IC 443
Supernova remnant in the constellation Gemini / From Wikipedia, the free encyclopedia
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"Jellyfish Nebula" redirects here. Not to be confused with jellyfish galaxy.
IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane of the sky, it is located near the star Eta Geminorum. Its distance is roughly 5,000 light years from Earth.
Quick Facts Event type, Constellation ...
Event type | Supernova remnant |
---|---|
SN II (?) | |
Constellation | Gemini |
Right ascension | 06h 17m 13s |
Declination | +22° 31′ 05′′ |
Epoch | J2000 |
Galactic coordinates | G189.1+3.0 |
Distance | 5000 light-years, or 1.5 kpc |
Remnant | Mixed Morphology |
Host | Milky Way |
Notable features | Interaction with molecular clouds |
Other designations | IC 443, PGC 2817561, SNR G189.0+03.0, SNR G189.1+03.0, SNR G189.1-03.0, 1ES 0613+22.7, 1ES 0614+22.7, 2C 537, 3C 157, 4C 22.15, LBN 844, LBN 189.13+02.97, SH 2-248, LEDA 2817561, 3FHL J0617.2+2234e, 2EG J0618+2234, 2U 0601+21, 3A 0614+224, 3CR 157, 3EG J0617+2238, 3U 0620+23, 4U 0617+23, ASB 26, CTB 20, INTREF 295, PKS 0615+226, VRO 22.06.01, WKB 0614+22.7, [DGW65] 34, 2FGL J0617.2+2234e, 3FGL J0617.2+2234e, 2FHL J0617.2+2234e |
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IC 443 may be the remains of a supernova that occurred 30,000 - 35,000 years ago. The same supernova event likely created the neutron star CXOU J061705.3+222127, the collapsed remnant of the stellar core. IC 443 is one of the best-studied cases of supernova remnants interacting with surrounding molecular clouds.