Analytical modeling of helium absorption signals of isothermal atmospheric escape

Home

All issues

Volume 707 (March 2026)

A&A, 707 (2026) A373

Full HTML

Open Access

Table B.1

Low-mass planet samples from MOPYS (Orell-Miquel et al. 2024).

Planet	P (day)	R_p (R_⊕)	M_p (M_⊕)	Age (Gyr)	M_* (M_⊙)	R_* (R_⊙)	T_eff (K)	D_He (percentile)	F_XUV (W m⁻²)	EW_He (mÅ)	EW_pred (mÅ)
55_Cnc_e	0.7365	1.875 ± 0.029	${7.99}_{- 0.33}^{+ 0.32}$ $Mathematical equation: $7.99^{+0.32}_{-0.33}$$	10.2 ± 2.5	0.905 ± 0.015	0.943 ± 0.01	5172 ± 18	<0.025	4.57	<0.27	162
AU_Mic_b	8.463	4.16 ± 0.18	11.7 ± 5.0	0.022 ± 0.003	0.5 ± 0.03	0.75 ± 0.03	3700 ± 100	<0.34	22.9	<3.7	1.91 × 10³
GJ436_b	2.6441	4.19 ± 0.1	23.14 ± 0.76	${6.0}_{- 3.0}^{+ 4.0}$ $Mathematical equation: $6.0^{+4.0}_{-3.0}$$	0.445 ± 0.044	0.449 ± 0.019	3479 ± 60	<0.41	0.145	<1.45	0.0972
GJ806_b	0.9263	1.331 ± 0.023	1.9 ± 0.17	${4.0}_{- 3.0}^{+ 4.0}$ $Mathematical equation: $4.0^{+4.0}_{-3.0}$$	0.413 ± 0.011	0.4144 ± 0.0038	3600 ± 16	<0.7	1.62	<7.4	0.151
GJ1214_b	1.5804	${2.742}_{- 0.053}^{+ 0.05}$ $Mathematical equation: $2.742^{+0.05}_{-0.053}$$	8.17 ± 0.43	${3.0}_{- 0.0}^{+ 7.0}$ $Mathematical equation: $3.0^{+7.0}_{-0.0}$$	0.178 ± 0.01	0.215 ± 0.008	3250 ± 100	$< {2.1}_{- 0.5}^{+ 0.45}$ $Mathematical equation: $<2.1^{+0.45}_{-0.5}$$	0.2951	$< {28.9}_{- 8.5}^{+ 9.4}$ $Mathematical equation: $<28.9^{+9.4}_{-8.5}$$	0.519
GJ3470_b	3.3366	4.04 ± 0.11	11.44 ± 0.64	1.65 ± 1.4	0.476 ± 0.019	0.474 ± 0.014	3725 ± 54	1.5 ± 0.3	1.44	20.72 ± 1.3	18.9
GJ9827_b	1.209	1.529 ± 0.058	4.87 ± 0.37	${10.0}_{- 5.0}^{+ 3.0}$ $Mathematical equation: $10.0^{+3.0}_{-5.0}$$	0.593 ± 0.018	0.579 ± 0.018	4294 ± 52	<0.21	0.72	<1.86	7.3
GJ9827_d	6.2018	1.955 ± 0.075	3.42 ± 0.62	${10.0}_{- 5.0}^{+ 3.0}$ $Mathematical equation: $10.0^{+3.0}_{-5.0}$$	0.593 ± 0.018	0.579 ± 0.018	4294 ± 52	<0.3	0.081	<1.24	0.00172
HD63433_b	7.1079	${2.141}_{- 0.067}^{+ 0.09}$ $Mathematical equation: $2.141^{+0.09}_{-0.067}$$	5.5 ± 2.3	0.414 ± 0.023	0.956 ± 0.022	0.934 ± 0.029	5553 ± 56	<0.34	10.3	<2.0	1.9
HD63433_c	20.5438	${2.69}_{- 0.09}^{+ 0.11}$ $Mathematical equation: $2.69^{+0.11}_{-0.09}$$	${15.5}_{- 3.8}^{+ 3.9}$ $Mathematical equation: $15.5^{+3.9}_{-3.8}$$	0.414 ± 0.023	0.956 ± 0.022	0.934 ± 0.029	5553 ± 56	<0.4	2.5	<4.2	11.3
HD73583_b	6.398	2.79 ± 0.1	${10.2}_{- 3.1}^{+ 3.4}$ $Mathematical equation: $10.2^{+3.4}_{-3.1}$$	0.49 ± 0.19	0.71 ± 0.02	0.66 ± 0.02	4511 ± 110	0.72 ± 0.08	3.1	8.6 ± 0.6	46.3
HD73583_c	18.8797	2.39 ± 0.1	${9.7}_{- 1.7}^{+ 1.8}$ $Mathematical equation: $9.7^{+1.8}_{-1.7}$$	0.49 ± 0.19	0.71 ± 0.02	0.66 ± 0.02	4511 ± 110	<0.5	0.7	<5.3	3.26
HD97658_b	9.4893	${2.247}_{- 0.095}^{+ 0.098}$ $Mathematical equation: $2.247^{+0.098}_{-0.095}$$	${7.55}_{- 0.79}^{+ 0.83}$ $Mathematical equation: $7.55^{+0.83}_{-0.79}$$	6.0 ± 1.0	0.77 ± 0.05	0.741 ± 0.024	$5170_{- 0}^{+ 50}$ $Mathematical equation: $5170^{+50}_{-0}$$	<0.21	0.128	<0.9	0.594
HD235088_b	7.4341	2.045 ± 0.075	7.0 ± 2.0	${0.65}_{- 0.05}^{+ 0.15}$ $Mathematical equation: $0.65^{+0.15}_{-0.05}$$	0.843 ± 0.05	0.789 ± 0.021	5037 ± 14	${0.91}_{- 0.1}^{+ 0.11}$ $Mathematical equation: $0.91^{+0.11}_{-0.1}$$	1.854	${9.5}_{- 1.0}^{+ 1.1}$ $Mathematical equation: $9.5^{+1.1}_{-1.0}$$	33
HAT-P-11_b	4.8878	4.36 ± 0.06	27.7 ± 3.1	${6.5}_{- 4.1}^{+ 5.9}$ $Mathematical equation: $6.5^{+5.9}_{-4.1}$$	0.802 ± 0.028	0.683 ± 0.009	4780 ± 50	1.08 ± 0.05	2.109	12.4 ± 2.4	4.96
LTT9779_b	0.792	4.72 ± 0.23	${28.32}_{- 0.81}^{+ 0.78}$ $Mathematical equation: $28.32^{+0.78}_{-0.81}$$	$2_{- 0.9}^{+ 1.3}$ $Mathematical equation: $2^{+1.3}_{-0.9}$$	1.02 ± 0.03	0.949 ± 0.006	5443 ± 14	<0.2	4.8	<3.79	60.7
TOI-1136_d	12.5194	${4.626}_{- 0.072}^{+ 0.076}$ $Mathematical equation: $4.626^{+0.076}_{-0.072}$$	${8.0}_{- 1.9}^{+ 2.4}$ $Mathematical equation: $8.0^{+2.4}_{-1.9}$$	0.7 ± 0.15	1.022 ± 0.027	0.968 ± 0.036	5770 ± 50	<0.5	N	<5.4	6.97
TOI-1235_b	3.4447	${1.694}_{- 0.077}^{+ 0.08}$ $Mathematical equation: $1.694^{+0.08}_{-0.077}$$	${5.9}_{- 0.61}^{+ 0.62}$ $Mathematical equation: $5.9^{+0.62}_{-0.61}$$	${5.0}_{- 4.4}^{+ 5.0}$ $Mathematical equation: $5.0^{+5.0}_{-4.4}$$	0.63 ± 0.024	0.619 ± 0.019	3997 ± 51	<0.09	N	<1.44	76.3
TOI-1683_b	3.0575	2.3 ± 0.3	8.0 ± 3.0	${2.0}_{- 0.9}^{+ 1.3}$ $Mathematical equation: $2.0^{+1.3}_{-0.9}$$	0.69 ± 0.09	0.636 ± 0.03	4539 ± 100	0.84 ± 0.17	7.4	8.5 ± 1.6	197
TOI-1728_b	3.4914	4.62 ± 0.09	${26.8}_{- 5.1}^{+ 5.4}$ $Mathematical equation: $26.8^{+5.4}_{-5.1}$$	7.1 ± 4.6	0.646 ± 0.023	0.6243 ± 0.01	$3980_{- 32}^{+ 31}$ $Mathematical equation: $3980^{+31}_{-32}$$	<1.1	N	<11.7	9.45
TOI-1807_b	0.5494	1.37 ± 0.09	2.57 ± 0.5	0.3 ± 0.08	0.75 ± 0.025	0.68 ± 0.015	$4757_{- 50}^{+ 51}$ $Mathematical equation: $4757^{+51}_{-50}$$	<0.38	3.05	<4.0	2.28
TOI-2018_b	7.4356	2.268 ± 0.069	9.2 ± 2.1	${2.4}_{- 0.8}^{+ 0.2}$ $Mathematical equation: $2.4^{+0.2}_{-0.8}$$	0.57 ± 0.02	0.62 ± 0.01	$4174_{- 42}^{+ 34}$ $Mathematical equation: $4174^{+34}_{-42}$$	${1.02}_{- 0.22}^{+ 0.19}$ $Mathematical equation: $1.02^{+0.19}_{-0.22}$$	1.56	7.8 ± 1.5	10.6
TOI-2048_b	13.7905	2.6 ± 0.2	9.0 ± 3.0	0.3 ± 0.05	0.83 ± 0.03	0.79 ± 0.04	5185 ± 60	<1.0	N	<10.2	933
TOI-2076_b	10.3557	2.52 ± 0.056	9.0 ± 3.0	0.34 ± 0.08	0.824 ± 0.036	0.77 ± 0.006	5200 ± 70	1.01 ± 0.05	6.7	10.0 ± 0.7	195
TOI-2134_b	9.2292	2.69 ± 0.16	${9.13}_{- 0.76}^{+ 0.78}$ $Mathematical equation: $9.13^{+0.78}_{-0.76}$$	${3.8}_{- 2.7}^{+ 5.5}$ $Mathematical equation: $3.8^{+5.5}_{-2.7}$$	0.744 ± 0.027	0.709 ± 0.017	4580 ± 54	0.38 ± 0.05	0.46	3.3 ± 0.3	3.51
TOI-2136_b	7.8519	2.2 ± 0.07	${4.7}_{- 2.6}^{+ 3.1}$ $Mathematical equation: $4.7^{+3.1}_{-2.6}$$	4.6 ± 1.0	0.3272 ± 0.0082	0.344 ± 0.0099	3373 ± 108	<1.44	N	<7.8	0.404
TRAPPIST-1_b	1.5109	1.086 ± 0.035	0.85 ± 0.72	7.6 ± 2.2	0.0802 ± 0.0073	0.117 ± 0.0036	2550 ± 50	<0.33	0.7244	<3.467	0.0578
TRAPPIST-1_e	6.0996	0.918 ± 0.039	0.62 ± 0.58	7.6 ± 2.2	0.0802 ± 0.0073	0.117 ± 0.0036	2550 ± 50	<1.07	0.112	<10.458	0.00185
TRAPPIST-1_f	9.2067	1.045 ± 0.038	0.68 ± 0.18	7.6 ± 2.2	0.0802 ± 0.0073	0.117 ± 0.0036	2550 ± 50	<0.38	0.0645	<4.143	0.00103
K2-25_b	3.4846	3.43 ± 0.12	${28.5}_{- 8.3}^{+ 8.5}$ $Mathematical equation: $28.5^{+8.5}_{-8.3}$$	0.725 ± 0.075	0.294 ± 0.021	0.295 ± 0.02	3180 ± 60	<1.7	N	<17.0	99.3
K2-77_b	8.1998	2.3 ± 0.16	${9.0}_{- 1.0}^{+ 600.0}$ $Mathematical equation: $9.0^{+600.0}_{-1.0}$$	${0.12}_{- 0.02}^{+ 0.78}$ $Mathematical equation: $0.12^{+0.78}_{-0.02}$$	0.8 ± 0.12	0.76 ± 0.03	4970 ± 45	<2.7	13.45	<28.0	406
K2-100_b	1.6739	3.88 ± 0.16	21.8 ± 6.2	0.7 ± 0.1	1.15 ± 0.05	1.24 ± 0.05	5945 ± 110	<1.3	141.253	<5.7	1.21 × 10⁴
K2-105_b	8.267	${3.59}_{- 0.07}^{+ 0.11}$ $Mathematical equation: $3.59^{+0.11}_{-0.07}$$	30.0 ± 19.0	${5.0}_{- 4.4}^{+ 8.0}$ $Mathematical equation: $5.0^{+8.0}_{-4.4}$$	1.05 ± 0.02	0.97 ± 0.01	$5636_{- 52}^{+ 49}$ $Mathematical equation: $5636^{+49}_{-52}$$	<2.33	14.69	<24.7	28.5
K2-136_c	17.307	3.0 ± 0.13	${18.1}_{- 1.9}^{+ 1.8}$ $Mathematical equation: $18.1^{+1.8}_{-1.9}$$	0.65 ± 0.07	0.742 ± 0.02	0.677 ± 0.027	4500 ± 50	<2.3	0.5888	<25.0	0.633
Kepler-25_c	12.7204	${5.217}_{- 0.065}^{+ 0.07}$ $Mathematical equation: $5.217^{+0.07}_{-0.065}$$	${15.2}_{- 1.6}^{+ 1.3}$ $Mathematical equation: $15.2^{+1.3}_{-1.6}$$	2.75 ± 0.3	1.26 ± 0.03	1.34 ± 0.01	6354 ± 27	<1.86	1.019	<19.8	52.1
Kepler-68_b	5.3988	${2.31}_{- 0.09}^{+ 0.06}$ $Mathematical equation: $2.31^{+0.06}_{-0.09}$$	${8.3}_{- 2.4}^{+ 2.2}$ $Mathematical equation: $8.3^{+2.2}_{-2.4}$$	6.3 ± 1.7	1.079 ± 0.051	1.243 ± 0.019	5793 ± 74	<0.72	1.176	<7.6	37.9
WASP-47_d	9.0305	3.567 ± 0.045	14.2 ± 1.3	${6.5}_{- 1.2}^{+ 2.6}$ $Mathematical equation: $6.5^{+2.6}_{-1.2}$$	1.04 ± 0.031	1.137 ± 0.013	5552 ± 75	<3.29	0.577	<34.9	7.46

Notes. EW_pred represents our model predictions. The symbol “N” denotes that the value of F_XUV is not available from MOPYS dataset.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.