Hipparcos/Tycho Catalogue Data

Hipparcos Catalogue: Double and Multiple Systems Annex
CCDM 05352-0223

For information on field definitions see Guide to Hipparcos Double & Multiple Systems Annex fields (pdf)

Field       Value                 Field Description 
DC1   : 05352-0223           System identifier (CCDM number) 
DC2   :        1             Solution identifier, S (1 to N_S) 
DC3   : F                    Type of solution (F, I, L)
DC4   : C                    Source of solution (C, F, N) 
DC5   : C                    Quality of solution (A, B, C, D) 
DC6   :                      Flag indicating a note at the end of relevant volume 
DCM1  :        1             Number of solutions pertaining to the system, N_S 
DCM2  :        2             Number of components in this solution, N_C 
DCM3  :        9             Number of free parameters in this solution, N_P 
DCM4  :        1             Number of correlation records in this solution, N_R 
DCM5  : COMP                 This field contains the word `COMP' 
DCM6  :        1             Sequential component number in this solution (1 to N_C) 
DC7   : A                    Component identifier (A, B, C, dots) 
DC8   :    26216             Hipparcos Catalogue (HIP) identifier 
DC9   :        8.519         Magnitude of component, Hp (mag) 
DC10  :        0.256         Standard error of Hp magnitude, sigma_Hp (mag) 
DC11  :                      Magnitude of component, B_T (mag) 
DC12  :                      Standard error of B_T magnitude, sigma_B_T (mag) 
DC13  :                      Magnitude of component, V_T (mag) 
DC14  :                      Standard error of V_T magnitude, sigma_B_T (mag) 
DC15  :       83.80758933    Right ascension, alpha (deg) 
DC16  :       -2.38120663    Declination, delta (deg) 
DC17  :        1.89          Trigonometric parallax, pi (mas) 
DC18  :        1.25          Proper motion in right ascension, mu_alpha* (mas/yr) 
DC19  :       -0.47          Proper motion in declination, mu_delta (mas/yr) 
DC20  :       10.32          Standard error of alpha, sigma_alpha* (mas) 
DC21  :        7.37          Standard error of delta, sigma_delta (mas) 
DC22  :        1.00          Standard error of pi, sigma_pi (mas) 
DC23  :        0.96          Standard error of mu_alpha*, sigma_mu_alpha* (mas/yr) 
DC24  :        0.57          Standard error of mu_delta, sigma_mu_delta (mas/yr) 
DC25  :                      Reference component for the data in Fields DC26-29 
DC26  :                      Position angle relative to reference component, theta (deg) 
DC27  :                      Separation from reference component, varrho (arcsec) 
DC28  :                      Rate of change of theta, dtheta/dt (deg/yr) 
DC29  :                      Rate of change of varrho, dvarrho/dt (arcsec/yr) 
DCM7  :        0             Sequential record number for the  reference component in Field DC25 
DCM8  : 111111               Status flags for Hp, alpha, delta, pi, mu_alpha* and mu_delta  1= estimated    0= constrained to the value for the first component 
DC1   : 05352-0223           System identifier (CCDM number) 
DC2   :        1             Solution identifier, S (1 to N_S) 
DC3   : F                    Type of solution (F, I, L)
DC4   : C                    Source of solution (C, F, N) 
DC5   : C                    Quality of solution (A, B, C, D) 
DC6   :                      Flag indicating a note at the end of relevant volume 
DCM1  :        1             Number of solutions pertaining to the system, N_S 
DCM2  :        2             Number of components in this solution, N_C 
DCM3  :        9             Number of free parameters in this solution, N_P 
DCM4  :        1             Number of correlation records in this solution, N_R 
DCM5  : COMP                 This field contains the word `COMP' 
DCM6  :        2             Sequential component number in this solution (1 to N_C) 
DC7   : B                    Component identifier (A, B, C, dots) 
DC8   :    26216             Hipparcos Catalogue (HIP) identifier 
DC9   :       10.291         Magnitude of component, Hp (mag) 
DC10  :        1.311         Standard error of Hp magnitude, sigma_Hp (mag) 
DC11  :                      Magnitude of component, B_T (mag) 
DC12  :                      Standard error of B_T magnitude, sigma_B_T (mag) 
DC13  :                      Magnitude of component, V_T (mag) 
DC14  :                      Standard error of V_T magnitude, sigma_B_T (mag) 
DC15  :       83.80755923    Right ascension, alpha (deg) 
DC16  :       -2.38119563    Declination, delta (deg) 
DC17  :        1.89          Trigonometric parallax, pi (mas) 
DC18  :        1.25          Proper motion in right ascension, mu_alpha* (mas/yr) 
DC19  :       -0.47          Proper motion in declination, mu_delta (mas/yr) 
DC20  :       86.64          Standard error of alpha, sigma_alpha* (mas) 
DC21  :       56.98          Standard error of delta, sigma_delta (mas) 
DC22  :        1.00          Standard error of pi, sigma_pi (mas) 
DC23  :        0.96          Standard error of mu_alpha*, sigma_mu_alpha* (mas/yr) 
DC24  :        0.57          Standard error of mu_delta, sigma_mu_delta (mas/yr) 
DC25  : A                    Reference component for the data in Fields DC26-29 
DC26  :      290.            Position angle relative to reference component, theta (deg) 
DC27  :        0.12          Separation from reference component, varrho (arcsec) 
DC28  :                      Rate of change of theta, dtheta/dt (deg/yr) 
DC29  :                      Rate of change of varrho, dvarrho/dt (arcsec/yr) 
DCM7  :        1             Sequential record number for the  reference component in Field DC25 
DCM8  : 111000               Status flags for Hp, alpha, delta, pi, mu_alpha* and mu_delta  1= estimated    0= constrained to the value for the first component 
DC1  : 05352-0223           System identifier (CCDM number) 
DC2  :        1             Solution identifier, S (1 to N_S) 
DC3  : F                    Type of solution (F, I, L)
DC4  : C                    Source of solution (C, F, N) 
DC5  : C                    Quality of solution (A, B, C, D) 
DC6  :                      Flag indicating a note 
DCM1 :        1             Number of solutions pertaining to the system, N_S 
DCM2 :        2             Number of components in this solution, N_C 
DCM3 :        9             Number of free parameters in this solution, N_P 
DCM4 :        1             Number of correlation records in this solution, N_R 
DCM5 : CORR                 This field contains the word `CORR' 
DCM6 :        1             Sequential number of this correlation record (1 to N_R) 
DCM9: Up to 66 correlation coefficients in nonlinear coding 
838 406 516 450 456 449 450 458 447 404 450 446 457 383 513 -96 62 494 450 450 
450 905 745 342 451 451 450 -5 150 77 246 450 450 451 750 222 450 456 449 999 
404 383 450 451 450 450 458 447 404 999 513 450 451 450 404 450 446 457 383 513 
999 450 450 451 383 513