NGC 7548
| Galaxy NGC 7548 |
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|---|---|
![NGC 7548 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC7548_-_SDSS_DR14.jpg)
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| NGC 7548 SDSS Recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 23 h 15 m 11.1 s |
| declination | + 25 ° 16 ′ 55 ″ |
| Appearance | |
| Morphological type | (R) SAB (r) 0 ^ 0 ^: |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.1 '× 0.9' |
| Position angle | 15 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.026648 ± 0.000033 |
| Radial velocity | 7989 ± 10 km / s |
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Stroke distance v rad / H 0 |
(365 ± 25) x 10 6 ly (112.0 ± 7.8) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | September 30, 1861 |
| Catalog names | |
| NGC 7548 • UGC 12455 • PGC 70826 • CGCG 475-050 • MCG + 04-54-036 • IRAS 23127 + 2459 • 2MASX J23151111 + 2516550 • NSA 150908 • LDCE 1568 NED002 | |
NGC 7548 is a lenticular galaxy of the Hubble type SB0 in the constellation Pegasus in the northern sky . It is estimated to be 365 million light-years from the Milky Way and about 115,000 light-years across.
In the same area of the sky are u. a. the galaxies IC 5293 , IC 5295 , IC 5296 , IC 5297 .
The object was discovered on September 30, 1861 by Heinrich Louis d'Arrest .