IC 1820
Galaxy IC 1820 |
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IC 1820 | |
AladinLite | |
Constellation | whale |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 02 h 35 m 52.67 s |
declination | + 06 ° 02 ′ 26.2 ″ |
Appearance | |
Morphological type | S. |
Brightness (visual) | 14.3 mag |
Brightness (B-band) | 15.1 mag |
Angular expansion | 0.50 'x 0.2' |
Position angle | 70 ° |
Surface brightness | 11.7 mag / arcmin² |
Physical data | |
Redshift | 0.030981 ± 0.000117 |
Radial velocity | 9288 ± 35 km / s |
Stroke distance v rad / H 0 |
(417 ± 29) x 10 6 ly (127.7 ± 8.9) Mpc |
history | |
discovery | Stéphane Javelle |
Discovery date | December 21, 1903 |
Catalog names | |
IC 1820 • PGC 9866 • CGCG 414-024 • 2MASX J02355267 + 0602263 • GALEX ASC J023552.67 + 060225.0 • NSA 132292 |
IC 1820 is a spiral galaxy of Hubble type S in the constellation Cetus south of the ecliptic . It is an estimated 417 million light years from the Milky Way and about 60,000 light years in diameter.
The object was discovered by Stéphane Javelle on December 21, 1903 .