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Table 1

Information of our programme stars.

Object 2MASS ID B V Proper motions (a) Parallaxes (a) Probability (b) Type of
mag mag mas yr−1 mas % star (c)
Y1194 J08510080+1148527 15.28 14.61 −10.878 −2.757 [0.067 0.061] 1.1164 [0.0369] 99 ST
Y519 J08510951+1141449 13.50 12.75 −10.333 −3.106 [0.075 0.059] 1.0848 [0.0431] 98 SG
Y923 J08514401+1146245 13.50 12.75 −11.100 −2.889 [0.072 0.046] 1.1190 [0.0415] 100 SG
Y1844 J08513540+1157564 13.50 12.76 −11.097 −3.008 [0.067 0.044] 1.1499 [0.0422] 91 SG
Y535 J08510131+1141587 14.00 13.45 −11.041 −2.813 [0.045 0.031] 1.1077 [0.0261] 100 TO
Y1388 J08505474+1151093 14.08 13.52 −10.821 −2.941 [0.046 0.036] 1.0874 [0.0273] 99 TO
Y2235 J08510470+1204193 14.06 13.50 −10.944 −2.967 [0.041 0.029] 1.1506 [0.0262] 100 TO

Notes. (a) Proper motions (in RA and Dec), and parallaxes with uncertainties were taken from Gaia Collaboration (2018). (b) Probability of being a member of M 67, taken from Yadav et al. (2008). (c)Stellar type: subgiant star (SG), turn-off star (TO), solar twin (ST).

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