ALS 8814 is likely a double-lined binary with two luminous stars plus a possible third companion, not a Be star + black hole binary.
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1 Pith paper cite this work. Polarity classification is still indexing.
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abstract
MWC656 has been reported as classical Be star with a black hole companion. Revisited spectral variability properties render this unlikely, with a hot subdwarf more probable.
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Complex spectral variability and hints of a luminous companion in the Be star + black hole binary candidate ALS 8814
ALS 8814 is likely a double-lined binary with two luminous stars plus a possible third companion, not a Be star + black hole binary.