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WASP-60
Star in the constellation Pegasus From Wikipedia, the free encyclopedia
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WASP-60, also named Morava, is a F-type main-sequence star about 1,400 light-years away in the constellation Pegasus. The star's age is much younger than the Sun's at 1.7±0.5 billion years. WASP-60 is enriched in heavy elements, having 180% of the solar abundance of iron. The star does not have noticeable starspot activity, an unexpected observation for a relatively young star.[4] The age of WASP-60 determined by different methods is highly discrepant though, and it may actually be an old star which experienced an episode of spin-up in the past.[6]
A multiplicity survey in 2015 did not detect any stellar companions to WASP-60.[7]
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Nomenclature
The designation WASP-60 comes from the Wide Angle Search for Planets.
This was one of the systems selected to be named in the 2019 NameExoWorlds campaign during the 100th anniversary of the IAU, which assigned each country a star and planet to be named. This system was assigned to Serbia. The approved names were Morava for the star and Vlasina for the planet, after the Morava and Vlasina rivers in Serbia.[8]
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Planetary system
In 2012 a transiting hot Jupiter planet, WASP-60b, was detected on a tight, circular orbit.[3] The planet was named Vlasina by Serbian astronomers in December 2019, after the Vlasina River, a tributary of the Morava.[9] Its equilibrium temperature is 1479±35 K.[4]
Measurement of the Rossiter–McLaughlin effect in 2018 revealed WASP-60b is on a retrograde orbit relative to the equatorial plane of the star, orbital obliquity equal to 129±17°.[4]
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References
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