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LRLL 54361 aka L54361 is thought to be a binary protostar producing strobe-like flashes , located in the constellation Perseus in the star-forming region IC 348 and 950 light-years away .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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