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- W2068761344 abstract "Multi-epoch, high-resolution (R ∼ 50 000) optical spectrosco-py of the O-type (O9 III – IV) star HD 152246 suggests that it is a triple system where a close inner pair (Aa–Ab) with a circular orbit and a period of 6 days is in a 53–d eccentric orbit (e = 0.68) with a third component Ac. The mass ratios for the inner and outer system are 0.10 and 0.96, respectively. The strengths of various He lines classify Aa and Ac as late O-type stars while Ab is invisible in our spectra." @default.
- W2068761344 created "2016-06-24" @default.
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- W2068761344 date "2013-01-01" @default.
- W2068761344 modified "2023-10-01" @default.
- W2068761344 title "HD 152246, a new high-mass triple system – preliminary results" @default.
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- W2068761344 doi "https://doi.org/10.1051/eas/1364070" @default.
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