NGC 7427
| Galaxy NGC 7427 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Pegasus |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 22 h 57 m 09.9 s |
| declination | + 08 ° 30 ′ 20 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 15.1 mag |
| Brightness (B-band) | 16.1 mag |
| Angular expansion | 0.7 ′ × 0.7 ′ |
| Surface brightness | 14.2 mag / arcmin² |
| Physical data | |
| Redshift | 0.032376 +/- 0.000080 |
| Radial velocity | 9706 +/- 24 km / s |
|
Stroke distance v rad / H 0 |
(441 ± 31) · 10 6 ly (135.1 ± 9.5) Mpc |
| history | |
| discovery | Otto Wilhelm von Struve |
| Discovery date | November 22, 1865 |
| Catalog names | |
| NGC 7427 • PGC 70091 • CGCG 405-018 • MCG + 01-58-016 • 2MASX J22570992 + 0830203 • Mrk 521 • ZWG 405.18 | |
NGC 7427 is a lenticular galaxy of the Hubble type S0 in the constellation Pegasus in the northern sky . It is estimated 441 million light years away from the Milky Way and has a diameter of about 90,000 ly.
In the same area of the sky are the galaxies NGC 7430 and NGC 7451 .
The object was discovered on November 22, 1865 by Otto Wilhelm von Struve .