NGC 4250

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Galaxy
NGC 4250
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NGC 4250 PanS.jpg
AladinLite
Constellation Dragon
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 12 h 17 m 26.27 s
declination + 70 ° 48 ′ 09.3 ″
Appearance
Morphological type SAB (r) 0+  
Brightness  (visual) 11.9 likes
Brightness  (B-band) 12.8 mag
Angular expansion 2.7 '× 2.1'
Position angle 168 °
Surface brightness 13.6 mag / arcmin²
Physical data
Redshift 0.006735 ± 0.000020  
Radial velocity (2019 ± 6) km / s  
Stroke distance
v rad  / H 0
(96 ± 7)  ·  10 6  ly
(29.4 ± 2.1)  Mpc 
history
discovery Wilhelm Herschel
Discovery date April 7, 1793
Catalog names
NGC  4250 • UGC  7329 • PGC  39414 • CGCG  335-009 • MCG  + 12-12-005 • 2MASX  J12172630 + 7048094 • GC  2835 • H  I 264 • h  1170 • GALEX ASC J121726.22 + 704810.1 • NVSS J121725 + 704808 • WISEA J121726.24 + 704808.9

NGC 4250 is a lenticular galaxy of the Hubble type SB0 / a in the constellation Dragon in the northern sky . It is estimated to be 96 million light-years from the Milky Way and about 75,000 light-years across.

The object was discovered by Wilhelm Herschel on April 7, 1793 .

Web links

Individual evidence

  1. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 4250
  3. Seligman