IC 990
| Galaxy IC 990 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | Bear keeper |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 14 h 15 m 49.2 s |
| declination | + 39 ° 47 ′ 52 ″ |
| Appearance | |
| Morphological type | E0 |
| Brightness (visual) | 14.7 mag |
| Brightness (B-band) | 15.7 mag |
| Angular expansion | 0.6 ′ × 0.4 ′ |
| Position angle | 51 ° |
| Surface brightness | 13.0 mag / arcmin² |
| Physical data | |
| Redshift | 0.025621 ± 0.000147 |
| Radial velocity | 7681 ± 44 km / s |
|
Stroke distance v rad / H 0 |
(347 ± 24) x 10 6 ly (106.4 ± 7.5) Mpc |
| history | |
| discovery | Guillaume Bigourdan |
| Discovery date | May 31, 1886 |
| Catalog names | |
| IC 990 • PGC 50958 • CGCG 219-063 • MCG + 07-29-056 • 2MASX J14154924 + 3947523 • GALEX ASC J141549.31 + 394753.8 | |
IC 990 is a lenticular galaxy of the Hubble type S0 in the constellation Bear Guardian in the northern sky . It is estimated to be 347 million light years away from the Milky Way and has a diameter of about 60,000 ly.
In the same area of the sky are the galaxies NGC 5515 , NGC 5536 and NGC 5541 .
The object was discovered by Guillaume Bigourdan on May 31, 1886 .
Web links
Individual evidence
Attention: The sorting key “IC 0990” overwrites the previously used key “IC0990”.