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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Polaris' PM in RA?
From: Dave Walden
Date: 2020 Sep 24, 15:16 -0700
From: Dave Walden
Date: 2020 Sep 24, 15:16 -0700
https://iopscience.iop.org/article/10.1088/0004-6256/136/3/1137/pdf
Table 5 Proper-Motion Data for Polaris A Quantity System µα cos δ µδ (mas yr−1) (mas yr−1)
µFK5 FK5 +38.30 ± 0.23 −15.20 ± 0.35
µFK5 HIP +41.50 ± 0.97 −16.73 ± 0.75
µHIP HIP +44.22 ± 0.47 −11.74 ± 0.55
∆µ = µHIP − µFK5 HIP +2.72 ± 1.08 +4.99 ± 0.93
∆µfit HIP +4.59 ± 2.52 +1.21 ± 0.74
