NGC 3142

from Wikipedia, the free encyclopedia
Galaxy
NGC 3142
{{{Card text}}}
NGC 3142 [1]
NGC 3142
AladinLite
Constellation sextant
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 10 h 10 m 06.37 s
declination -08 ° 28 ′ 47.1 ″
Appearance
Morphological type SAB0o  
Brightness  (visual) 13.8 mag
Brightness  (B-band) 14.8 mag
Angular expansion 1.0 ′ × 0.9 ′
Position angle 3 °
Surface brightness 13.6 mag / arcmin²
Physical data
Affiliation isolated  
Redshift 0.018029 ± 0.000103  
Radial velocity 5405 ± 31 km / s  
Stroke distance
v rad  / H 0
(234 ± 16)  x  10 6  ly
(71.7 ± 5.0)  Mpc 
history
discovery John Herschel
Discovery date May 5, 1836
Catalog names
NGC  3142 • PGC  29586 • MCG  -01-26-028 • 2MASX  J10100562-0828389 • 2MASS J10100632-0828466 • WISEA J101006.33-082846.6 • 2MIG 1398

NGC 3142 is a barred spiral galaxy of the Hubble type S0 in the constellation Sextant in the southern sky . It is an estimated 234 million light years away from the Milky Way and about 70,000 light years in diameter.

The object was discovered by John Herschel on May 5, 1836 .

Web links

Individual evidence

  1. ^ Aladin Lite
  2. a b c d e NASA / IPAC EXTRAGALACTIC DATABASE
  3. a b c d e f SEDS : NGC 3142
  4. Seligman