NGC 4719
| Galaxy NGC 4719 |
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|---|---|
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| SDSS | |
| AladinLite | |
| Constellation | Hunting dogs |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 50 m 08.7 s |
| declination | + 33 ° 09 ′ 33 ″ |
| Appearance | |
| Morphological type | SB (s) b / AGN / Sbrst |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 14.0 mag |
| Angular expansion | 1.4 ′ × 1.1 ′ |
| Position angle | 15 ° |
| Surface brightness | 13.5 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.023653 ± 0.000023 |
| Radial velocity | 7091 ± 7 km / s |
|
Stroke distance v rad / H 0 |
(318 ± 22) · 10 6 ly (97.5 ± 6.8) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | May 3, 1785 |
| Catalog names | |
| NGC 4719 • UGC 7987 • PGC 43428 • CGCG 188-024 • MCG + 06-28-035 • IRAS 12477 + 3325 • KUG 1247 + 334 • 2MASX J12500870 + 3309330 • Mrk 446 • GC 3246 • H III 424 • h 1448 • GALEX ASC J125008.69 + 330932.5 • LDCE 918 NED001 • KIG 553 | |
NGC 4719 is an active bar-spiral galaxy with a high rate of star formation of the Hubble type SBb in the constellation Hounds in the northern sky . It is an estimated 318 million light years away from the Milky Way and about 135,000 light years in diameter.
The object was discovered on May 3, 1785 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as “vF, stellar, or little larger”.