EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 705 (January 2026) A&A, 705 (2026) A260 Full HTML
Open Access

Table 3

Best-fitting parameters of two systems under analysis.

Planetary parameters
TOI-521 b TOI-521 c* TOI-912 b
P (d) 1.54285047−0.0000008+0.0000010$\[1.54285047_{-0.0000008}^{+0.0000010}\]$ 20.35 ± 0.02 4.6780691 ± 0.0000017
T0 (TBJD)a 1492.7153 ± 0.0005 1489.3−1.7+1.5$\[1489.3_{-1.7}^{+1.5}\]$ 1628.4061 ± 0.0004
a/R⋆ 10.1−0.3+0.2$\[10.1_{-0.3}^{+0.2}\]$ 56.3−1.7+1.3$\[56.3_{-1.7}^{+1.3}\]$ 20.7−1.2+1.1$\[20.7_{-1.2}^{+1.1}\]$
a (AU) 0.0195 ± 0.0003 0.109 ± 0.002 0.041 ± 0.001
Rp/R⋆ 0.0431 ± 0.0009 − 0.0421−0.0007+0.0008$\[0.0421_{-0.0007}^{+0.0008}\]$
Rp (R⊕) 1.98 ± 0.14 − 1.93 ± 0.13
b 0.24−0.14+0.11$\[0.24_{-0.14}^{+0.11}\]$ - 0.34−0.22+0.18$\[0.34_{-0.22}^{+0.18}\]$
i (deg) 88.6−0.7+0.8$\[88.6_{-0.7}^{+0.8}\]$ − 88.7−0.6+0.8$\[88.7_{-0.6}^{+0.8}\]$
T14 (h) 1.18 ± 0.01 − 1.7 ± 0.1
e 0 (fixed) 0 (fixed) 0.58 ± 0.02
ω (deg) 90 (fixed) 90 (fixed) −169−6+9$\[-169_{-6}^{+9}\]$
K (m s−1) 5.26−0.98+0.95$\[5.26_{-0.98}^{+0.95}\]$ 4.5 ± 1.0 4.29−0.37+0.39$\[4.29_{-0.37}^{+0.39}\]$
Mp (M⊕) 5.3 ± 1.0 − 5.1 ± 0.5
Mp sin i (M⊕) − 10.7−2.4+2.5$\[10.7_{-2.4}^{+2.5}\]$ −
ρp (g cm−3) 3.8 ± 1.1 − 4.0 ± 0.9
ρ/ρ⊕ 0.68 ± 0.19 − 0.72 ± 0.16
Sp (S⊕) 66 ± 12 2.1 ± 0.4 15 ± 3
Teqb$\[T_{\mathrm{eq}}^b\]$ (K) 794 ± 35 336 ± 15 551 ± 27
gpc$\[g_{\mathrm{p}}^c\]$ (m s−2) 13 ± 3 − 13 ± 2
Stellar parameters
ρ⋆ (ρ⊙) 5.8−0.5+0.4$\[5.8_{-0.5}^{+0.4}\]$ 5.5 ± 0.5
u1,TESS 0.15−0.08+0.09$\[0.15_{-0.08}^{+0.09}\]$ 0.21 ± 0.08
u2,TESS 0.42 ± 0.10 0.45 ± 0.09
u1,RG715 − 0.19−0.09+0.10$\[0.19_{-0.09}^{+0.10}\]$
u2,RG715 − 0.26 ± 0.10
u1,g′ 0.25−0.10+0.09$\[0.25_{-0.10}^{+0.09}\]$ 0.24 ± 0.09
u2,g′ 0.51−0.10+0.09$\[0.51_{-0.10}^{+0.09}\]$ 0.47 ± 0.10
u1,r′ 0.23−0.14+0.16$\[0.23_{-0.14}^{+0.16}\]$ 0.26 ± 0.10
u2,r′ 0.43−0.18+0.17$\[0.43_{-0.18}^{+0.17}\]$ 0.34 ± 0.10
u1,i′ 0.20−0.12+0.14$\[0.20_{-0.12}^{+0.14}\]$ 0.26 ± 0.10
u2,i′ 0.27−0.17+0.18$\[0.27_{-0.17}^{+0.18}\]$ 0.34 ± 0.10
u1,z′ 0.17 ± 0.09 0.18−0.09+0.10$\[0.18_{-0.09}^{+0.10}\]$
u2,z′ 0.24 ± 0.10 0.23 ± 0.10
u1,ExTrA − 0.11−0.07+0.08$\[0.11_{-0.07}^{+0.08}\]$
u2,ExTrA − 0.18 ± 0.09
σj,ESPRESSO (m s−1) 2.6−0.6+0.7$\[2.6_{-0.6}^{+0.7}\]$ 0.5 ± 0.3
γESPRESSO (m s−1) −9552.6 ± 0.7 2.7 ± 1.0
σj,HARPS (m s−1) − 0.9−0.6+0.9$\[0.9_{-0.6}^{+0.9}\]$
γHARPS (m s−1) − 11032.4−0.9+1.0$\[11032.4_{-0.9}^{+1.0}\]$
σj,IRD (m s−1) 11−1+2$\[11_{-1}^{+2}\]$ −
γIRD (m s−1) −2.8−1.7+1.8$\[-2.8_{-1.7}^{+1.8}\]$ −
GP hyper-parameters
Prot (d) − 45.9−0.2+0.6$\[45.9_{-0.2}^{+0.6}\]$
Pdec (m s−1) − 496−146+160$\[496_{-146}^{+160}\]$
w (m s−1) − 0.16 ± 0.01
AESPRESSO (m s−1) − 2.6−0.6+0.7$\[2.6_{-0.6}^{+0.7}\]$
AHARPS (m s−1) − 1.0−0.7+1.2$\[1.0_{-0.7}^{+1.2}\]$
AS–index (m s−1) − 0.8−0.1+0.2$\[0.8_{-0.1}^{+0.2}\]$

Notes. (*)Planet candidate (see Sect. 5.2). (a)BJD–2 457 000. (b)Teq =T⋆(R⋆2a)1/2[f(1−AB)]1/4$\[T_{\text {eq }}=T_{\star}\left(\frac{R_{\star}}{2 a}\right)^{1 / 2}\left[f\left(1-A_{\mathrm{B}}\right)\right]^{1 / 4}\]$, with f = 1 and AB = 0. (c)Surface gravity.

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.