IC 3473

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Galaxy
IC 3473
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IC3473 - SDSS DR14.jpg
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 32 m 19.1 s
declination + 18 ° 14 ′ 39 ″
Appearance
Morphological type Sd:  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.0 mag
Angular expansion 1.2 ′ × 0.8 ′
Position angle 35 °
Surface brightness 14.1 mag / arcmin²
Physical data
Affiliation Messier 49 group
NGC 4343 group
NGC 4636 group
LGG 292  
Redshift 0.002729 ± 0.000023  
Radial velocity 818 ± 7 km / s  
Stroke distance
v rad  / H 0
(35 ± 3)  x  10 6  ly
(10.8 ± 0.8)  Mpc 
history
discovery Royal Harwood Frost
Discovery date May 7, 1904
Catalog names
IC  3473 • UGC  7684 • PGC  41558 • CGCG  099-081 • MCG  + 03-32-062 • KUG  1229 + 185 • USGC U490 NED143 • EVCC 829

IC 3473 is a spiral dwarf galaxy of the Hubble type Scd in the constellation Coma Berenices in the northern sky . It is estimated to be 35 million light years from the Milky Way and about 10,000 light years across.
The galaxies NGC 4539 , IC 3434 , IC 3484 , IC 3530 are located in the same area of ​​the sky .

The object was discovered by Royal Harwood Frost on May 7, 1904 .

Web links

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 3473
  3. ^ VizieR
  4. Seligman