NGC 3493

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Galaxy
NGC 3493
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NGC 3493 & LEDA 213772 [1] (below)
NGC 3493 & LEDA 213772 (below)
AladinLite
Constellation Little lion
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 01 m 27.8 s
declination + 27 ° 43 ′ 10 ″
Appearance
Morphological type SBc  
Brightness  (visual) 14.6 mag
Brightness  (B-band) 15.3 mag
Angular expansion 1.1 ′ × 0.3 ′
Position angle 84 °
Surface brightness 13.2 mag / arcmin²
Physical data
Redshift 0.029707 ± 0.000050  
Radial velocity 8906 ± 15 km / s  
Stroke distance
v rad  / H 0
(396 ± 28)  ·  10 6  ly
(121.5 ± 8.5)  Mpc 
history
discovery John Herschel
Discovery date December 24, 1827
Catalog names
NGC  3493 • UGC  6099 • PGC  33249 • CGCG  155-044 • MCG  + 05-26-036 • IRAS  10587 + 2759 • 2MASX  J11012782 + 2743099 • NSA 138587

NGC 3493 is a barred spiral galaxy of the Hubble type SBc in the constellation Leo Minor in the northern sky. It is estimated to be 396 million light years away from the Milky Way and has a diameter of about 130,000 ly.
In the same area of ​​the sky there are u. a. the galaxies NGC 3504 , NGC 3512 , NGC 3515 .

The object was discovered by John Herschel on December 24, 1827 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 3493
  4. Seligman