NGC 2540

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Galaxy
NGC 2540
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NGC 2540 [1]
NGC 2540
AladinLite
Constellation cancer
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 08 h 12 m 46.449 s
declination + 26 ° 21 ′ 42.4 ″
Appearance
Morphological type SB (rs) cd: / HII  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.2 mag
Angular expansion 1.3 '× 0.9'
Position angle 125 °
Surface brightness 13.5 mag / arcmin²
Physical data
Redshift 0.021018 ± 0.000033  
Radial velocity 6301 ± 10 km / s  
Stroke distance
v rad  / H 0 		(279 ± 20)  x  10 6  ly
(85.5 ± 6.0)  Mpc 
history
discovery Édouard Stephan
Discovery date February 10, 1885
Catalog names
NGC  2540 • UGC  4275 • PGC  23017 • CGCG  149-004 • MCG  + 05-20-004 • IRAS  08097 + 2630 • KUG  0809 + 265 • 2MASX  J08124642 ​​+ 2621391 •

NGC 2540 is a barred spiral galaxy of the Hubble type SBc in the constellation Cancer on the ecliptic . It is estimated to be 279 million light years from the Milky Way and about 110,000 light years in diameter.
The galaxies IC 496 and IC 2230 are located in the same area of ​​the sky .

The object was discovered by Édouard Stephan on February 10, 1885 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 2540
  4. ↑ Seligman