NGC 1540
| Galaxy NGC 1540 |
|
|---|---|
|
|
| AladinLite | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 15 m 10.4 s |
| declination | -28 ° 29 ′ 03 ″ |
| Appearance | |
| Morphological type | Sa? Pec + Im? Pec |
| Brightness (visual) | 13.9 mag A: 13.7 mag |
| Brightness (B-band) | 14.8 mag A: 14.5 mag |
| Angular expansion | 1.1 / 0.7 A: 0.8 / 0.5 |
| Position angle | 144 ° A: 72 ° |
| Surface brightness | 13.5 mag / arcmin² A: 12.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.018293 ± 0.000090 |
| Radial velocity | (5484 ± 27) km / s |
|
Stroke distance v rad / H 0 |
(239 ± 17) · 10 6 ly (73.4 ± 5.1) Mpc |
| history | |
| discovery | John Herschel |
| Discovery date | November 6, 1834 |
| Catalog names | |
| NGC 1540 • PGC 14733/14734 • ESO 420-IG 014 • IRAS 04131-2836 • | |
NGC 1540 is an interacting pair of galaxies in the constellation Eridanus in the southern sky . It is an estimated 239 million light years from the Milky Way .
The object was discovered by John Herschel on November 6, 1834 .