NGC 490
| Galaxy NGC 490 |
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|---|---|
![NGC 490 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC490_-_SDSS_DR14.jpg)
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| NGC 490 SDSS image | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 22 m 02.872 s |
| declination | + 05 ° 22 ′ 01.89 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 14.4 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 0.7 ′ × 0.6 ′ |
| Position angle | 9 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Affiliation | WBL 37 NGC 488 group LGG 21 |
| Redshift | 0.007422 ± 0.000057 |
| Radial velocity | 2225 ± 17 km / s |
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Stroke distance v rad / H 0 |
(103 ± 7) · 10 6 ly (31.5 ± 2.2) Mpc |
| history | |
| discovery | Bindon B. Stoney |
| Discovery date | December 6, 1850 |
| Catalog names | |
| NGC 490 • PGC 4973 • CGCG 411-35 • MCG + 01-04-035 • 2MASX J01220285 + 0522021 • GC 277 • GALEX ASC J012202.88 + 052202.2 | |
NGC 490 is a spiral dwarf galaxy of the Hubble type S in the constellation Pisces on the ecliptic . It is estimated to be 103 million light years from the Milky Way and about 20,000 light years across. It is a member of the 7 galaxies counting NGC 488 group ( LGG 21 ).
In the same area of the sky are u. a. the galaxies NGC 486 , NGC 488 , NGC 492 , NGC 500 .
The object was discovered on December 6, 1850 by the Irish astronomer Bindon Blood Stoney , an assistant to William Parsons .
Web links
Commons : NGC 490 - collection of images, videos, and audio files
