NGC 7424
| Galaxy NGC 7424 |
|
|---|---|
|
|
| Very Large Telescope image | |
| AladinLite | |
| Constellation | crane |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 22 h 57 m 18.4 s |
| declination | -41 ° 04 ′ 14 ″ |
| Appearance | |
| Morphological type | SAB (rs) cd |
| Brightness (visual) | 10.2 mag |
| Brightness (B-band) | 10.9 likes |
| Angular expansion | 9.5 ′ × 8.1 ′ |
| Position angle | 101 ° |
| Surface brightness | 14.8 mag / arcmin² |
| Physical data | |
| Affiliation | SSRS group 40 |
| Redshift | (+3132 ± 7) · 10 −6 |
| Radial velocity | +939 ± 2 km / s |
|
Stroke distance v rad / H 0 |
(41 ± 3) x 10 6 ly (12.7 ± 0.9) Mpc |
| diameter | 100,000 ly |
| history | |
| discovery | John Herschel |
| Discovery date | September 5, 1834 |
| Catalog names | |
| NGC 7424 • PGC 70096 • ESO 346-019 • MCG -07-47-008 • IRAS 22544-4120 • 2MASX J22571836-4104140 • SGC 225428-4120.2 • GC 4867 • h 3965 • HIPASS J2257-41 • LDCE 1547 NED008 | |
NGC 7424 is a barred spiral galaxy of the Hubble type SBc in the constellation Crane in the southern sky . It is an estimated 41 million light years from the Milky Way and about 115,000 light years in diameter.
The supernovae SN 2001ig (Type IIb) and SN 2017bzb (Type II) were observed here.
The object was discovered by John Herschel on September 5, 1834 .
Web links
Commons : NGC 7424 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- The Arms of NGC 7424 - Astronomy Picture of the Day from December 16, 2004 (English).
- Antilhue Chile
- astronews.com: Picture of the day December 8, 2011