Close binary and other variable stars in the solar-age Galactic open cluster M 67

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Table 5:

Orbital elements of the tertiary component in AH Cnc.
Parameter	Unit	Value	Error
T_o	[HJD]	2 437 378.3295	$\pm$ 0.0012
P_o	[day]	0.3604360	$\pm$ 0.0000001
P'	[year]	34.7	$\pm$ 0.2
T'	[HJD]	40374	$\pm$ 87
e'		0.68	$\pm$ 0.03
$\omega'$	[ $^\circ$ ]	9.9	$\pm$ 2.4
$a_{12} \sin i'$	[AU]	4.1	$\pm$ 0.1
f(m)	[ $M_{\odot}$ ]	0.056	$\pm$ 0.005
$m_{3;i'=30^\circ}$	[ $M_{\odot}$ ]	1.57
$m_{3;i'=90^\circ}$	[ $M_{\odot}$ ]	0.60
Q	[c/d]	$1.82\times 10^{-10}$	$0.02\times 10^{-10}$

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