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Table 5

Properties of known short-period (Porb< 20 d) SB2 systems containing a magnetic upper main sequence star.

System Orbit Primary Secondary
P orb i e M 1 P 1 v1sini1 i 1 B d1 β 1 M 2 v2sini2 B d2
day deg M day km s-1 deg G deg M km s-1 G

HD 5550 HIP 4572 6.82 ... 0.006 2.5: 6.84 5 32 80 24 1.7: 3
HD 37017 V1046 Ori 18.65 ... 0.277 9: 0.901 ... 30 6500 50 7.3: ... ...
HD 37061 NU Ori 19.139 ... 0.14 13: ... 180 ... 620 ... ... ... ...
HD 47129 Plaskett’s 14.396 71 0 45.4 10.2 70 ... ... ... 47.3 305 2850
HD 98088 Abt’s 5.905 69 0.184 2.19 5.905 23 77 3850 76 1.67 21 0
HD 136504 ϵ Lup 4.56 21 0.277 8.7 ... 37 21 900 0 7.3 27 600
HD 161701 HIP 87074 12.451 71 0.0043 4.0 12.451 17 ... 0 ... 2.4 8 ≥ 750
BD-19 5044L IC 4725 98 17.630 30 0.474 3.4 5.04 14 37 1400 26 2.3 6 0

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