NGC 5531
| Galaxy NGC 5531 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 16 m 43.2 s |
| declination | + 10 ° 53 ′ 07 ″ |
| Appearance | |
| Morphological type | S0 |
| Brightness (visual) | 13.7 mag |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 0.9 ′ × 0.9 ′ |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.025905 +/- 0.000070 |
| Radial velocity | 7766 +/- 21 km / s |
|
Stroke distance v rad / H 0 |
(347 ± 24) x 10 6 ly (106.5 ± 7.5) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | February 7, 1862 |
| Catalog names | |
| NGC 5531 • PGC 50999 • CGCG 074-155 • MCG + 02-36-061 • GC 3824 • | |
NGC 5531 is a 13.7 mag bright lenticular galaxy of the Hubble-type S0 in the constellation Bear Keeper and about 347 million light years from the Milky Way.
It was discovered by Heinrich Louis d'Arrest on February 7, 1862 .
Web links
- NGC 5531. SIMBAD, accessed March 12, 2016 .
- NGC 5531. DSO Browser, accessed March 12, 2016 .
- Auke Slotegraaf: NGC 5531. Deep Sky Observer's Companion, accessed on March 12, 2016 (English).