Determining the mass loss limit for close-in exoplanets: what can we learn from transit observations?

H. Lammer; P. Odert; M. Leitzinger; M. L. Khodachenko; M. Panchenko; Yu. N. Kulikov; T. L. Zhang; H. I. M. Lichtenegger; N. V. Erkaev; G. Wuchterl; G. Micela; T. Penz; H. K. Biernat; J. Weingrill; M. Steller; H. Ottacher; J. Hasiba; A. Hanslmeier

doi:10.1051/0004-6361/200911922

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Volume 506 / No 1 (October IV 2009)

A&A, 506 1 (2009) 399-410

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The CoRoT space mission: early results

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Table 2:

Masses and radii of 57 transiting exoplanets, stellar masses, as well as most of the spectral types (SPT) taken from the Extrasolar Planets Enyclopaedia; status June 2009; http://www.exoplanet.eu/.
	Exoplanet	$\frac{M_{{\rm pl}}}{M_{{\rm Jup}}}$	$\frac{r_{{\rm pl}}}{r_{{\rm Jup}}}$	$\rho_{\rm pl}$	$\frac{M_{{\rm star}}}{M_{{\rm Sun}}}$	SPT	d	$\zeta$	$\frac{\Delta M_{{\rm pl}}}{M_{{\rm pl}^{10\%}}}$	$\frac{\Delta M_{{\rm pl}}}{M_{{\rm pl}^{25\%}}}$	$\frac{\Delta M_{{\rm pl}}}{M_{{\rm pl}^{60\%}}}$	$\frac{\Delta M_{{\rm pl}}}{M_{{\rm pl}^{100\%}}}$
F				[g cm^-3]			[AU]			Mass loss [%]
	CoRoT-3 b	21.66	1.01	26.08	1.37	F3V	0.057	1.08	0.0002	0.0005	0.001	0.0017
	CoRoT-4 b	0.72	1.19	0.53	1.1	F0V	0.090	1.19	0.12	0.3	0.73	1.212
	CoRoT-5 b	0.46	1.28	0.27	1.00	F9V	0.050	1.53	1.56	3.75	8.32	.12.78
	HAT-P-2 b	8.62	0.95	12.43	1.29	F8	0.068	1.09	0.0007	0.002	0.004	0.0069
	HAT-P-4 b	0.68	1.27	0.41	1.26	F	0.045	1.55	0.90	2.17	5.07	8.02
	HAT-P-5 b	1.06	1.26	0.66	1.16	${\rm F^{x}}$	0.041	1.48	0.42	1.02	2.43	3.95
	HAT-P-6 b	1.06	1.33	0.56	1.29	F	0.052	1.39	0.28	0.70	1.68	2.75
	HAT-P-7 b	1.77	1.36	0.87	1.47	${\rm F^{x}}$	0.038	1.53	0.23	0.56	1.34	2.21
	HAT-P-8 b	1.52	1.5	0.56	1.28	${\rm F^{x}}$	0.049	1.42	0.23	0.56	1.35	2.23
	HAT-P-9 b	0.78	1.4	0.35	1.28	F	0.053	1.48	0.63	1.52	3.58	5.76
	OGLE2-TR-L9 b	4.50	1.61	1.34	1.52	F3	0.041	1.39	0.05	0.11	0.27	0.44
	OGLE-TR-132 b	1.14	1.18	0.86	1.26	F	0.031	1.67	0.6	1.44	3.42	5.5
	OGLE-TR-182 b	1.01	1.13	0.87	1.14	${\rm F^{x}}$	0.051	1.32	0.19	0.46	1.11	1.83
	OGLE-TR-211 b	1.03	1.36	0.51	1.33	${\rm F^{x}}$	0.051	1.43	0.35	0.84	2.02	3.29
	SWEEPS-04	3.8	0.81	8.87	1.24	${\rm F^{x}}$	0.055	1.12	0.003	0.01	0.02	0.04
	TrES-4 b	0.92	1.79	0.2	1.38	F	0.049	1.70	1.27	3.01	6.9	10.73
	WASP-1 b	0.89	1.36	0.44	1.24	F7V	0.038	1.69	1.0	2.39	5.54	8.73
	WASP-12 b	1.41	1.79	0.31	1.35	F	0.023	3.68	5.97	12.49	23.46	31.23
	WASP-14 b	7.73	1.26	4.8	1.32	F5V	0.037	1.25	0.01	0.02	0.05	0.08
	WASP-3 b	1.76	1.31	0.97	1.24	F7V	0.032	1.6	0.31	0.74	1.79	2.93
	WASP-7 b	0.96	0.92	1.56	1.28	F5V	0.062	1.21	0.07	0.17	0.4	0.67
	WASP-13 b	0.46	1.21	0.32	1.03	F9	0.053	1.45	1.11	2.70	6.12	9.59
	WASP-15 b	0.54	1.43	0.23	1.18	F5	0.050	1.62	1.66	3.98	8.79	13.43
	X0-3 b	11.79	1.22	8.12	1.21	F5V	0.045	1.15	0.002	0.005	0.01	0.019
	X0-4 b	1.72	1.34	0.89	1.32	F5V	0.056	1.3	0.09	0.22	0.52	0.87
G
	CoRoT-1 b	1.03	1.49	0.37	0.95	G0V	0.025	2.36	1.3	3.07	6.99	10.81
	CoRoT-2 b	3.31	1.47	1.31	0.97	G	0.028	1.56	0.06	0.15	0.35	0.59
	HAT-P-1 b	0.52	1.23	0.35	1.13	G0V	0.055	1.43	0.32	0.78	1.88	3.07
	HD 149026 b	0.36	0.65	1.59	1.3	G0IV	0.043	1.32	0.16	0.38	0.93	1.53
	HD 17156 b	3.21	1.02	3.72	1.24	G0	0.162	1.05	0.0004	0.001	0.003	0.004
	HD 209458 b	0.69	1.32	0.37	1.01	G0V	0.047	1.49	0.34	0.83	1.98	3.23
	HD 80606 b	4.00	1.03	0.45	0.9	G5	0.453	1.02	$3.2\times10^{-5}$	$8.1\times10^{-5}$	0.0002	0.0003
	OGLE-TR-10 b	0.63	1.26	0.39	1.18	G	0.042	1.61	0.48	1.16	2.76	4.46
	OGLE-TR-56 b	1.29	1.3	0.73	1.17	G	0.023	2.2	0.6	1.46	3.45	5.53
	SWEEPS-11	9.7	1.13	8.34	1.1	${\rm G^{x}}$	0.030	1.24	0.002	0.005	0.01	0.02
	TrES-2	1.2	1.22	0.82	0.98	G0V	0.037	1.47	0.14	0.34	0.83	1.36
	TrES-3	1.92	1.3	1.1	0.92	G	0.023	1.81	0.22	0.52	1.26	2.08
	WASP-4 b	1.12	1.42	0.49	0.9	G7V	0.023	2.32	1.09	2.60	5.97	9.33
	WASP-5 b	1.58	1.09	1.51	0.97	G4V	0.027	1.55	0.11	0.28	0.68	1.12
	WASP-6 b	0.5	1.22	0.34	0.88	G8	0.042	1.57	0.66	1.60	3.76	6.04
	WASP-8 b	2.23	1.17	1.73	1.00	G6	0.079	1.13	0.006	0.014	0.034	0.057
	WASP-9 b	2.30	1.30	1.30	1.01	G0	0.031	1.49	0.07	0.16	0.39	0.65
	X0-1 b	0.9	1.18	0.67	1	G1V	0.049	1.35	0.12	0.29	0.69	1.15
	X0-5 b	1.08	1.09	1.04	0.88	G8V	0.049	1.28	0.06	0.15	0.36	0.59
K
	HAT-P-11 b	0.08	0.42	1.34	0.81	K4	0.053	1.22	0.16	0.53	0.97	1.59
	HAT-P-3 b	0.6	0.89	1.05	0.94	K	0.039	1.38	0.07	0.17	0.41	0.68
	HAT-P-12 b	0.21	0.96	0.30	0.73	${\rm K^{x}}$	0.038	1.63	1.01	2.46	5.60	8.82
	HD 189733 b	1.13	1.14	0.95	0.8	K1-K2	0.031	1.51	0.07	0.18	0.42	0.70
	Lupus-TR-3 b	0.81	0.89	1.43	0.87	K1V	0.046	1.26	0.02	0.06	0.15	0.24
	OGLE-TR-111 b	0.53	1.07	0.54	0.82	K	0.047	1.37	0.10	0.26	0.62	1.02
	OGLE-TR-113 b	1.32	1.09	1.27	0.78	K	0.023	1.69	0.10	0.23	0.56	0.93
	TrES-1	0.61	1.08	0.6	0.87	K0V	0.039	1.48	0.13	0.32	0.76	1.26
	WASP-10 b	3.06	1.08	3.01	0.71	K5	0.037	1.23	0.01	0.01	0.03	0.05
	WASP-11 b	0.46	1.05	0.5	0.82	K3V	0.044	1.43	0.15	0.38	0.91	1.51
	WASP-2 b	0.88	1.02	1.04	0.84	K1V	0.031	1.5	0.08	0.21	0.49	0.82
	X0-2 b	0.57	0.97	0.77	0.98	K0V	0.037	1.48	0.12	0.30	0.71	1.18
M
	GJ 436 b	0.07	0.44	1.06	0.45	M2.5	0.029	1.41	0.43	1.41	2.51	4.08

Spectral types that are roughly estimated corresponding to the mass sequence are indicated with a superscript x. The lost mass is calculated over a period of 4 Gyr for three different values of heating efficiency (10%, 25%, 60%, 100%). The planetary densities and the Roche lobe related mass loss enhancement factor $\zeta$ are also given.

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