NGC 4773
| Galaxy NGC 4773 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 53 m 36.0 s |
| declination | -08 ° 38 ′ 19 ″ |
| Appearance | |
| Morphological type | E + pec S0 pec |
| Brightness (visual) | 13.9 mag 14.9 mag |
| Brightness (B-band) | 14.9 mag 15.9 mag |
| Angular expansion | 1.3 ′ × 1.0 ′ 0.4 ′ × 0.4 ′ |
| Surface brightness | 14.3 mag / arcmin² 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.011618 +/- 0.000127 |
| Radial velocity | 3483 +/- 38 km / s |
|
Stroke distance v rad / H 0 |
(151 ± 11) · 10 6 ly (46.3 ± 3.3) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | March 3, 1786 |
| Catalog names | |
| NGC 4773 • PGC 43810, 43811 • MCG -01-33-041, -01-33-042 • GC 3284 • H III 516 • LDCE 0921 NED034 | |
NGC 4773 is a gravitationally connected double galaxy in the constellation Virgo . The objects are listed in the catalog under NGC 4773-1 and NGC 4773-2 . NGC 4773-1 is a 13.9 may bright elliptical galaxy from the Hubble type E2; NGC 4773-2 a 14.9 mag bright lenticular galaxy of the Hubble type S0 pec. Both galaxies are about 150 million light years away from the Milky Way.
They were discovered on March 3, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described them as “vF, S”.