IC 81
| Galaxy IC 81 |
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|---|---|
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| SDSS recording | |
| AladinLite | |
| Constellation | whale |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 01 h 09 m 22.2 s |
| declination | -01 ° 41 ′ 45 ″ |
| Appearance | |
| Morphological type | Sbc |
| Brightness (visual) | 13.9 likes |
| Brightness (B-band) | 14.7 mag |
| Angular expansion | 1 ′ × 0.9 ′ |
| Position angle | 126 ° |
| Surface brightness | 13.6 mag / arcmin² |
| Physical data | |
| Redshift | 0.013182 +/- 0.000077 |
| Radial velocity | 3952 +/- 23 km / s |
|
Stroke distance v rad / H 0 |
(179 ± 13) x 10 6 ly (55.0 ± 3.9) Mpc |
| history | |
| discovery | Lewis Swift |
| Discovery date | October 18, 1887 |
| Catalog names | |
| IC 81 • PGC 4127 • CGCG 385-010 • MCG + 00-04-015 • 2MASX J01092224-0141453 • GALEX ASC J010922.47-014145.4 | |
IC 81 is a spiral galaxy with extensive star formation regions of the Hubble type Sbc in the constellation Whale in the southern sky . It is estimated to be 179 million light years from the Milky Way and about 50,000 light years in diameter.
The object was discovered by Lewis Swift on October 18, 1887 .
Web links
Individual evidence
Attention: The sorting key “IC 0081” overwrites the previously used key “IC0081”.