IC 4303

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Galaxy
IC 4303
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AladinLite
Constellation Water snake
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 13 h 37 m 18.2 s
declination -28 ° 39 ′ 29 ″
Appearance
Morphological type Sb  
Brightness  (visual) 14.5 mag
Brightness  (B-band) 15.3 mag
Angular expansion 1.00 'x 0.5'
Position angle 65 °
Surface brightness 13.6 mag / arcmin²
Physical data
Redshift 0.008022 ± 0.000150  
Radial velocity 2405 ± 45 km / s  
Stroke distance
v rad  / H 0
(102 ± 8)  ·  10 6  ly
(31.2 ± 2.3)  Mpc 
history
discovery Royal Harwood Frost
Discovery date May 4, 1904
Catalog names
IC  4303 • PGC  48104 • ESO  444-083 • MCG  -05-32-051 • 2MASX  J13371823-2839285 •

IC 4303 is a spiral galaxy of Hubble type Sb in the constellation Hydra south of the celestial equator . It is estimated to be 102 million light years away from the Milky Way and has a diameter of about 35,000 ly.
In the same area of ​​the sky there are u. a. the galaxies IC 4290 , IC 4294 , IC 4295 , IC 4316 .

The object was discovered by Royal Harwood Frost on May 4, 1904 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e SEDS : IC 4303
  3. Seligman