IC 4617

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Galaxy
IC 4617
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IC 4617 [1]
IC 4617
AladinLite
Constellation Hercules
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 16 h 42 m 08.060 s
declination + 36 ° 41 ′ 02.70 ″
Appearance
Morphological type Sbc / Sy2  
Brightness  (visual) 15.2 mag
Brightness  (B-band) 16.0 mag
Angular expansion 1.20 × 0.4
Position angle 32 °
Surface brightness 14.3 mag / arcmin²
Physical data
Affiliation Abell 2199  
Redshift 0.036502 ± 0.000053  
Radial velocity 10,943 ± 16 km / s  
Stroke distance
v rad  / H 0 		(496 ± 35)  ·  10 6  ly
(152.1 ± 10.6)  Mpc 
history
discovery Edward E. Barnard
Catalog names
IC  4617 • PGC  2085077 • 2MASX  J16420807 + 3641025 • 2MASS J16420808 + 3641026 • WISEA J164208.08 + 364102.8 • NSA 46415

IC 4617 is a spiral galaxy with an active nucleus of the Hubble type Sbc in the constellation Hercules. It is estimated to be 496 million light years from the Milky Way and about 175,000 light years across.
In the same area of ​​the sky are u. a. the objects NGC 6199 , NGC 6205 , NGC 6207 .

The object was discovered by Edward Emerson Barnard .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : IC 4617
  4. ↑ Seligman