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Table 3

Summary of observations and third body orbital parameters reported by previous observers for HS 0705+6700.

Drechsel Niarchos Qian Qian Carmurdan Beuermann Qian Pulley
Parameter et al. et al. et al. et al. et al. et al. et al. et al.
(2001) (2003) (2009) (2010) (2012) (2012) (2013) (2015)
Radial velocity analysis Yes No No No No No No No
Light curve analysis Yes Yes No No Yes No No No
Primary eclipse 13 3 33 12 6 19 73 40
Secondary eclipse 0 3 5 2 0 3 5 12
Binary ephemeris
Binary period (days) 0.09564665 as Dreschel 0.095646625 0.095646684 0.095564665 0.0956466253 0.095946611 0.0956466012
Quadratic term (days) − 1.87 × 10−12 2.57 × 10−12 1.52 × 10−12
Circumbinary Period (yr) 7.15 15.7 8.06 8.41 8.87 8.73
Eccentricity 0 0 not given 0.38 0.19 0.22
Semi-amplitude (s) 92.4 71 98.5 86 87.4 80.1
Min mass 3rd body (MJ) 39.5 30.4 37.7 29.6 32 33.2

Notes. The circumbinary period reported by Qian et al. (2010) should probably read 7.15 yr. We think this is a typographical error.

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