NGC 3142
Galaxy NGC 3142 |
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NGC 3142 | |
AladinLite | |
Constellation | sextant |
Position equinox : J2000.0 , epoch : J2000.0 |
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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 .