NGC 554
| Galaxy NGC 554 |
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|---|---|
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| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 27 m 09.6 s |
| declination | -22 ° 43 ′ 30 ″ |
| Appearance | |
| Morphological type | (S0 pec) + (SB0: pec) |
| Brightness (visual) | 13.8 mag |
| Brightness (B-band) | 14.8 mag |
| Angular expansion | 0.90 × 0.5 |
| Position angle | 177 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Redshift | 0.032572 +/- 0.000177 |
| Radial velocity | 9765 +/- 53 km / s |
|
Stroke distance v rad / H 0 |
(436 ± 31) · 10 6 Lj (133.6 ± 9.4) Mpc |
| history | |
| discovery | Frank Muller |
| Discovery date | 1886 |
| Catalog names | |
| NGC 554 • PGC 5412/5413 • ESO 476-IG 011 • MCG -04-04-13 • | |
NGC 554 is an interacting pair of galaxies in the constellation Cetus . It is estimated to be 436 million light years from the Milky Way .
The property was discovered by Frank Muller in 1886 .