For information on field definitions see Guide to Hipparcos Double & Multiple Systems Annex fields (pdf)
Field Value Field Description DO1 : 68756 Hipparcos Catalogue (HIP) identifier DO2 : 51.4167 Orbital period, P (days) DO3 : 5117.3748 Time of periastron passage, T (days from JD2,440,000.0) DO4 : 1.46 Semi-major axis of photocentre orbit, a_0 (mas) DO5 : 0.4000 Eccentricity, e DO6 : 23.20 Argument of periastron, omega (deg) DO7 : 131.78 Inclination, i (deg) DO8 : 241.14 Position angle of the node, Omega (deg) DO9 : Standard error of P (days) DO10 : Standard error of T (days) DO11 : 0.68 Standard error of a_0 (mas) DO12 : Standard error of e DO13 : Standard error of omega (deg) DO14 : 25.40 Standard error of i (deg) DO15 : 18.91 Standard error of Omega (deg) DO16 : 22 Reference to the literature for the orbital parameters DO17 : Flag indicating a note at the end of relevant volume DOM1 : 111110010011 Status flags for the 12 astrometric and orbital parameters taken DOM2: 66 correlation coefficients in a non-linear coding 418 450 437 398 471 450 463 381 363 411 450 450 450 450 450 450 450 450 450 450 450 293 345 398 436 513 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 450 544 391 369 370 604 450 450 399 450 450 323 607 389 417 492 450 450 457 450 450 537 ORBPARLIT O16|3|4|DOM5 22|1|1|E.W.Elst, B.Nelles, Astron.Astrophys.Supp.Ser., 53, 215, 1983. HGNOTES HDNOTES HPNOTES