Hipparcos/Tycho Catalogue Data

Hipparcos Catalogue: Double and Multiple Systems Annex
CCDM 05349-0007

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

Field       Value                 Field Description 
DC1   : 05349-0007           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   : A                    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   :    26188             Hipparcos Catalogue (HIP) identifier 
DC9   :        7.137         Magnitude of component, Hp (mag) 
DC10  :        0.004         Standard error of Hp magnitude, sigma_Hp (mag) 
DC11  :        7.020         Magnitude of component, B_T (mag) 
DC12  :        0.005         Standard error of B_T magnitude, sigma_B_T (mag) 
DC13  :        7.129         Magnitude of component, V_T (mag) 
DC14  :        0.005         Standard error of V_T magnitude, sigma_B_T (mag) 
DC15  :       83.73538201    Right ascension, alpha (deg) 
DC16  :       -0.12284978    Declination, delta (deg) 
DC17  :        2.61          Trigonometric parallax, pi (mas) 
DC18  :       -1.81          Proper motion in right ascension, mu_alpha* (mas/yr) 
DC19  :       -4.11          Proper motion in declination, mu_delta (mas/yr) 
DC20  :        1.18          Standard error of alpha, sigma_alpha* (mas) 
DC21  :        0.69          Standard error of delta, sigma_delta (mas) 
DC22  :        1.29          Standard error of pi, sigma_pi (mas) 
DC23  :        1.24          Standard error of mu_alpha*, sigma_mu_alpha* (mas/yr) 
DC24  :        0.67          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   : 05349-0007           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   : A                    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   :    26188             Hipparcos Catalogue (HIP) identifier 
DC9   :       10.129         Magnitude of component, Hp (mag) 
DC10  :        0.054         Standard error of Hp magnitude, sigma_Hp (mag) 
DC11  :       10.233         Magnitude of component, B_T (mag) 
DC12  :        0.053         Standard error of B_T magnitude, sigma_B_T (mag) 
DC13  :       10.031         Magnitude of component, V_T (mag) 
DC14  :        0.061         Standard error of V_T magnitude, sigma_B_T (mag) 
DC15  :       83.73267723    Right ascension, alpha (deg) 
DC16  :       -0.12207580    Declination, delta (deg) 
DC17  :        2.61          Trigonometric parallax, pi (mas) 
DC18  :       -1.81          Proper motion in right ascension, mu_alpha* (mas/yr) 
DC19  :       -4.11          Proper motion in declination, mu_delta (mas/yr) 
DC20  :       16.16          Standard error of alpha, sigma_alpha* (mas) 
DC21  :       10.58          Standard error of delta, sigma_delta (mas) 
DC22  :        1.29          Standard error of pi, sigma_pi (mas) 
DC23  :        1.24          Standard error of mu_alpha*, sigma_mu_alpha* (mas/yr) 
DC24  :        0.67          Standard error of mu_delta, sigma_mu_delta (mas/yr) 
DC25  : A                    Reference component for the data in Fields DC26-29 
DC26  :      286.0           Position angle relative to reference component, theta (deg) 
DC27  :       10.13          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  : 05349-0007           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  : A                    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 
483 474 507 449 593 477 443 382 343 457 432 335 479 367 492 45 415 424 451 458 
469 488 477 399 443 469 440 409 478 407 458 452 465 454 420 507 449 593 477 999 
457 367 451 443 452 443 382 343 457 999 492 458 469 465 457 432 335 479 367 492 
999 469 440 454 367 492