NGC 3072
| Galaxy NGC 3072 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Water snake |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 09 h 57 m 23.9 s |
| declination | -19 ° 21 ′ 18 ″ |
| Appearance | |
| Morphological type | S0 / a? sp |
| Brightness (visual) | 12.8 mag |
| Brightness (B-band) | 13.7 mag |
| Angular expansion | 1.9 ′ × 0.6 ′ |
| Position angle | 71 ° |
| Surface brightness | 12.8 mag / arcmin² |
| Physical data | |
| Affiliation | HCG 42 |
| Redshift | 0.011445 ± 0.000080 |
| Radial velocity | (3431 ± 24) km / s |
|
Stroke distance v rad / H 0 |
(144 ± 10) · 10 6 ly (44.3 ± 3.1) Mpc |
| history | |
| discovery | William Herschel |
| Discovery date | February 7, 1785 |
| Catalog names | |
| NGC 3072 • PGC 28749 • ESO 566-033 • MCG -03-26-001 • 2MASX J09572388-1921180 • SGC 095502-1907.0 • GC 3206 • H III 273 • h 1976 • GALEX ASC J095723.88-192117.5 • LDCE 689 NED007 | |
NGC 3072 is a lenticular galaxy of the Hubble type S0 in the constellation Hydra south of the ecliptic . It is estimated to be 144 million light years from the Milky Way and about 85,000 light years in diameter. The galaxy is a member of the Hickson Compact Group HCG 42 . In the same area of the sky are u. a. the galaxies NGC 3085 , NGC 3091 , NGC 3096 .
The Type Ic supernova SN 2007aw was observed here.
The object was discovered by Wilhelm Herschel on February 7, 1785 .