NGC 3955

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Galaxy
NGC 3955
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NGC 3955 PanS.jpg
AladinLite
Constellation cups
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 53 m 57.1 s
declination -23 ° 09 ′ 51 ″
Appearance
Morphological type S0 / a pec  
Brightness  (visual) 11.7 mag
Brightness  (B-band) 12.6 mag
Angular expansion 3.1 ′ × 1 ′
Position angle 165 °
Surface brightness 12.8 mag / arcmin²
Physical data
Redshift 0.004973 ± 0.000030  
Radial velocity (1491 ± 9) km / s  
Stroke distance
v rad  / H 0
(68 ± 5)  ·  10 6  ly
(20.8 ± 1.6)  Mpc 
history
discovery Wilhelm Herschel
Discovery date December 21, 1786
Catalog names
NGC  3955 • PGC  37320 • ESO  504-026 • MCG  -04-28-005 • IRAS  11514-2253 • GC  2609 • H  II 623 •

NGC 3955 is a lenticular galaxy of the Hubble type S0-a in the constellation Becher south of the ecliptic . It is estimated to be 68 million light years from the Milky Way .

The object was discovered by Wilhelm Herschel on December 21, 1786 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 3955
  3. Seligman