NGC 2431

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Galaxy
NGC 2431 / NGC 2436
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NGC 2431
NGC 2431
AladinLite
Constellation lynx
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 07 h 45 m 13.4 s
declination + 53 ° 04 ′ 30 ″
Appearance
Morphological type (R ') SB (s) a:  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.4 mag
Angular expansion 0.90 × 0.90
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.018943 ± 0.000217  
Radial velocity 5679 ± 65 km / s  
Stroke distance
v rad  / H 0
(256 ± 18)  ·  10 6  ly
(78.5 ± 5.6)  Mpc 
history
discovery William Herschel
Discovery date March 17, 1790
Catalog names
NGC  2431/2436  • UGC  3999 • PGC 21711 • CGCG  262-024 • MCG  + 09-13-042 • KUG  741 + 531 • 2MASX  J07451348 + 5304310 • GC  1558 • H  III 829 • GALEX ASC J074513.44 + 530430.3 • LDCE 0523 NED003

NGC 2431 = NGC 2436 is a bar-spiral galaxy of the Hubble type SBa in the constellation Lynx in the northern sky . It is an estimated 256 million light years away from the Milky Way and about 70,000 light years in diameter.
In the same area of ​​the sky are u. a. the galaxies NGC 2426 and NGC 2429 .

The Type Ic supernova SN 2011bh was observed here.

The object was discovered by William Herschel on March 17, 1790 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d SEDS : NGC 2431
  3. Simbad
  4. Seligman