NGC 4394

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Galaxy
NGC 4394
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Photo from the Hubble Space Telescope
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 .

  • NGC 4394.png
  • M85 and NGC 4394.png

Web links

Individual evidence

  1. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. ↑ a b c d e f SEDS : NGC 4394
  3. ↑ 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 .
  4. ^ Matthias Juchert: Carinthian Messier Marathon on March 10/11, 2002. In: Serifone.de. March 11, 2002, accessed on July 12, 2008 (German).
  5. ↑ Seligman