IC 390
| Galaxy IC 390 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Eridanus |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 04 h 42 m 03.9 s |
| declination | -07 ° 12 ′ 23 ″ |
| Appearance | |
| Morphological type | SB (s) 0+? / sp |
| Brightness (visual) | 14.3 mag |
| Brightness (B-band) | 15.2 mag |
| Angular expansion | 1.10 × 0.4 |
| Position angle | 42 ° |
| Surface brightness | 13.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.015808 +/- 0.000107 |
| Radial velocity | 4739 +/- 32 km / s |
|
Stroke distance v rad / H 0 |
(208 ± 15) · 10 6 ly (63.7 ± 4.5) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | January 28, 1892 |
| Catalog names | |
| IC 390 • PGC 15844 • MCG -01-12-046 • 2MASX J04420390-0712230 • GALEX ASC J044203.94-071223.0 • LDCE 0330 NED015 | |
IC 390 is a lenticular galaxy of the Hubble type S0 / a in the constellation Eridanus in the southern sky . It is around 208 million light years away from the Milky Way and has a diameter of around 65,000 light years .
In the same area of the sky are u. a. the galaxies IC 385 , IC 387 , IC 388 , IC 389 .
The Type Ia supernova SN 2004B was observed here.
The object was discovered on January 28, 1892 by the astronomer Stéphane Javelle .