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Table 5

Rossby number for stars with measured Prot.

HD Name obs Prot M Branch R τ(max) Ro
day M D CE day

Active Giants

4128 β Cet 215 3.5 He burning 0.01 232 0.93
9746 OP And 76 2. RGB 0.78 160 0.47
27536 EK Eri 308.8 1.9 Base RGB 0.01 234 1.3
28307 77 Tau 140 3. Base RGB 0.03 179 0.78
31993 V1192 Ori 28 1.8 RGB 0.32 129 0.22
33798 V390 Aur 9.8 2.25 Base RGB 0.04 230 0.04
47442 ν3 CMa 183 4.5 Base RGB 0.02 314 0.58
68290 19 Pup 159 2.5 He burning 0.07 335 0.47
72146 FI Cnc 28.5 2.4 Base RGB 0.06 122 0.23
111812 31 Com 6.8 2.75 HGap 0.02 58 0.12
112989 37 Com 111 5.25 He burning 0. 132 0.84
141714 δ CrB 59 2.5 HGap 0.01 271 0.22
203387 ι Cap 68 3. Base RGB 0.02 79 0.86
218153 KU Peg 25 2.5 Base BRG 0.08 165 0.15
223460 OU And 24.2 3. HGap 0.01 36 0.68

CFHT and miscellaneous

62509 Pollux 590 2.5 Base RGB 0.01 330 1.78

Notes. The radius R (6th column) where τ(max) is measured, is counted above the base of the convective envelope (CE) and is in units of the depth of the CE.

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