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Table 3.

Observed and theoretical apsidal motion rates.

System Method (**) e
EM Car B 0.0120 ± 0.0005 0.090 ± 0.007 0.080 ± 0.002 −2.258 ± 0.026 −2.311 ± 0.030
Y Cyg L 0.14508 ± 0.00029 0.06244 ± 0.00031 0.06178 ± 0.00003 −1.943 ± 0.012 −1.948 ± 0.020
V478 Cyg L 0.0158 ± 0.0007 0.1062 ± 0.0086 0.1047 ± 0.0010 −2.239 ± 0.036 −2.245 ± 0.017
V578 Mon L 0.07755 ± 0.00026 0.0690 ± 0.0053 0.07089 ± 0.00021 −2.002 ± 0.037 −1.989 ± 0.013
V453 Cyg B 0.0250 ± 0.0014 0.0453 ± 0.0046 0.0431 ± 0.0015 −2.380 ± 0.050 −2.402 ± 0.019
CW Cep (*) B 0.0305 ± 0.0009 0.0591 ± 0.0017 0.0583 ± 0.0004 −2.065 ± 0.011 −2.071 ± 0.010
QX Car L 0.278 ± 0.003 0.0132 ± 0.0011 0.01222 ± 0.00022 −2.112 ± 0.037 −2.149 ± 0.033
V539 Ara (*) B 0.0530 ± 0.0010 0.0195 ± 0.0014 0.0196 ± 0.0006 −2.309 ± 0.012 −2.306 ± 0.034
DI Her A 0.489 ± 0.003 0.00046 ± 0.00009 0.00044 ± 0.00002 −2.135 ± 0.062 −2.157 ± 0.032
EP Cru A 0.1874 ± 0.0005 0.00229 ± 0.00011 0.00237 ± 0.00015 −2.350 ± 0.013 −2.331 ± 0.043
V760 Sco B 0.0265 ± 0.0010 0.0450 ± 0.0051 0.0434 ± 0.0005 −2.180 ± 0.046 −2.196 ± 0.032
GG Lup B 0.155 ± 0.005 0.0168 ± 0.0014 0.0173 ± 0.0003 −2.197 ± 0.040 −2.208 ± 0.023
ζ Phe (*) B 0.0116 ± 0.0024 0.0326 ± 0.0019 0.0328 ± 0.0006 −2.287 ± 0.026 −2.284 ± 0.016
IQ Per B 0.0662 ± 0.0005 0.01526 ± 0.00088 0.0150 ± 0.0005 −2.303 ± 0.025 −2.311 ± 0.023
PV Cas B 0.0325 ± 0.0005 0.0224 ± 0.0012 0.0212 ± 0.0002 −2.379 ± 0.022 −2.404 ± 0.015
V364 Lac A 0.2873 ± 0.0014 0.00180 ± 0.00005 0.00181 ± 0.00006 −2.611 ± 0.015 −2.609 ± 0.021
SW CMa A 0.3180 ± 0.0005 0.00067 ± 0.00002 0.00069 ± 0.00005 −2.581 ± 0.015 −2.565 ± 0.067
PT Vel B 0.112 ± 0.003 0.01231 ± 0.00049 0.0125 ± 0.0006 −2.452 ± 0.012 −2.445 ± 0.031
V1647 Sgr (*) B 0.4130 ± 0.0005 0.00543 ± 0.00036 0.00554 ± 0.00005 −2.384 ± 0.037 −2.373 ± 0.019
AI Hya B 0.234 ± 0.002 0.00177 ± 0.00015 0.00191 ± 0.00005 −2.682 ± 0.015 −2.642 ± 0.048
VV Pyx (*) A 0.0956 ± 0.0009 0.00138 ± 0.00004 0.00132 ± 0.00005 −2.488 ± 0.010 −2.517 ± 0.031
EK Cep A 0.109 ± 0.003 0.00089 ± 0.00002 0.00088 ± 0.00004 −2.167 ± 0.014 −2.177 ± 0.041
VV Crv (*) B 0.0852 ± 0.0010 0.01177 ± 0.00068 0.0109 ± 0.0012 −2.686 ± 0.031 −2.721 ± 0.031
IM Per (*) B 0.0491 ± 0.0010 0.01520 ± 0.00050 0.0146 ± 0.0004 −2.615 ± 0.012 −2.633 ± 0.017
V1143 Cyg A 0.5386 ± 0.0012 0.00082 ± 0.00003 0.00080 ± 0.00004 −2.237 ± 0.035 −2.259 ± 0.045
IT Cas A 0.089 ± 0.002 0.00112 ± 0.00005 0.00114 ± 0.00010 −2.449 ± 0.014 −2.436 ± 0.067
V530 Ori A 0.0862 ± 0.0010 0.00081 ± 0.00006 0.00086 ± 0.00005 −0.796 ± 0.042 −0.763 ± 0.043

Notes. The values of are expressed in deg cycle−1.

(*)

Binary systems with a suggested third body.

(**)

Adopted methodology to compute : A, from linear variation of T2 − T1; B, from variations of the angle of periastron; L, adopted from the literature.

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