NGC 7548
Galaxy NGC 7548 |
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NGC 7548 SDSS Recording | |
AladinLite | |
Constellation | Pegasus |
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 |
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 .