NGC 4394
Galaxy NGC 4394 |
|
---|---|
Photo from the Hubble Space Telescope | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
|
Right ascension | 12 h 25 m 55.5 s |
declination | + 18 ° 12 ′ 51 ″ |
Appearance | |
Morphological type | (R) SB (r) b / LINER |
Brightness (visual) | 10.9 likes |
Brightness (B-band) | 11.7 mag |
Angular expansion | 3.4 ′ × 3.2 ′ |
Position angle | 141 ° |
Surface brightness | 13.3 mag / arcmin² |
Physical data | |
Affiliation | Virgo Galaxy Cluster LGG 289 |
Redshift | 0.003075 ± 0.000013 |
Radial velocity | 922 ± 4 km / s |
Stroke distance v rad / H 0 |
(39 ± 3) x 10 6 ly (12.1 ± 0.9) Mpc |
diameter | 50,000 ly |
history | |
discovery | Wilhelm Herschel |
Discovery date | March 14, 1784 |
Catalog names | |
NGC 4394 • UGC 7523 • PGC 40614 • CGCG 099-047 • MCG + 03-32-35 • IRAS 12234 + 1829 • 2MASX J12255562 + 1812501 • VCC 857 • GC 2957 • H II 55 • h 1251 • KCPG 334B • LDCE 0904 NED103 |
NGC 4394 is a barred spiral galaxy of the Hubble type SBb in the constellation Haar der Berenike in the northern sky . It is an estimated 39 million light years away from the Milky Way , has a diameter of about 50,000 ly and belongs to the Virgo Galaxy Cluster .
NGC 4394 is apparently a real companion to the M85 galaxy . The galaxy M85 can be found at a distance of 8 arc minutes .
The object was discovered on March 14, 1784 by the German-British astronomer Wilhelm Herschel .
Web links
- astronews.com: Picture of the day May 3, 2016
- spectrum .de: amateur recordings [1]
- SIMBAD Astronomical Database
Individual evidence
- ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
- ↑ a b c d e f SEDS : NGC 4394
- ↑ Interacting Galaxies M-85, NGC 4394, & MCG 3-32-29 Quasar J1225 + 182. Kopernik Observatory & Science Education Center, July 16, 2008, accessed July 12, 2008 .
- ^ Matthias Juchert: Carinthian Messier Marathon on March 10/11, 2002. In: Serifone.de. March 11, 2002, accessed on July 12, 2008 (German).
- ↑ Seligman