IC 4441

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Galaxy
IC 4441 / IC 4444
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AladinLite
Constellation wolf
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 14 h 31 m 38.6 s
declination -43 ° 25 ′ 06 ″
Appearance
Morphological type (R ') SA: (s) bc  
Brightness  (visual) 11.4 mag
Brightness  (B-band) 12.2 mag
Angular expansion 1.50 × 1.3
Position angle 90 °
Surface brightness 12.0 mag / arcmin²
Physical data
Redshift 0.006535 ± 0.000018  
Radial velocity 1959 ± 5 km / s  
Stroke distance
v rad  / H 0
(82 ± 6)  ·  10 6  ly
(25.1 ± 1.8)  Mpc 
history
discovery Lewis Swift
Discovery date March 28, 1897
Catalog names
IC  4441/4444  • PGC 51905 • ESO  272-014 • MCG  -07-30-002 • IRAS  14284-4311 • 2MASX  J14313860-4325060 • SGC  142827-4311.9 •

IC 4441 = IC 4444 is a bar-spiral galaxy of the Hubble type SBbc in the constellation Wolf in the southern sky . It is estimated to be 82 million light-years away from the Milky Way and has a diameter of about 40,000 ly.
In the same area of ​​the sky there are u. a. the galaxy NGC 5643 .

The object was discovered by Lewis Swift on March 28, 1897 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : IC 4441
  3. Seligman