NGC 4786
| Galaxy NGC 4786 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 54 m 32.4 s |
| declination | -06 ° 51 ′ 34 ″ |
| Appearance | |
| Morphological type | E + / pec |
| Brightness (visual) | 11.8 mag |
| Brightness (B-band) | 12.8 mag |
| Angular expansion | 1.6 ′ × 1.3 ′ |
| Position angle | 170 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.015501 ± 0.000093 |
| Radial velocity | 4647 ± 28 km / s |
|
Stroke distance v rad / H 0 |
(203 ± 14) · 10 6 ly (62.3 ± 4.4) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 17, 1784 |
| Catalog names | |
| NGC 4786 • PGC 43922 • MCG -01-33-046 • IRAS F12519-0635 • 2MASX J12543242-0651339 • GC 3297 • H II 187 • GALEX ASC J125432.46-065133.8 | |
NGC 4786 is a 11.8 mag bright elliptical cD galaxy of the Hubble type E2 in the constellation Virgo on the ecliptic . It is an estimated 203 million light years away from the Milky Way and is about 100,000 light years in diameter .
In the same area of the sky are u. a. the galaxies NGC 4775 , NGC 4813 , IC 833 , IC 3908 .
The Type Ia supernova SN 2002cf was observed here.
The object was discovered on April 17, 1784 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “pF, pL, r”.