NGC 4623
| Galaxy NGC 4623 |
|
|---|---|
|
|
| SDSS | |
| AladinLite | |
| Constellation | Virgin |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 42 m 10.7 s |
| declination | + 07 ° 40 ′ 37 ″ |
| Appearance | |
| Morphological type | SB0 (a?) |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 2.2 ′ × 0.7 ′ |
| Position angle | 176 ° |
| Surface brightness | 12.2 mag / arcmin² |
| Physical data | |
| Affiliation | Virgo cluster |
| Redshift | 0.006027 ± 0.000017 |
| Radial velocity | 1807 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(78 ± 6) · 10 6 ly (23.9 ± 1.7) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 13, 1784 |
| Catalog names | |
| NGC 4623 • UGC 7862 • PGC 42647 • CGCG 042-207 • MCG + 01-32-135 • 2MASX J12421070 + 0740369 • VCC 1913 • GC 3157 • H II 149 • h 1389 • LDCE 904 NED227 | |
NGC 4623 is a 11.9 mag bright, lens-shaped galaxy of the Hubble-type SB0 in the constellation Virgo on the ecliptic . It is estimated to be 78 million light years away from the Milky Way and about 60,000 light years in diameter . She is listed as a member of the Virgo galaxy cluster under catalog number VCC 1913 .
The galaxies NGC 4598 , NGC 4612 , IC 3617 , IC 3719 are located in the same area of the sky .
The object was discovered on April 13, 1784 by Wilhelm Herschel with an 18.7-inch reflecting telescope, who described it as "F, pL, iF, r".