IC 2040

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Galaxy
IC 2040
{{{Card text}}}
IC 2040 [1]
IC 2040
AladinLite
Constellation Eridanus
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 04 h 12 m 59.77 s
declination -32 ° 33 ′ 11.8 ″
Appearance
Morphological type S0  
Brightness  (visual) 12.6 mag
Brightness  (B-band) 13.6 mag
Angular expansion 1.40 × 0.8
Position angle 65 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 1532 group
LGG 111  
Redshift 0.004463 ± 0.000027  
Radial velocity 1338 ± 8 km / s  
Stroke distance
v rad  / H 0 		(54 ± 4)  ·  10 6  ly
(16.5 ± 1.2)  Mpc 
history
discovery Lewis Swift
Discovery date December 23, 1897
Catalog names
IC  2040 • PGC  14671 • ESO  359-030 • MCG  -05-11-004 • IRAS  04110-3240 • 2MASX  J04125976-3233116 • SGC  41104-3240.7 • 2MASS J04125982-3233120 • LDCE 289 NED003

IC 2040 is a lenticular galaxy of the Hubble type S0 in the constellation Eridanus south of the celestial equator . It is estimated to be 54 million light years from the Milky Way and about 20,000 light years across. Together with nine other galaxies, it forms the NGC 1532 group ( LGG 111 ).
In the same area of ​​the sky are the galaxies NGC 1531 , NGC 1532 , NGC 1537 , IC 2048 .

The object was discovered by Lewis Swift on December 23, 1897 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 2040
  4. ^ VizieR
  5. ↑ Seligman