EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 710 (June 2026) A&A, 710 (2026) A81 Full HTML
Open Access

Table 1

Characteristics of the KELT-9 planetary systema.

Host star parameters Value Unit Ref.
Mass, Ms 2.5−0.2+0.3Mathematical equation: $\[2.5_{-0.2}^{+0.3}\]$ M⊙ 1
Radius, Rs 2.36−0.06+0.08Mathematical equation: $\[2.36_{-0.06}^{+0.08}\]$ R⊙ 1
Luminosity, Ls 53−10+13Mathematical equation: $\[53_{-10}^{+13}\]$ L⊙ 1
Eff. temperature, Teff 10200 ± 500 K 1
Spectral type B9.5/A0 2
Planet parameters
Semi-major axis, a 0.03462−0.00093+0.00110Mathematical equation: $\[0.03462_{-0.00093}^{+0.00110}\]$ AU 1
Inclination, i 86.8 ± 0.3 deg 2
Period, P 1.4811235 ± 0.0000011 d 1
Trans. midpoint, ttrans 0.68572 ± 0.00014 BJDTDB 1
Mass, Mp 2.9 ± 0.8 MJup 1
Radius, Rp 1.89−0.05+0.01Mathematical equation: $\[1.89_{-0.05}^{+0.01}\]$ RJup 1
Equ. temperature, Teq 4050 ± 180 K 1

Notes. a Reported values were rounded to the respective significant figure. BJDTDB denotes the barycentric dynamical time, which was here reduced by 2 457 095 days. (1) Gaudi et al. (2017); (2) Hooton et al. (2018).

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.