NGC 7531
| Galaxy NGC 7531 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | crane |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 23 h 14 m 48.5 s |
| declination | -43 ° 36 ′ 00 ″ |
| Appearance | |
| Morphological type | SAB (r) bc |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 4.5 ′ × 1.7 ′ |
| Position angle | 15 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 472 |
| Redshift | 0.005324 +/- 0.000010 |
| Radial velocity | 1596 ± 3 km / s |
|
Stroke distance v rad / H 0 |
(70 ± 5) · 10 6 ly (21.5 ± 1.5) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | September 2, 1836 |
| Catalog names | |
| NGC 7531 • PGC 70800 • ESO 291-10 • MCG -07-47-025 • IRAS 23120-4352 • 2MASX J23144850-4335597 • SGC 231202-4352.3 • GC 4905 • h 3975 • HIPASS J2314-43 • LEDA 70800 • LDCE 1559 NED005 | |
NGC 7531 is a spiral galaxy of the Hubble type Sbc and is located in the constellation Crane in the southern sky . The galaxy has an angular extent of 4.5 '× 1.7' and an apparent magnitude of 11.3 mag. It is estimated to be 70 million light years away from the Milky Way and has a diameter of around 95,000 ly.
In the same area of the sky there is a. a. the galaxy NGC 7496 .
The type Ib / c supernova SN 2012dj was observed here.
The object was discovered by John Herschel on September 2, 1836 .
Web links
Commons : NGC 7531 - collection of images, videos, and audio files
