NGC 4673
| Galaxy NGC 4673 |
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|---|---|
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| SDSS | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 45 m 34.7 s |
| declination | + 27 ° 03 ′ 39 ″ |
| Appearance | |
| Morphological type | E1 |
| Brightness (visual) | 12.9 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.0 ′ × 0.8 ′ |
| Position angle | 170 ° |
| Surface brightness | 12.7 mag / arcmin² |
| Physical data | |
| Redshift | 0.022856 +/- 0.000019 |
| Radial velocity | 6852 +/- 6 km / s |
|
Stroke distance v rad / H 0 |
(306 ± 22) x 10 6 ly (93.9 ± 6.6) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 6, 1785 |
| Catalog names | |
| NGC 4673 • UGC 7933 • PGC 43008 • CGCG 159-070 • MCG + 05-30-073 • 2MASX J12453470 + 2703386 • Mrk 656 • GC 3204 • H III 329 • h 1424 • LEDA 43008 • LDCE 926 NED002 | |
NGC 4673 is a 13.1 likes bright elliptical galaxy from the Hubble type E2 in the constellation Coma Berenices the northern sky . It is estimated to be 306 million light years from the Milky Way and about 90,000 light years in diameter .
The galaxies NGC 4670 and NGC 4692 are located in the same area of the sky .
The object was discovered on April 6, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "vF, S".