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Discovery of a new Y dwarf: WISE J030449.03-270508.3

D J Pinfield,M Gromadzki,S K Leggett,J Gomes,N Lodieu,R Kurtev,A C Dayjones,Maria Teresa Ruiz,Nigel J Cook,Caroline V Morley,Mark S Marley,F Marocco,R L Smart,H R A Jones,P W Lucas,Y Beletsky,V D Ivanov,B Burningham,J S Jenkins,Cassia Regina Primila Cardoso,J Frith,J R A Clarke,M C Galvezortiz,Zhiqun Zhang

Monthly Notices of the Royal Astronomical Society（2014）

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摘要
We present a new Y dwarf, WISE J030449.03−270508.3, confirmed from a candidate sample designed to pick out low-temperature objects from the Wide-field Infrared Survey Explorer (WISE) data base. The new object is typed Y0pec following a visual comparison with spectral standards, and lies at a likely distance of 10–17 pc. Its tangential velocity suggests thin disc membership, but it shows some spect...
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关键词
surveys,brown dwarfs,stars: low-mass
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