NGC 4823
| Galaxy NGC 4823 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 57 m 25.64 s |
| declination | -13 ° 41 ′ 55.3 ″ |
| Appearance | |
| Morphological type | S0 +: sp |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.6 mag |
| Angular expansion | 0.7 ′ × 0.2 ′ |
| Position angle | 175 ° |
| Surface brightness | 12.5 mag / arcmin² |
| Physical data | |
| Redshift | 0.015361 ± 0.000150 |
| Radial velocity | 4605 ± 45 km / s |
|
Stroke distance v rad / H 0 |
(201 ± 14) · 10 6 ly (61.5 ± 4.3) Mpc |
| history | |
| discovery | Wilhelm Temple |
| Discovery date | 1882 |
| Catalog names | |
| NGC 4823 • PGC 44299 • 2MASX J12572565-1341551 • 2MASS J12572562-1341553 • GALEX ASC J125725.70-134156.2 • WISEA J125725.63-134155.2 | |
NGC 4823 is a 14.7 mag bright lenticular galaxy of the Hubble type S0 / a in the constellation Virgo on the ecliptic . It is estimated to be 201 million light years from the Milky Way and about 45,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 4820 , NGC 4825 , NGC 4829 , NGC 4847 .
The object was discovered together with NGC 4820 and NGC 4829 in a single observation in 1882 by Ernst Wilhelm Leberecht Tempel , who noted "Quite close to the south [of N4825] are three more faint nebulae".