IC 998
Galaxy IC 998 |
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AladinLite | |
Constellation | Virgin |
Position equinox : J2000.0 , epoch : J2000.0 |
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Right ascension | 14 h 20 m 19.3 s |
declination | -04 ° 24 ′ 59 ″ |
Appearance | |
Morphological type | Sa? |
Brightness (visual) | 14.5 mag |
Brightness (B-band) | 15.5 mag |
Angular expansion | 1.10 x 0.2 |
Position angle | 60 ° |
Surface brightness | 12.7 mag / arcmin² |
Physical data | |
Redshift | 0.022973 ± 0.000067 |
Radial velocity | 6887 ± 20 km / s |
Stroke distance v rad / H 0 |
(306 ± 22) · 10 6 ly (93.8 ± 6.6) Mpc |
history | |
discovery | Lewis Swift |
Discovery date | May 16, 1892 |
Catalog names | |
IC 998 • PGC 1058483 • 2MASX J14201929-0424594 • |
IC 998 is a spiral galaxy ? of the Hubble type Sa? in the constellation Virgo in the north star sky . It is around 306 million light years from the Milky Way . The interacting galaxy IC 997 is located in the same area of the sky .
The object was discovered on May 16, 1892 by Lewis Swift .
Individual evidence
Attention: The sorting key “IC 0998” overwrites the previously used key “IC0998”.