NGC 3402
| Galaxy NGC 3402 / NGC 3411 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 50 m 26.5 s |
| declination | -12 ° 50 ′ 41 ″ |
| Appearance | |
| Morphological type | E + |
| Brightness (visual) | 11.9 likes |
| Brightness (B-band) | 12.9 mag |
| Angular expansion | 2.1 ′ × 2.1 ′ |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Redshift | 0.015274 ± 0.000120 |
| Radial velocity | (4579 ± 36) km / s |
|
Stroke distance v rad / H 0 |
(197 ± 14) · 10 6 ly (60.4 ± 4.3) Mpc |
| history | |
| discovery | Andrew A. Common |
| Discovery date | 1880 |
| Catalog names | |
| NGC 3402 • 3411 • PGC 32479 • 4694473 • MCG -02-28-012 • 2MASX J10502610-1250422 • GC 2228 • H III 522 • h 776 • GALEX J105026.1-125041 • LDCE 756 NED003 | |
NGC 3402 = NGC 3411 is a cD galaxy of the Hubble type E0 in the constellation Hydra south of the ecliptic . It is estimated to be 197 million light years from the Milky Way and about 125,000 light years across.
The galaxies NGC 3421 , NGC 3422 , IC 647 , IC 650 are in the same area of the sky .
The object was discovered by William Herschel on March 25, 1786 ( NGC 3411 ) and rediscovered by Andrew Ainslie Common in 1880 ( NGC 3402 ).