NGC 28
| Galaxy NGC 28 |
|
|---|---|
![NGC 31, NGC 28, NGC 25 [1]](https://de.wikipedia.org/wiki/Datei:NGC_0028_DSS.jpg)
|
|
| NGC 31, NGC 28, NGC 25 | |
| AladinLite | |
| Constellation | Phoenix |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 00 h 10 m 25.24 s |
| declination | -56 ° 59 ′ 20.9 ″ |
| Appearance | |
| Morphological type | E1 |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.9 ′ × 0.7 ′ |
| Position angle | 45.3 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.032005 ± 0.000130 |
| Radial velocity | 9595 ± 39 km / s |
|
Stroke distance v rad / H 0 |
(425 ± 30) x 10 6 ly (130.2 ± 9.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 28, 1834 |
| Catalog names | |
| NGC 28 • PGC 730 • 2MASX J00102524-5659209 • GC 13 • h 2310 • GALEX ASC J001025.27-565919.9 • LDCE 7 NED002 • WISEA J001025.23-565920.6 | |
NGC 28 is an elliptical galaxy from the Hubble type E1 in the constellation Phoenix the southern sky . It is estimated to be 425 million light years from the Milky Way and about 195,000 light years in diameter. Whether this galaxy, like its neighbor NGC 25, is also part of the Abell 2731 galaxy cluster is still being investigated.
In the same area of the sky there are still u. a. the galaxies NGC 25 , NGC 31 , NGC 37 .
The object was discovered on October 28, 1834 by the British astronomer John Herschel .
Web links
Commons : NGC 28 - collection of images, videos and audio files
