NGC 4523
| Galaxy NGC 4523 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 33 m 48.0 s |
| declination | + 15 ° 10 ′ 06 ″ |
| Appearance | |
| Morphological type | SAB (s) m / HII |
| Brightness (visual) | 13.5 likes |
| Brightness (B-band) | 14.1 mag |
| Angular expansion | 1.9 ′ × 1.8 ′ |
| Position angle | 45 ° |
| Surface brightness | 14.7 mag / arcmin² |
| Physical data | |
| Affiliation | NGC 4343 group NGC 4636 group Messier 49 group LGG 292 |
| Redshift | 0.000874 ± 0.000013 |
| Radial velocity | 262 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(10 ± 1) x 10 6 ly (3.01 ± 0.22) Mpc |
| history | |
| discovery | Heinrich d'Arrest |
| Discovery date | April 19, 1865 |
| Catalog names | |
| NGC 4523 • UGC 7713 • PGC 41746 • CGCG 099-089 • MCG + 03-32-68 • VCC 1524 • GC 5661 • NVSS J123347 + 151002 • EVCC 876 | |
NGC 4523 is a spiral dwarf galaxy with extensive star formation regions of the Hubble type SBm in the constellation Haar der Berenike in the northern sky. It is estimated to be 10 million light years from the Milky Way and about 10,000 light years in diameter.
In the same area of the sky are u. a. the galaxies IC 798 , IC 800 , IC 3522 , IC 3534 .
The type IIP supernova SN 1999gq was observed here.
The object was discovered on April 19, 1865 by the astronomer Heinrich Louis d'Arrest .
Web links
Commons : NGC 4523 - collection of images, videos, and audio files
