NGC 4678
| Galaxy NGC 4678 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Virgin |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 12 h 49 m 41.8 s |
| declination | -04 ° 34 ′ 47 ″ |
| Appearance | |
| Morphological type | 1: Sbc 2: S? |
| Brightness (visual) | 1: 14.3 mag 2: 13.5 mag |
| Brightness (B-band) | 1: 15.0 mag 2: 14.3 mag |
| Angular expansion | 1: 1.0 ′ × 0.5 ′ 2: 0.9 ′ × 0.5 ′ |
| Position angle | 1: 82 ° 100 ° |
| Surface brightness | 1: 13.4 mag / arcmin² 2: 12.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.004723 ± 0.000003 |
| Radial velocity | 1416 ± 1 km / s |
|
Stroke distance v rad / H 0 |
(59 ± 4) · 10 6 ly (18.1 ± 1.3) Mpc |
| history | |
| discovery | Francis Leavenworth |
| Discovery date | 1886 |
| Catalog names | |
| NGC 4678, 4678-1, 4678-2 • IC 824 • PGC 43385 • MCG -01-33-018 • | |
NGC 4678 (= IC 824) is a double galaxy in which the two individual objects NGC 4678-1 and NGC 4678-2 are distinguished. NGC 4678-1 is a 14.3 likes bright spiral galaxy of Hubble type Sc; NGC 4678-2 is also a galaxy with an apparent magnitude of 14.3 mag and of the Hubble type S ?. The twin galaxy is located in the constellation Virgo and is approximately 59 million light years from the Milky Way.
It was discovered by Francis Preserved Leavenworth in 1886 and rediscovered on May 15, 1893 by Stéphane Javelle (IC 824).
Web links
- NGC 4678. SIMBAD, accessed February 3, 2015 .
- NGC 4678. DSO Browser, accessed February 3, 2015 .
- Auke Slotegraaf: NGC 4678. Deep Sky Observer's Companion, accessed February 3, 2015 .