGC 791 |
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|---|---|
![NGC 791 (middle) with PGC 7713 & PGC 7681 (right) [1] (below) SDSS image](https://de.wikipedia.org/wiki/Datei:NGC791_-_SDSS_DR14.jpg)
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| NGC 791 (middle) with PGC 7713 & PGC 7681 (right) (u) SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 02 h 01 m 44.2 s |
| declination | + 08 ° 30 ′ 00 ″ |
| Appearance | |
| Morphological type | E. |
| Brightness (visual) | 13.3 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.6 ′ × 1.6 ′ |
| Surface brightness | 14.4 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 63 |
| Redshift | 0.026802 ± 0.000140 |
| Radial velocity | 8035 ± 42 km / s |
|
Stroke distance v rad / H 0 |
(362 ± 25) x 10 6 ly (110.9 ± 7.8) Mpc |
| history | |
| discovery | Heinrich Louis d'Arrest |
| Discovery date | December 3, 1861 |
| Catalog names | |
| NGC 791 • UGC 1511 • PGC 7702 • CGCG 413-028 • MCG + 01-06-031 • 2MASX J02014419 + 0829597 • GC 476 • GALEX ASC J020144.20 + 083000.1 • LDCE 121 NED003 | |
NGC 791 is an elliptical galaxy from the Hubble type E0 in the constellation fish on the ecliptic . It is estimated to be 362 million light years from the Milky Way and about 170,000 light years in diameter .
In the same area of the sky are u. a. the galaxies NGC 766 and IC 1772 .
The object was discovered on December 3, 1861 by the German-Danish astronomer Heinrich Louis d'Arrest .
Web links
Commons : NGC 791 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Auke Slotegraaf: NGC 791. Deep Sky Observer's Companion, accessed on March 20, 2016 (English).
- NGC 791. DSO Browser, accessed March 20, 2016 .