NGC 4022

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Galaxy
NGC 4022
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NGC 4022 [1] SDSS image
NGC 4022 SDSS image
AladinLite
Constellation Berenike's hair
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 11 h 59 m 01.015 s
declination + 25 ° 13 ′ 22.11 ″
Appearance
Morphological type SAB0 ^ 0 ^:  
Brightness  (visual) 13.2 mag
Brightness  (B-band) 14.2 mag
Angular expansion 1.20 ′ × 1.2 ′
Surface brightness 13.5 mag / arcmin²
Physical data
Affiliation WBL 368
NGC 3987 group
LGG 261  
Redshift 0.014477 ± 0.000090  
Radial velocity 4340 ± 27 km / s  
Stroke distance
v rad  / H 0
(193 ± 14)  ·  10 6  ly
(59.1 ± 4.2)  Mpc 
history
discovery Johan Dreyer
Discovery date April 26, 1878
Catalog names
NGC  4022 • UGC  6975 • PGC  37729 • CGCG  127-125 • MCG  + 04-28-111 • 2MASX  J11590100 + 2513216 • GALEX ASC J115900.99 + 251321.7 • LDCE 854 NED008 • WISEA J115901.01 + 251322.0

NGC 4022 is a lenticular galaxy of the Hubble type S0 in the constellation Coma Berenices in the northern sky . It is estimated to be 193 million light years from the Milky Way and about 70,000 light years in diameter. Together with four other galaxies, it is considered a member of the NGC 3987 group ( LGG 261 ).

In the same area of ​​the sky are u. a. the galaxies NGC 4009 , NGC 4015 , NGC 4018 , NGC 4021 .

The object was discovered by Johan Dreyer on April 26, 1878 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e SEDS : NGC 4022
  4. ^ VizieR
  5. Seligman