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physical object > natural object > celestial body > star > emission line star > supernova > type I supernova > Tycho's star |
Tycho's star comparison table |
Subject | is an instance of | is a kind of | has definition |
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type I supernova | supernova | A supernova which may be produced by the thermonuclear detonation of a highly degenerate core produced by mass transfer from a companion star. | |
Tycho's star | type I supernova | Remnant of a Type I supernova (B Cas), 3-5 kpc distant, which Tycho observed and described in 1572. At its peak it was as bright as Venus and was visible in the daytime, reaching a magnitude of about -4. It is an X-ray source (2U 0022+63). (3C 10) |
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