WASP-117 | NASA Exoplanet Archive

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
WASP-117
WASP-117 b	10.02 d	11.88 R_⨁	Transit	2014	Lendl et al. 2014	Confirmed Planet

WASP-117 Stellar Parameters (6 Solutions)

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RA: 02h27m06.19s

Dec: -50d17m03.93s

Distance: 157.963+0.636-0.632
pc

Parallax: 6.3017600±0.0252184 mas

Ecliptic Latitude: -59.08374 deg

Ecliptic Longitude: 5.02072 deg

Galactic Latitude: -60.52943 deg

Galactic Longitude: 271.16031 deg

Total Proper Motion: 64.8627232±0.0379780 mas/yr

Proper Motion (RA): 59.9580000±0.0383035 mas/yr

Proper Motion (Dec): 24.7429000±0.0360075 mas/yr

Photometry: m_V
10.139±0.005; m_TESS
9.6411±0.0060; m_J
9.143±0.022; m_H
8.860±0.024; m_Ks
8.780±0.021; m_W1
8.749±0.022; m_W2
8.791±0.019; m_W3
8.761±0.027; m_W4
8.772±0.356; m_Gaia
10.026900±0.000301; m_B
10.743±0.067

Abundances (Hypatia Catalog): [Fe/H] -0.15±0.04 dex; [C/H] -0.18±0.09 dex; [O/H] -0.19±0.09 dex

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; TOI; Stellar Hosts

Source	TICv8	Gaia DR2	Bonomo et al. 2017	Stassun et al. 2017	Lendl et al. 2014	ExoFOP
T_eff (K)	5984.900+159.024-77.659	5990.10+140.20-122.65	6040±90	6040±90	6038±88	6038
Metallicity (dex)	-0.36±0.09 [M/H]	---	-0.110±0.140 [Fe/H]	-0.11 [Fe/H]	-0.11±0.14 [Fe/H]	---
ρ_✶ (g/cm³)	0.7477437+0.1723231-0.1305440	---	---	1.00±0.17	0.99±0.14	---
M_✶ (M_⦿)	1.100000+0.168199-0.103049	---	1.126±0.029	1.29±0.30	1.129±0.029	---
R_✶ (R_⦿)	1.2752700+0.0593613-0.0575734	1.2490329+0.0527639-0.0564775	1.170+0.067-0.059	1.22±0.06	1.170 +0.067-0.059	1.2752699851989746±0.0584674000000000
log g (log₁₀(cm/s²))	4.2682600+0.0750029-0.0724769	---	---	4.28±0.16	4.28±0.16	4.35513
v sin i (km/s)	---	---	1.67+0.31-0.24	---	1.67 +0.31-0.24	---
Age (Gyr)	---	---	4.6±2.0	---	4.6±2.0	---
γ (km/s)	---	-16.02419007234460±0.31474251232545	---	---	-16.03292 +0.00060-0.00095	---
Sp. T	---	---	---	---	F9	---
L_✶ (log₁₀(L_⦿))	0.27412597+0.02118334-0.01355433	0.25757875+0.00295463-0.00297485	---	---	---	---

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WASP-117 b Planetary Parameters (8 Solutions)

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Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; Transit; Atmospheric Spectroscopy

Source	Stassun et al. 2017	Kokori et al. 2023	Patel & Espinoza 2022	Ivshina & Winn 2022	Mallonn et al. 2019	Bonomo et al. 2017	Lendl et al. 2014	ExoFOP
a/R_✶	17.43±0.98	17.4±0.8	16.93+0.39-0.35	---	---	---	17.39±0.81	---
ω (deg)	---	242.0+2.3-2.7	---	---	---	241.5+2.8-3.2	242.0 +2.3-2.7	---
e	0.30±0.02	0.302±0.023	---	---	---	0.300±0.026	0.302±0.023	---
i (deg)	89.14±0.30	89.1±0.3	---	---	---	89.14±0.30	89.14±0.30	---
P (days)	10.02165±0.00055	10.0205933±0.0000029	10.0205927+0.0000045-0.0000047	10.0205929±0.0000032	10.020607±0.000011	10.02165±0.00055	10.02165±0.00055	10.020598100361862±0.000002835219200
R_p/R_✶	---	0.090±0.003	0.0865+0.0006-0.0007	---	---	---	---	---
T_C (days)	---	2458728.334175±0.000068 (BJD-TDB)	2459139.17818+0.00024-0.00025 (BJD)	2457946.72794±0.00028 (BJD-TDB)	2457355.51373±0.00055 (BJD-TDB)	2456533.82401±0.00093 (BJD-TDB)	2456533.82326 +0.00095-0.00090 (HJD)	2458357.57181100±0.00023248 (BJD)
b	---	---	0.435+0.041-0.052	---	---	---	0.32 +0.09-0.11	---
T_eq (K)	---	---	---	---	---	---	1001 +29-32	972.9644760554562
M_p (M_⨁)	95±16	---	---	---	---	87.75+3.15-3.05	87.5585±2.8603	---
M_p (M_Jup)	0.30±0.05	---	---	---	---	0.2761+0.0099-0.0096	0.2755±0.0090	---
ρ (g/cm³)	---	---	---	---	---	0.341+0.078-0.061	0.3445 +0.0718-0.0638	---
R_p (R_⨁)	11.9±0.8	---	---	---	---	11.44+0.85-0.73	11.444 +0.852-0.729	11.944377924136703±0.549776850000000
R_p (R_Jup)	1.06±0.07	---	---	---	---	1.021+0.076-0.065	1.021 +0.076-0.065	1.0656078588962778±0.0490478897871597
K (m/s)	25.2±0.7	---	---	---	---	25.21+0.79-0.73	25.16±0.69	---
a (au)	---	---	---	---	---	0.09464±0.00082	0.09459 +0.00084-0.00079	---
δ (%)	0.800±0.052	---	---	---	---	---	0.803 +0.055-0.048	0.82400214462552±0.00333158260000
T₁₄ (hours)	---	---	---	---	---	---	5.9400 +0.0792-0.0696	5.850846243414526±0.024924131000000
λ (deg)	---	---	---	---	---	---	44±11	---
ψ (deg)	---	---	---	---	---	---	69.6 +4.7-4.1	---
S (S_⨁)	---	---	---	---	---	---	---	211.79170070655573

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Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 2MASS Point Source Catalog

Data Files: 1 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (14 References)

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ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 Reference Overview
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 Reference Overview
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 Reference Overview
Indications for very high metallicity and absence of methane in the eccentric exo-Saturn WASP-117b
Carone et al. 2021 Reference Overview
WASP-117 b: An Eccentric Hot Saturn as a Future Complex Chemistry Laboratory
Anisman et al. 2020 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Ephemeris refinement of 21 hot Jupiter exoplanets with high timing uncertainties
Mallonn et al. 2019 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
ExoFOP TOI Table
ExoFOP
The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
Bonomo et al. 2017 Reference Overview
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview
WASP-117b: a 10-day-period Saturn in an eccentric and misaligned orbit
Lendl et al. 2014 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview

Legend

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System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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