NGC 2854

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Galaxy
NGC 2854
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SDSS recording
SDSS recording
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 09 h 24 m 03.1 s
declination + 49 ° 12 ′ 15 ″
Appearance
Morphological type SB (s) b  
Brightness  (visual) 13.0 likes
Brightness  (B-band) 13.8 mag
Angular expansion 1.6 ′ × 0.6 ′
Position angle 50 °
Surface brightness 12.8 mag / arcmin²
Physical data
Affiliation WBL 221-001  
Redshift 0.009243 ± 0.000037  
Radial velocity (2771 ± 11) km / s  
Stroke distance
v rad  / H 0
(125 ± 9)  ·  10 6  ly
(38.4 ± 2.7)  Mpc 
history
discovery William Herschel
Discovery date March 9, 1788
Catalog names
NGC  2854 • UGC  4995 • PGC  26631 • CGCG  238-046 • MCG  + 08-17-092 • IRAS  09206 + 4925 • KUG  0920 + 494A • 2MASX  J09240315 + 4912156 • Arp  285 • GC  1833 • H  III 714 • h  589 • GALEX ASC J092403.06 + 491214.2 • LDCE 0641 NED001

NGC 2854 is a barred spiral galaxy of the Hubble type SBb in the constellation Great Bear in the northern sky . It is estimated to be 125 million light years away from the Milky Way and has a diameter of around 60,000 ly. Together with NGC 2856 , it forms the bound galaxy pair Arp 285 . Halton Arp organized his catalog of unusual galaxies into groups according to purely morphological criteria. This galaxy pair belongs to the class double galaxies with inflow and attraction .

In the same area of ​​the sky there is still u. a. the galaxy NGC 2857 .

The object was discovered by Wilhelm Herschel on March 9, 1788 .

Web links

Commons : NGC 2854  - collection of images, videos, and audio files

Individual evidence

  1. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b c d e f SEDS : NGC 2854
  3. Seligman