NGC 3408

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Galaxy
NGC 3408
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SDSS image from NGC 3408 [1]
SDSS image from NGC 3408
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 52 m 11.677 s
declination + 58 ° 26 ′ 17.26 ″
Appearance
Morphological type Sc:  
Brightness  (visual) 13.5 likes
Brightness  (B-band) 14.2 mag
Angular expansion 0.8 ′ × 0.7 ′
Position angle 127 °
Surface brightness 12.7 mag / arcmin²
Physical data
Redshift 0.031713 ± 0.000095  
Radial velocity (9507 ± 28) km / s  
Stroke distance
v rad  / H 0
(428 ± 30)  ·  10 6  Lj
(131.3 ± 9.2)  Mpc 
history
discovery William Herschel
Discovery date April 8, 1793
Catalog names
NGC  3408 • UGC  5977 • PGC  32616 • CGCG  291-006 • MCG  + 10-16-016 • IRAS  10490 + 5842 • 2MASX  J10521167 + 5826168 • GC  2224 • H  III 913 • h  770 • GALEX ASC J105211.71 + 582615.5 • NVSS J105211 + 582618

NGC 3408 is a spiral radio galaxy of the Hubble-type Sc in the constellation Great Bear in the northern sky . It is an estimated 428 million light years from the Milky Way and about 100,000 light years in diameter.

The object was discovered by Wilhelm Herschel on April 8, 1793 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 3408
  4. Seligman