The nucleus of the planetary nebula Sp 3 is a 4.81 day binary with a likely physically associated visual companion, and the nebula shows an extreme oxygen abundance discrepancy factor of 24.6.
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Two's company, three's a crowd: SALT reveals the likely triple nature of the nucleus of the extreme abundance discrepancy factor planetary nebula Sp 3
The nucleus of the planetary nebula Sp 3 is a 4.81 day binary with a likely physically associated visual companion, and the nebula shows an extreme oxygen abundance discrepancy factor of 24.6.