NGC 2681

from Wikipedia, the free encyclopedia
Galaxy
NGC 2681
{{{Card text}}}
SDSS recording
SDSS recording
AladinLite
Constellation Big Bear
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 08 h 53 m 32.7 s
declination + 51 ° 18 ′ 49 ″
Appearance
Morphological type (R ') SAB (rs) 0 / a / Sy3 / LINER  
Brightness  (visual) 10.2 mag
Brightness  (B-band) 11.1 mag
Angular expansion 3.6 ′ × 3.3 ′
Position angle 36 °
Surface brightness 12.7 mag / arcmin²
Physical data
Affiliation NGC 2681 group  
Redshift 0.002308 +/- 0.000037  
Radial velocity 692 ± 11 km / s  
Stroke distance
v rad  / H 0
(33 ± 2)  x  10 6  ly
(9.98 ± 0.72)  Mpc 
history
discovery William Herschel
Discovery date March 17, 1790
Catalog names
NGC  2681 • UGC  4645 • PGC  24961 • CGCG  264-026 • MCG  + 09-15-041 • IRAS  08500 + 5130 • KUG  0849 + 515 • 2MASX  J08533273 + 5118493 • GC  1711 • H  I 242 • h  530 • GALEX ASC J085332 .81 + 511850.4

NGC 2681 is a lenticular galaxy with an active galaxy core of the Hubble type SB0 / a in the constellation Great Bear in the northern sky . It is estimated to be 33 million light years away from the Milky Way and has a diameter of about 35,000 ly.
In the same area of ​​the sky are the galaxies NGC 2807 , NGC 2809 , NGC 2812 , IC 2457 .

The object was discovered on March 17, 1790 by the astronomer William Herschel with a 48 cm telescope.

Web links

Commons : NGC 2681  - 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 2681
  3. Seligman