IC 1387
| Galaxy IC 1387 |
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|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | Aquarius |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 21 h 29 m 34.5 s |
| declination | -01 ° 21 ′ 03 ″ |
| Appearance | |
| Morphological type | E / HII |
| Brightness (visual) | 14.5 mag |
| Brightness (B-band) | 15.5 mag |
| Angular expansion | 0.40 'x 0.3' |
| Position angle | 6 ° |
| Surface brightness | 12.3 mag / arcmin² |
| Physical data | |
| Redshift | 0.018660 ± 0.000127 |
| Radial velocity | 5594 ± 38 km / s |
|
Stroke distance v rad / H 0 |
(257 ± 18) · 10 6 ly (78.7 ± 5.5) Mpc |
| history | |
| discovery | Stéphane Javelle |
| Discovery date | November 6, 1891 |
| Catalog names | |
| IC 1387 • CGCG 375-045 • MCG + 00-54-026 • IRAS F21270-0134 • 2MASX J21293449-0121032 • GALEX ASC J212934.49-012102.2 • NVSS J212934-012116 | |
IC 1387 is an elliptical galaxy with extensive star formation regions of the Hubble type E in the constellation Aquarius on the ecliptic . It is estimated to be 257 million light years from the Milky Way and about 30,000 light years across.
In the same area of the sky are u. a. the galaxies NGC 7069 , IC 1381 , IC 1384 , IC 1385 .
The object was discovered by Stéphane Javelle on November 6, 1891 .