J/PAZh/??/??? Orbits of 451 wide visual double stars. (Izmailov 2019) ================================================================================ Orbits of 451 wide visual double stars. Izmailov I. S. = = ================================================================================ ADC_Keywords: Binaries, visual; Orbits Keywords: visual double stars, Orbits Abstract: File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table1.dat 319 451 Orbital elements,solution without weights table2.dat 319 422 Orbital elements,solution with weights table3.dat 166 87844 Sets of possible orbits, solution without weights table4.dat 166 81520 Sets of possible orbits, solution with weights table5.dat 119 451 Orbital ephemerides, solution without weights table6.dat 119 422 Orbital ephemerides, solution with weights Byte-by-byte Description of file: table1.dat and table2.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1-10 A10 --- WDS WDS identifier (Cat. B/wds) 12-18 A7 --- Disc Discoverer & Number 19-23 A5 --- Comp Components 24-33 F10.4 years P Period 34-43 F10.4 years e_P Formal error in P 44-52 F9.5 arcsec a Semi-major axis (a) 53-61 F9.5 arcsec e_a Error in a 62-69 F8.3 deg i Inclination (i) 70-76 F7.3 deg e_i Error in i 77-84 F8.3 deg Omega Node (Omega) 85 A1 --- idntf An identified ascending node is indicated by *. (Cat. B/wds) 86-93 F8.3 deg e_Omega Error in Omega. 94-103 F10.4 year T The time of periastron passage (T) in fractional Besselian year 104-113 F10.4 year e_T Error in T 114-121 F8.5 --- e Eccentricity (e) 122-129 F8.5 --- e_e Error in e 130-137 F8.3 deg omega Longitude of periastron (omega) 138-145 F8.3 deg e_omega Error in omega 146-150 I5 year DL Date of the last observation used in the orbit calculation 151-158 F8.5 arcsec sd Standard deviation of observations for this orbit 159-166 F8.5 arcsec osd Standard deviation for the previous orbit 168-175 A8 --- Ref The previous orbit reference (1) 176-185 F10.4 year t0 epoch of the apparent motion parameters 186-194 F9.5 arcsec rho0 Angular separation for t0 from orbit 195-202 F9.5 arcsec e_rho0 Error in angular separation 203-211 F9.4 deg theta0 Position angle for t0 from orbit 212-220 F9.4 deg e_theta0 Error in position angle 221-230 F10.6 as/yr PMrho Proper Motion (angular separation) for t0 from orbit 231-239 F9.6 as/yr e_PMrho Error in proper motion 240-251 F12.5 dg/yr PMtheta Proper Motion (position angle) for t0 from orbit 252-261 F10.5 dg/yr e_PMtheta Error in proper motion 262-269 F8.4 arcsec r Radius of curvature 270-277 F8.4 arcsec e_r Error in radius of curvature 278-284 F7.4 as/yr dVR Difference between radial velocities for t0 from orbit 285-291 F7.4 as/yr e_dVR Error in difference 292-305 F14.11 massSun*as^3 M Sum of mass of stars multiplied by parallax^3 306-319 F14.11 massSun*as^3 e_M Error in mass -------------------------------------------------------------------------------- Note (1): See http://ad.usno.navy.mil/wds/orb6/wdsref.txt Byte-by-byte Description of file: table3.dat and table4.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1-10 A10 --- WDS WDS identifier (Cat. B/wds) 12-18 A7 --- Disc Discoverer & Number 20-24 A5 --- Comp Components 25-34 F10.4 years P Period 35-43 F9.5 arcsec a Semi-major axis (a) 44-51 F8.3 deg i Inclination (i) 52-59 F8.3 deg Omega Node (Omega) 60-70 F11.4 year T The time of periastron passage (T) in fractional Besselian year 71-78 F8.5 --- e Eccentricity (e) 79-86 F8.3 deg omega Longitude of periastron (omega) 87-96 F10.4 year t0 epoch of the apparent motion parameters 97-105 F9.5 arcsec rho0 Angular separation for t0 from orbit 106-114 F9.4 deg theta0 Position angle for t0 from orbit 115-124 F10.6 as/yr PMrho Proper Motion (angular separation) for t0 from orbit 125-137 F12.5 dg/yr PMtheta Proper Motion (position angle) for t0 from orbit 138-145 F8.4 arcsec r Radius of curvature 146-152 F7.4 as/yr dVR Difference between radial velocities for t0 from orbit 153-166 F14.11 massSun*as^3 M Sum of mass of stars multiplied by parallax^3 -------------------------------------------------------------------------------- by parallax^3 Byte-by-byte Description of file: table5.dat and table6.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1-10 A10 --- WDS WDS identifier (Cat. B/wds) 12-18 A7 --- Disc Discoverer & Number 20-24 A5 --- Comp Components 25-32 F8.4 arcsec rho Angular separation for 2019.0 33-39 F7.4 arcsec e_rho Error in angular separation 40-47 F8.3 deg theta Position angle for 2019.0 48-55 F8.3 deg e_theta Error in position angle 56-64 F8.4 arcsec rho Angular separation for 2020.0 65-71 F7.4 arcsec e_rho Error in angular separation 72-79 F8.3 deg theta Position angle for 2020.0 80-87 F8.3 deg e_theta Error in position angle 88-96 F8.4 arcsec rho Angular separation for 2021.0 97-103 F7.4 arcsec e_rho Error in angular separation 104-111 F8.3 deg theta Position angle for 2021.0 112-119 F8.3 deg e_theta Error in position angle -------------------------------------------------------------------------------- Acknowledgements: Igor Izmailov, i_izmailov(at)mail.ru ================================================================================ (End) Igor Izmailov [Pulkovo Obs.] 03-Aug-2018