NGC 7543
| Galaxy NGC 7543 |
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|---|---|
![NGC 7543 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC7543_-_SDSS_DR14.jpg)
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| NGC 7543 SDSS image | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 14 m 34.6 s |
| declination | + 28 ° 19 ′ 38 ″ |
| Appearance | |
| Morphological type | S? |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.1 '× 0.9' |
| Position angle | 140 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.023086 ± 0.000033 |
| Radial velocity | 6921 ± 10 km / s |
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Stroke distance v rad / H 0 |
(318 ± 22) · 10 6 ly (97.5 ± 6.8) Mpc |
| history | |
| discovery | Édouard Stephan |
| Discovery date | September 19, 1878 |
| Catalog names | |
| NGC 7543 • UGC 12450 • PGC 70785 • CGCG 496-065 • MCG + 05-54-052 • IRAS 23121 + 2803 • 2MASX J23143451 + 2819373 • GALEX ASC J231434.59 + 281939.0 • LDCE 1561 NED012 | |
NGC 7543 is a spiral galaxy of Hubble type Sbc in the constellation Pegasus at the northern sky . It is an estimated 318 million light years from the Milky Way and about 100,000 light years in diameter.
The object was discovered on September 19, 1878 by Édouard Stephan .