NGC 4022
Galaxy NGC 4022 |
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NGC 4022 SDSS image | |
AladinLite | |
Constellation | Berenike's hair |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .