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Table 1

Polarization standard stars.

Instrument Object α2000 δ2000 Type P γ Filter Ref.
(hh:mm:ss.ss) (dd:mm:ss.ss) (%)
SOFI/NTT CMa R1 No.24 07:04:47.36 −10:56:17.44 polarized 2.1 ± 0.05 86 ± 1 J 1
HD64299 07:52:25.51 −23:17:46.78 unpolarized 0.151 ± 0.032 B 2
WD0310-688 03:10:31.02 −68:36:03.39 unpolarized 0.051 ± 0.09 V 3

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