NGC 428
| Galaxy NGC 428 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 12 m 55.7 s |
| declination | + 00 ° 58 ′ 54 ″ |
| Appearance | |
| Morphological type | SAB (s) m / HII |
| Brightness (visual) | +11.3 mag |
| Brightness (B-band) | +11.9 mag |
| Angular expansion | 4.1 ′ × 3.1 ′ |
| Position angle | 120 ° |
| Surface brightness | +13.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.003843 +/- 0.000007 |
| Radial velocity | (1152 +/- 2) km / s |
|
Stroke distance v rad / H 0 |
(54 ± 4) · 10 6 ly (16.7 ± 1.2) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | December 20, 1786 |
| Catalog names | |
| NGC 428 • UGC 763 • PGC 4367 • CGCG 385-028 • MCG + 00-04-036 • IRAS 01103 + 0043 • 2MASX J01125570 + 0058536 • GC 238 • H II 622 • HIPASS J0112 + 00 | |
NGC 428 is a bar-spiral galaxy with extensive star formation areas of the Hubble type SBm in the constellation Whale south of the celestial equator . It is estimated to be 54 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of the sky are the galaxies IC 83 , IC 84 , IC 87 , IC 88 .
The Type Ia supernova SN 2013ct was observed here.
The object was discovered on December 20, 1786 by the German-British astronomer Wilhelm Herschel .
Web links
Commons : NGC 428 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- astronews: Picture of the day August 11, 2015