NGC 4285

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Galaxy
NGC 4285
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NGC 4285 PanS.jpg
AladinLite
Constellation Virgin
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 20 m 39.8 s
declination -11 ° 38 ′ 31 ″
Appearance
Morphological type Sa / HII  
Brightness  (visual) 14.1 mag
Brightness  (B-band) 15.0 mag
Angular expansion 0.9 '× 0.5'
Position angle 50 °
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.025624 ± 0.000030  
Radial velocity (7682 ± 9) km / s  
Stroke distance
v rad  / H 0
(337 ± 23)  x  10 6  ly
(103.4 ± 7.2)  Mpc 
history
discovery Lewis Swift
Discovery date May 6, 1886
Catalog names
NGC  4285 • PGC  39842 • MCG  -02-32-004 • IRAS  F12180-1121 • 2MASX  J12203979-1138310 • GALEX ASC J122039.88-113830.6

NGC 4285 is a spiral galaxy with extensive star formation regions of the Hubble type Sa in the constellation Virgo on the ecliptic . It is an estimated 337 million light years from the Milky Way and about 90,000 light years in diameter .
The galaxies NGC 4279 and NGC 4263 are located in the same area of ​​the sky .

The object was discovered by Lewis Swift on May 6, 1886 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4285
  3. Seligman