Orbital Parameters of Binary Cepheids

The catalog of orbital parameters of binary Cepheids (including classical, and type II subtypes). Check also the catalog of Physical Properties of Cepheids .
The catalog is sorted by: Cepheid type. Sort by: galaxy or flag.

ID	P_orb [d]	e	A [R☉]	i [°]	M₁ [M☉]	M₂ [M☉]	q	References	Other
OGLE-LMC-CEP-4506	1550.354 ± 0.009	0.6117 ± 0.0011	1085.1 ± 2.0	87.98 ± 0.01	3.61 ± 0.03	3.52 ± 0.03	0.975 ± 0.003	Pilecki+2018 Gieren+2015	Get data
OGLE-LMC-CEP-2532	800.419 ± 0.009	0.306 ± 0.010	723.4 ± 5.0	85.97 ± 0.15	3.98 ± 0.10	3.94 ± 0.09	0.992 ± 0.012	Pilecki+2015 Pilecki+2018	Get data
OGLE-LMC-CEP-1812	551.776 ± 0.003	0.1214 ± 0.0023	525.2 ± 1.1	89.58 ± 0.04	3.76 ± 0.03	2.62 ± 0.02	0.696 ± 0.003	Pilecki+2018	Get data
OGLE-LMC-CEP-1718A	412.813 ± 0.008	0.269 ± 0.004	476.1 ± 1.2	83.0 ± 0.5	4.27 ± 0.04	4.22± 0.04	0.988 ± 0.005	Pilecki+2018 Gieren+2014	Get data
OGLE-LMC-CEP-0227	309.6690 ± 0.0017	0.1659 ± 0.002	388.8 ± 0.8	86.83 ± 0.02	4.165 ± 0.032	4.06 ± 0.03	0.979 ± 0.003	Pilecki+2013 Pilecki+2018	Get data
SU Cyg	549.077 ± 0.013	0.339 ± 0.002	607.8 ± 1.9	81.28 ± 0.27	4.86 ± 0.06	5.14 ± 0.04	1.058 ± 0.015	Gallenne+2025

ID	P_orb [d]	e	A [R☉]	i [°]	M₁ [M☉]	M₂ [M☉]	q	References	Other
OGLE-LMC-T2CEP-211	242.23 ± 0.06	0.01 ± 0.015	302. ± 1.5	86.5 ± 1.0	0.643 ± 0.015	5.67 ± 0.06	8.82 ± 0.14	Pilecki+2018	Get data
OGLE-LMC-T2CEP-098	397.178 ± 0.003	0.00 ± 0.01	460 ± 6	87.15 ± 0.05	1.51 ± 0.09	6.8 ± 0.4	4.5 ± 0.3	Pilecki+2017 Pilecki+2018	Get data