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Table 4.

α Canis Majoris centre of mass parameters (position and proper motions for 1950.0 epoch in the FK4 frame).

Parameter Value Unit
Parallax 0.3777 ± 0.0031 mas
Primary mass 2.063 ± 0.023 M
Secondary mass 1.018 ± 0.011 M
Right ascension proper motion −0.0379 s yr−1
Declination proper motion −1.211 ″ yr−1
Radial velocity −7.6 km s−1
Right ascension 6h42m5673
Declination −16°38′464

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