IC 4539

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Galaxy
IC 4539
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with LEDA 1995214 (l), LEDA 1996072 (o) & LEDA 1993337 (ru)
with LEDA 1995214 (l), LEDA 1996072 (o) & LEDA 1993337 (ru)
AladinLite
Constellation Northern crown
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 15 h 18 m 31.1 s
declination + 32 ° 23 ′ 34 ″
Appearance
Morphological type Sbc  
Brightness  (visual) 15.5 mag
Brightness  (B-band) 16.1 mag
Angular expansion 0.4 ′ × 0.4 ′
Surface brightness 13.4 mag / arcmin²
Physical data
Redshift 0.061307 ± 0.000155  
Radial velocity 18,379 ± 46 km / s  
Stroke distance
v rad  / H 0
(826 ± 58)  ·  10 6  Lj
(253.2 ± 17.7)  Mpc 
history
discovery Stéphane Javelle
Discovery date June 23, 1903
Catalog names
IC  4539 • PGC  54642 • MCG  + 06-34-003 • IRAS  F15165 + 3234 • 2MASX  J15183111 + 3223345 • GALEX ASC J151831.20 + 322335.4

IC 4539 is a spiral galaxy of the Hubble type Sbc in the constellation Corona Borealis in the northern sky . It is estimated to be 826 million light years from the Milky Way and about 95,000 ly in diameter.

The object was discovered by Stéphane Javelle on June 23, 1903 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d SEDS : IC 4539
  3. Seligman