NGC 473
| Galaxy NGC 473 |
|
|---|---|
|
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| SDSS recording | |
| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 18 m 55.1 s |
| declination | + 16 ° 32 ′ 41 ″ |
| Appearance | |
| Morphological type | SAB (r) 0 / a: |
| Brightness (visual) | 12.4 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 1.9 ′ × 1.2 ′ |
| Position angle | 153 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | (7185 ± 150) · 10 −6 |
| Radial velocity | 2146 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(100 ± 7) x 10 6 ly (30.7 ± 2.2) Mpc |
| history | |
| discovery | FW Herschel |
| Discovery date | October 15, 1784 |
| Catalog names | |
| NGC 473 • UGC 859 • PGC 4785 • CGCG 459-30 • MCG + 03-04-022 • IRAS 01172 + 1616 • 2MASX J01195507 + 1632407 • GC 267 • H III 206 • | |
NGC 473 is a barred spiral galaxy in the constellation Pisces , which is about 100 million light-years away from the Milky Way .
The galaxy NGC 473 was discovered on October 15, 1784 by the German-British astronomer Friedrich Wilhelm Herschel .