Collections
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SIMBAD Stars by Shigeru (10 subjects)
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YSO by Shigeru (10 subjects)
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known #YSO and #YSOc by mboschmd (10 subjects)
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#KnownDisks/DebrisDisks and Candidates. by mboschmd (10 subjects)
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Marton YSOc Candidates by mboschmd (10 subjects)
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Hα emission-line stars by miltonbosch (10 subjects)
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Young Stellar Objects by TED91 (10 subjects)
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S2 Stars with unknown spectral class. by artman40 (10 subjects)