NGC 546
| Galaxy NGC 546 |
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|---|---|
![NGC 544 & NGC 546 with LEDA 109183 [1] (l.)](https://de.wikipedia.org/wiki/Datei:NGC_0546_DSS.jpg)
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| NGC 544 & NGC 546 with LEDA 109183 (l.) | |
| AladinLite | |
| Constellation | sculptor |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 01 h 25 m 12.8 s |
| declination | -38 ° 04 ′ 09 ″ |
| Appearance | |
| Morphological type | Sc / pec / HII |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.5 mag |
| Angular expansion | 1.4 ′ × 0.5 ′ |
| Position angle | 35 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | Abell 2911 |
| Redshift | 0.021682 ± 0.000033 |
| Radial velocity | 6500 ± 10 km / s |
|
Stroke distance v rad / H 0 |
(288 ± 20) x 10 6 ly (88.2 ± 6.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | October 23, 1835 |
| Catalog names | |
| NGC 546 • PGC 5255 • ESO 296-025 • MCG -06-04-029 • IRAS 01229-3819 • 2MASX J01251280-3804084 • SGC 012258-3819.7 • GC 321 • h 2412 • GALEX ASC J012512.75-380407.9 • LDCE 88 NED003 | |
NGC 546 is a bar-spiral galaxy with extensive star formation regions of the Hubble type SBb in the Sculptor constellation in the southern sky . It is an estimated 288 million light years away from the Milky Way and has a diameter of about 120,000 ly. Together with NGC 544 , it probably forms a gravitationally bound galaxy pair.
The galaxies NGC 534 and NGC 549 are located in the same area of the sky .
The object was discovered on October 23, 1835 by the British astronomer John Frederick William Herschel .