NGC 3240
| Galaxy NGC 3240 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 10 h 24 m 30.6 s |
| declination | -21 ° 47 ′ 28 ″ |
| Appearance | |
| Morphological type | SAB (rs) b / HII |
| Brightness (visual) | 13.2 mag |
| Brightness (B-band) | 13.9 likes |
| Angular expansion | 1.1 ′ × 1 ′ |
| Position angle | 78 ° |
| Surface brightness | 13.2 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 195 |
| Redshift | 0.011842 ± 0.000013 |
| Radial velocity | 3550 ± 4 km / s |
|
Stroke distance v rad / H 0 |
(150 ± 10) x 10 6 ly (45.9 ± 3.2) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | March 20, 1835 |
| Catalog names | |
| NGC 3240 • PGC 30515 • ESO 568-003 • MCG -04-25-007 • IRAS 10221-2132 • 2MASX J10243063-2147275 • SGC 102208-2132.2 • HIPASS J1024-21 • LDCE 0729 NED065 | |
NGC 3240 is a spiral galaxy with extensive star formation regions of the Hubble type Sc / a in the constellation Hydra south of the ecliptic . It is estimated to be 150 million light years away from the Milky Way and about 50,000 light years in diameter.
In the same area of the sky is u. a. the galaxy NGC 3233 .
The Type Ic supernova SN 2001M was observed here.
The object was discovered by John Herschel on March 20, 1835 .