NGC 4799
| Galaxy NGC 4799 |
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|---|---|
![NGC 4799 [1] SDSS image](https://de.wikipedia.org/wiki/Datei:NGC4799_-_SDSS_DR14.jpg)
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| NGC 4799 SDSS image | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 55 m 15.533 s |
| declination | + 02 ° 53 ′ 47.90 ″ |
| Appearance | |
| Morphological type | S? / Sy / LINER |
| Brightness (visual) | 13.6 mag |
| Brightness (B-band) | 14.3 mag |
| Angular expansion | 1.3 ′ × 0.6 ′ |
| Position angle | 91 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | isolated |
| Redshift | 0.009316 ± 0.000027 |
| Radial velocity | 2793 ± 8 km / s |
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Stroke distance v rad / H 0 |
(122 ± 8) · 10 6 ly (37.3 ± 2.6) Mpc |
| history | |
| discovery | Wilhelm Herschel |
| Discovery date | April 30, 1786 |
| Catalog names | |
| NGC 4799 • UGC 8043 • PGC 44017 • CGCG 043-066 • MCG + 01-33-025 • IRAS 12526 + 0310 • 2MASX J12551554 + 0253477 • GC 3304 • H III 548 • h 1476 • GALEX ASC J125515.55 + 025348.0 • HIPASS J1255 + 02 • EVCC 1244 • SIG 471 | |
NGC 4799 is a 13.6 mag bright spiral galaxy of the Hubble type Sc with an active galaxy core in the constellation Virgo on the ecliptic . It is estimated to be 122 million light years from the Milky Way and about 50,000 light years in diameter.
In the same area of the sky are u. a. the galaxies NGC 4772 , NGC 4809 , NGC 4810 .
The object was discovered on April 30, 1786 by Wilhelm Herschel with an 18.7-inch reflector telescope, who described it as "vF, cS, with 240 power LE, near vS star".