Table 7: Orbital systems and comparison with the ephemeris based on the best-fitting orbit(s).
Identifier $\rho$ $_{\rm obs}$ $\theta$ $_{\rm obs}$ $\rho$ $_{\rm eph}$ $\theta$ $_{\rm eph}$ $\delta$ $\rho$ $\delta$ $\theta$ $\Delta$ Pos Source

HIP 473 6.079 178.49 6.068 182.61 0.011 -4.120 0.437 Kiyaeva et al. (2001)

HIP 67422 3.30 170.70 3.320 173.48 -0.020 -2.780 0.162 Heintz (1988)

HIP 72659 6.72 314.20 6.636 317.28 0.084 -3.080 0.369 Söderhjelm (1999)

HIP 79607 6.96 232.80 6.955 236.13 0.005 -3.330 0.404 Ruymaekers (1999)

HIP 88601 3.73 145.60 3.780 147.24 -0.050 -1.640 0.119 Ruymaekers (1999)

HIP 97237 1.418 46.98 0.940 82.54 0.478 -35.560 0.852 Heintz (1990)

HIP 97237 1.418 46.98 1.521 47.44 -0.103 -0.460 0.104 Söderhjelm (1999)

**Table 7:** Orbital systems and comparison with the ephemeris based on the best-fitting orbit(s).
Identifier	$\rho$ $_{\rm obs}$	$\theta$ $_{\rm obs}$	$\rho$ $_{\rm eph}$	$\theta$ $_{\rm eph}$	$\delta$ $\rho$	$\delta$ $\theta$	$\Delta$ Pos	Source
HIP 473	6.079	178.49	6.068	182.61	0.011	-4.120	0.437	Kiyaeva et al. (2001)
HIP 67422	3.30	170.70	3.320	173.48	-0.020	-2.780	0.162	Heintz (1988)
HIP 72659	6.72	314.20	6.636	317.28	0.084	-3.080	0.369	Söderhjelm (1999)
HIP 79607	6.96	232.80	6.955	236.13	0.005	-3.330	0.404	Ruymaekers (1999)
HIP 88601	3.73	145.60	3.780	147.24	-0.050	-1.640	0.119	Ruymaekers (1999)
HIP 97237	1.418	46.98	0.940	82.54	0.478	-35.560	0.852	Heintz (1990)
HIP 97237	1.418	46.98	1.521	47.44	-0.103	-0.460	0.104	Söderhjelm (1999)

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