NGC 2840

from Wikipedia, the free encyclopedia
Galaxy
NGC 2840
{{{Card text}}}
NGC 2840 & 2MASX J09204805 + 3522239, SDSS
NGC 2840 & 2MASX J09204805 + 3522239 , SDSS
AladinLite
Constellation lynx
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 09 h 20 m 52.7 s
declination + 35 ° 22 ′ 06 ″
Appearance
Morphological type SB (rs) bc / LINER  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.6 mag
Angular expansion 1 ′ × 0.9 ′
Position angle 110 °
Surface brightness 13.5 mag / arcmin²
Physical data
Redshift 0.025017 +/- 0.000007  
Radial velocity 7500 +/- 2 km / s  
Stroke distance
v rad  / H 0
(334 ± 23)  x  10 6  ly
(102.4 ± 7.2)  Mpc 
history
discovery William Herschel
Discovery date March 10, 1790
Catalog names
NGC  2840 • UGC  4960 • PGC  26445 • CGCG  181-032 • MCG  + 06-21-025 • IRAS  9178 + 3534 • 2MASX  J09205267 + 3522062 • GC  1822 • H  III 827 • h  586 •

NGC 2840 is a bar-spiral galaxy with an active nucleus of the Hubble-type SBbc in the constellation of the lynx in the northern sky . It is an estimated 334 million light years away from the Milky Way and has a diameter of about 95,000 ly.
In the same area of ​​the sky are the galaxies IC 2456 and IC 2459 .

The object was discovered on March 10, 1790 by William Herschel .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : NGC 2840
  3. Seligman