NGC 4712
| Galaxy NGC 4712 |
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|---|---|
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| NGC 4712 with 2MASX J12494247 + 2529032 (ol), SDSS image | |
| AladinLite | |
| Constellation | Berenike's hair |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 49 m 34.2 s |
| declination | + 25 ° 28 ′ 12 ″ |
| Appearance | |
| Morphological type | SA (s) bc / HII |
| Brightness (visual) | 12.5 mag |
| Brightness (B-band) | 13.3 mag |
| Angular expansion | 2.30 x 0.9 |
| Position angle | 160 ° |
| Surface brightness | 13.1 mag / arcmin² |
| Physical data | |
| Redshift | 0.014623 ± 0.000017 |
| Radial velocity | 4384 ± 5 km / s |
|
Stroke distance v rad / H 0 |
(196 ± 14) · 10 6 ly (60.1 ± 4.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 28, 1832 |
| Catalog names | |
| NGC 4712 • UGC 7977 • PGC 43368 • CGCG 129-025 • MCG + 04-30-021 • IRAS 12471 + 2544 • KUG 1247 + 257 • 2MASX J12493421 + 2528117 • GALEX ASC J124934.26 + 252812.9 • HOLM 468B | |
NGC 4712 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Haar der Berenike in the northern sky . It is estimated to be 196 million light years from the Milky Way and about 135,000 light years in diameter .
In the same area of the sky are u. a. the galaxies NGC 4725 and NGC 4747 .
The object was discovered by John Herschel on March 28, 1832 .
Web links
Commons : NGC 4712 - collection of images, videos, and audio files
- SIMBAD Astronomical Database
- Spektrum.de : Amateur recordings [1] [2]