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TY Pyxidis
Star in the constellation Pyxis From Wikipedia, the free encyclopedia
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TY Pyxidis is an eclipsing binary star in the constellation Pyxis. The apparent magnitude ranges from 6.85 to 7.5 over 3.2 days.[3]
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The two components are both of spectral type G5IV,[4] have a mass of 1.2 solar masses and revolve around each other every 3.2 days.[5] Each star is around 2.2 times the diameter of the Sun.[4]
The system is classified as either a RS Canum Venaticorum variable[3] or a BY Draconis variable, stars that vary on account of prominent starspot activity,[4] and lies 184 ± 5 light years away.[2] The system emits X-rays, and analysing the emission curve over time led Pres and colleagues to conclude that there was a loop of material arcing between the two stars.[6]
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References
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