For information on field definitions see Guide to Hipparcos Variability Annex fields (pdf)
Field Value Field Description U1 : 3634 Identifier (HIP) U2 : * Flag if new variable U3 : M1III Spectral type U4 : U Variability type (1-letter) U5 : Variability type (6-letter) U6 : Flag if newly classified by Hipparcos U7 : 7.431 Magnitude at max curve fitting if significant U8 : Limit flag (>) U9 : 7.534 Magnitude at min curve fitting if significant U10 : 7.482 Median Hp (mag) U11 : 0.072 Intrinsic variability amplitude, A (mag) U12 : 0.014 sigma_A U13 : Blank for unsolved variables U14 : Blank for unsolved variables U15 : Annex flag U16 : Note flag U17 : CV_Tuc Variable star name U18 : Period from literature (days) U19 : Epoch from literature (Julian Date) U20 : Magnitude at max from literature U21 : Magnitude at min from literature U22 : Photometric band U23 : Reference flag AUTHREF HGNOTES HDNOTES HPNOTES