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Table C.1

New orbital parameters of two binary Cepheids.

Orbital Unit SU Cyg V496 Aql
parameters
Porb Day 538.5 ± 4.2 1351.5 ± 5.8
Tp MJD 54744.6 ± 17.4 57537.5 ± 12.1
e 0.79 ± 0.05 0.45 ± 0.04
ω (°) 168.7 ± 8.2 − 68 ± 4.1
K km s−1 30.59 ± 0.82 9.5 ± 0.46

M1 (†) M 4.7 (1) 5.6 (1)
πp (†) mas 1.27 ± 0.86 (2) 0.94 ± 0.05 (3)

M2 sin i M 2 1.4
a au 2.45 4.57

Notes. (†) Parameters assumed from the literature.

References. (1) Evans et al. (2015). (2) hipparcos parallax from van Leeuwen (2007). (3) Gaia DR2 parallax (Gaia Collaboration 2018).

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