IC 4635

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Galaxy
IC 4635
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AladinLite
Constellation Bird of paradise
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 17 h 15 m 39.19 s
declination -77 ° 29 ′ 22.3 ″
Appearance
Morphological type SAB (s) b:  
Brightness  (visual) 14.0 mag
Brightness  (B-band) 14.8 mag
Angular expansion 3.00 'x 0.7'
Position angle 165 °
Surface brightness 14.7 mag / arcmin²
Physical data
Redshift 0.009833 ± 0.000033  
Radial velocity 2948 ± 10 km / s  
Stroke distance
v rad  / H 0
(125 ± 9)  ·  10 6  ly
(38.3 ± 2.7)  Mpc 
history
discovery DeLisle Stewart
Discovery date 17th August 1900
Catalog names
IC  4635 • PGC  59959 • ESO  044-005 • IRAS  17080-7725 • 2MASX  J17153915-7729220 • SGC  170812-7725.9 • 2MASS J17153921-7729225 • WISEA J171539.20-772922.8 • LDCE 1237 NED003 • KTS 54B

IC 4635 is a bar-spiral galaxy of the Hubble type SBb in the constellation Bird of Paradise in the southern sky . It is estimated to be 125 million light-years from the Milky Way and about 115,000 light-years across. Together with IC 4633 and PGC 60085 , it forms the isolated, gravitationally bound galaxy trio KTS 54 .

The object was discovered by DeLisle Stewart on August 17, 1900 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : IC 4635
  3. Seligman