Orbital evolution of a circumbinary planet in a gaseous disk

Earth, Planets and Space

Table 1 Parameters of close-in CBPs discovered by Kepler

	\(M_{\rm p} [M_{\odot }]\)	\(M_{\rm s} [M_{\odot }]\)	\(e_{{\rm bin}}\)	\(a_{{\rm bin}}\) [au]	\(M_{{\rm pl}} [M_{\rm J}]\)	\(a_{{\rm pl}}\) [au]	\(e_{{\rm pl}}\)
Kepler-16b	0.687	0.202	0.16	0.224	0.333	0.72	0.0069
Kepler-34b	1.049	1.022	0.521	0.228	0.22	1.086	0.182
Kepler-35b	0.885	0.808	0.142	0.176	0.127	0.605	0.042
Kepler-38b	0.949	0.249	0.103	0.147	0.384	0.464	0.032
Kepler-47b	1.043	0.362	0.023	0.084	0.0065	0.288	0.021
Kepler-47d	–	–	–	–	0.060	0.699	0.024
Kepler-47c	–	–	–	–	0.010	0.964	0.044
PH1	1.53	0.378	0.212	0.174	0.531	0.634	0.0702
Kepler-413b	0.82	0.542	0.037	0.099	0.211	0.355	0.07
Kepler-453b	0.944	0.195	0.0524	0.185	\(6.29 \times 10^{-4}\)	0.79	0.118
Kepler-1647b	1.2207	0.9678	0.1602	0.1276	1.52	2.72	0.0581

Index p, s, bin, and pl represent primary, secondary, binary, and planet, respectively. For reference, please see the main text