What is the SPT0615-JD galaxy?

What is the SPT0615-JD galaxy?
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The SBT0615-JD galaxy is a dwarf galaxy 13,300 million light-years (redshift of 10) from Earth in the Pictor constellation, and is 2500 light-years (40 times smaller than the Milky Way), and contains 3 billion stars (3 percent of the Milky Way's stars). It emitted its light 13,300 million years ago when the universe was 500 million years old.
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