2MASS 1503+2525
2MASS J15031961+2525196 ( 2MASS 1503+2525 ) is a nearby brown dwarf of spectral type T5 . 5 , located in constellation Boötes at approximately 20 . 7 light-years from Earth . 
<triplet> 2MASS 1503+2525 <subj> brown dwarf <obj> instance of <subj> Boötes <obj> constellation