NGC 553
| Galaxy NGC 553 |
|
|---|---|
|
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| AladinLite | |
| Constellation | fishes |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 26 m 12.6 s |
| declination | + 33 ° 24 ′ 18 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 14.1 mag |
| Brightness (B-band) | 15.1 mag |
| Angular expansion | 0.60 x 0.3 |
| Position angle | 15 ° |
| Surface brightness | 12.1 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 26 |
| Redshift | 0.017068 +/- 0.000100 |
| Radial velocity | 5117 +/- 30 km / s |
|
Stroke distance v rad / H 0 |
(235 ± 17) · 10 6 ly (72.1 ± 5.1) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | September 13, 1784 |
| Catalog names | |
| NGC 553 • PGC 5333 • CGCG 502-084 • 2MASX J01261252 + 3324183 • Mrk 1155 • GC 329 • H III 173 • GALEX J012612.50 + 332418.5 | |
NGC 553 is a lenticular galaxy of the Hubble type S0 in the constellation Pisces on the ecliptic . It is estimated to be 235 million light years away from the Milky Way and has a diameter of about 40,000 ly.
In the same area of the sky there are u. a. the galaxies NGC 515 , NGC 517 , NGC 528 , IC 1692 .
The object was discovered on September 13, 1784 by the German-British astronomer Wilhelm Herschel .