NGC 4081

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Galaxy
NGC 4081
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NGC 4081 [1]
NGC 4081
AladinLite
Constellation Big Bear
Position
equinox :  J2000.0 , epoch : J2000.0
Right ascension 12 h 04 m 33.91 s
declination + 64 ° 26 ′ 12.3 ″
Appearance
Morphological type Sa?  
Brightness  (visual) 12.9 mag
Brightness  (B-band) 13.8 mag
Angular expansion 1.5 '× 0.6'
Position angle 135 °
Surface brightness 12.6 mag / arcmin²
Physical data
Affiliation NGC 4125 group
LGG 274  
Redshift 0.004817 ± 0.000047  
Radial velocity 1444 ± 14 km / s  
Stroke distance
v rad  / H 0 		(69 ± 5)  ·  10 6  ly
(21.3 ± 1.5)  Mpc 
history
discovery Lewis Swift
Discovery date June 18, 1884
Catalog names
NGC  4081 • NGC 4125A  • UGC  7062 • PGC  38212 • CGCG  315-010 • MCG  + 11-15-015 • IRAS  12020 + 6442 • 2MASX  J12043393 + 6426124 • 2MASS J12043389 + 6426122 • LDCE 867 NED067 • NVSS J120434 + 642610 • NVSS J120434 + 642610 J120433.80 + 642612.4

NGC 4081 is a spiral galaxy of Hubble type Sa in the constellation Ursa Major at the northern sky . It is an estimated 68 million light years from the Milky Way and about 30,000 light years in diameter. Together with three other galaxies, it is considered a member of the NGC 4125 group ( LGG 274 ).

The object was discovered by Lewis Swift on June 18, 1884 .

Web links

Commons : NGC 4081  - collection of images, videos, and audio files

Individual evidence

  1. ^ Aladin Lite
  2. ↑ a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. ↑ a b c d e f SEDS : NGC 4081
  4. ^ VizieR
  5. ↑ Seligman