| H0 : | Catalogue (H = Hipparcos, T = Tycho) |
| H1 : | Identifier (HIP number) |
| H2 : | Proximity flag |
| H3 : | Identifier RA, h m s (J1991.25) |
| H4 : | Identifier Dec, d m s (J1991.25) |
| H5 : | V (Johnson) magnitude |
| H6 : | Coarse variability flag |
| H7 : | Source of magnitude identifier |
| H8 : | alpha, degrees (J1991.25) |
| H9 : | delta, degrees (J1991.25) |
| H10 : | Reference flag for astrometry |
| H11 : | Trigonometric parallax (mas) |
| H12 : | mu_alpha* (mas/yr) |
| H13 : | mu_delta (mas/yr) |
| H14 : | Standard error in alpha* at J1991.25 (mas) |
| H15 : | Standard error in delta at J1991.25 (mas) |
| H16 : | Standard error in pi (mas) |
| H17 : | Standard error in mu_alpha* (mas/yr) |
| H18 : | Standard error in mu_delta (mas/yr) |
| H19 : | Correlation: alpha*/delta |
| H20 : | Correlation: alpha*/pi |
| H21 : | Correlation: delta/pi |
| H22 : | Correlation: alpha*/mu_alpha* |
| H23 : | Correlation: delta/mu_alpha* |
| H24 : | Correlation: pi/mu_alpha* |
| H25 : | Correlation: alpha*/mu_delta |
| H26 : | Correlation: delta/mu_delta |
| H27 : | Correlation: pi/mu_delta |
| H28 : | Correlation: mu_alpha*/mu_delta |
| H29 : | F1, data points rejected (per cent) |
| H30 : | F2, goodness-of-fit |
| H31 : | HIP number |
| H32 : | BT (mag) |
| H33 : | sigma BT (mag) |
| H34 : | VT (mag) |
| H35 : | sigma VT (mag) |
| H36 : | Reference flag for BT and VT |
| H37 : | B-V (mag) |
| H38 : | sigma B-V (mag) |
| H39 : | Source of B-V |
| H40 : | V-I (mag) |
| H41 : | sigma V-I (mag) |
| H42 : | Source of V-I |
| H43 : | Reference flag for colour indices |
| H44 : | Median Hp (mag) |
| H45 : | sigma Hp (mag) |
| H46 : | Scatter, s (mag) |
| H47 : | Accepted transits, N |
| H48 : | Reference flag for photometry |
| H49 : | Mag at max, Hp (5th percentile) |
| H50 : | Mag at min, Hp (95th percentile) |
| H51 : | Period (days) |
| H52 : | Flag (variability type) |
| H53 : | Flag (variability tables) |
| H54 : | Flag (light curves) |
| H55 : | CCDM Identifier |
| H56 : | Historical status flag |
| H57 : | Number of catalogue entries |
| H58 : | Number of components |
| H59 : | Double/Multiple Systems Annex flag |
| H60 : | Astrometric source flag |
| H61 : | Solution quality |
| H62 : | Component identifiers |
| H63 : | Position angle (degrees) |
| H64 : | Angular separation (arcsec) |
| H65 : | sigma separation (arcsec) |
| H66 : | Delta Hp (mag) |
| H67 : | sigma Delta Hp (mag) |
| H68 : | Survey flag |
| H69 : | Chart flag |
| H70 : | Notes |
| H71 : | HD identifier |
| H72 : | DM (BD) identifier |
| H73 : | DM (CoD) identifier |
| H74 : | DM (CPD) identifier |
| H75 : | V-I (mag) used for reductions |
| H76 : | Spectral type |
| H77 : | Source of spectral type |
![[ HIPPARCOS satellite ]](/safcat_images/hipparcos.jpg)