NGC 417

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Galaxy
NGC 417
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NGC 0417 DSS.jpg
AladinLite
Constellation whale
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 01 h 11 m 05.5 s
declination -18 ° 08 ′ 54 ″
Appearance
Morphological type SAB0-: / LINER  
Brightness  (visual) 14.3 mag
Brightness  (B-band) 15.3 mag
Angular expansion 0.6 ′ × 0.5 ′
Position angle 55 °
Surface brightness 13.1 mag / arcmin²
Physical data
Redshift 0.042223 ± 0.000150  
Radial velocity 12,658 ± 45 km / s  
Stroke distance
v rad  / H 0
(566 ± 40)  ·  10 6  Lj
(173.6 ± 12.2)  Mpc 
history
discovery Francis P. Leavenworth
Discovery date 1886
Catalog names
NGC  417 • PGC  4237 • ESO  541-024 • MCG  -03-04-019 • 2MASX  J01110557-1808534 • SGC  010839-1824.9 • GALEX ASC J011105.71-180854.9

NGC 417 is an elliptical galaxy of the Hubble type E / SB0 with an active galaxy core in the constellation Whale south of the ecliptic . It is an estimated 566 million light years away from the Milky Way and about 100,000 light years in diameter.

The object was discovered in 1886 by the American astronomer Francis Preserved Leavenworth .

Web links

Commons : NGC 417  - collection of images, videos, and audio files

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 417
  3. Seligman