NGC 4845
| Galaxy NGC 4845 |
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|---|---|
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| Photo from the Hubble Space Telescope | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
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| Right ascension | 12 h 58 m 01.2 s |
| declination | + 01 ° 34 ′ 33 ″ |
| Appearance | |
| Morphological type | SA (s) ab / sp HII / LINER |
| Brightness (visual) | 11.3 mag |
| Brightness (B-band) | 12.1 mag |
| Angular expansion | 4 ′, 9 × 1 ′, 3 |
| Position angle | 80 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation |
NGC-4753 group Virgo II group |
| Redshift | 0.004110 ± 0.000057 |
| Radial velocity | 1232 ± 17 km / s |
|
Stroke distance v rad / H 0 |
(52 ± 4) · 10 6 ly (15.9 ± 1.1) Mpc |
| diameter | 80,000 ly |
| history | |
| discovery | William Herschel |
| Discovery date | February 24, 1786 |
| Catalog names | |
| NGC 4910 • UGC 8078 • PGC 44392 • CGCG 015-049 • MCG + 00-33-25 • IRAS 12554 + 0150 • 2MASX J12580124 + 0134320 • GC 3330 • H II 536 / HV 3? • h 1491 • LDCE 904 NED285 | |
NGC 4845 is an active spiral galaxy with extensive star formation regions of the Hubble type Sab in the constellation Virgo on the ecliptic . It is estimated to be 52 million light years from the Milky Way and about 150,000 light years in diameter . The galaxy has an angular extent of 4 ′, 9 × 1 ′, 3 and an apparent magnitude of 11.3 mag.
The object was discovered by Wilhelm Herschel on February 24, 1786 .
Web links
Commons : NGC 4845 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- astronews.com: Picture of the day January 5, 2016