WASP-118 Overview

WASP-118 1.92 R_⦿ 6078.63 K

WASP-118 b

1.440 R_Jup

Overview Parameters Nearby Data Bibliography 12 Legend Expand All

WASP-118 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
WASP-118
WASP-118 b	4.05 d	16.14 R_⨁	Transit	2016	Hay et al. 2016	Confirmed Planet

WASP-118 Stellar Parameters (7 Solutions)

RA: 01h18m12.14s

Dec: +02d42m10.02s

Distance: 376.658+11.199-10.580
pc

Parallax: 2.6279300±0.0761286 mas

Ecliptic Latitude: -5.14634 deg

Ecliptic Longitude: 19.06826 deg

Galactic Latitude: -59.47876 deg

Galactic Longitude: 136.18028 deg

Total Proper Motion: 14.8009732±0.0718384 mas/yr

Proper Motion (RA): 2.4612400±0.0836061 mas/yr

Proper Motion (Dec): -14.5949000±0.0714754 mas/yr

Photometry: m_V
11.009±0.013; m_TESS
10.5559±0.0069; m_J
10.087±0.026; m_H
9.847±0.023; m_Ks
9.788±0.021; m_Kep
10.934; m_W1
9.749±0.022; m_W2
9.783±0.020; m_W3
9.765±0.052; m_W4
8.399; m_Gaia
10.919600±0.000377; m_B
11.622±0.192

Mission: K2 : Observed in Campaign 8

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; TOI; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	TICv8	Gajdoš et al. 2019	Gaia DR2	Močnik et al. 2017	Hay et al. 2016	Petigura et al. 2018	ExoFOP
T_eff (K)	6404.000+145.185-100.923	---	6078.6333+283.5770-135.7330	---	6410±125	---	6404.0±123.1
L_✶ (log₁₀(L_⦿))	0.6964934+0.0338880-0.0310369	---	0.65885184+0.01550040-0.01607416	---	---	---	---
γ (km/s)	---	---	7.521217331021582±0.584132812514829	---	5.8826±0.0038	---	---
R_✶ (R_⦿)	1.8113300+0.0882492-0.1048660	1.696±0.029	1.9251593+0.0889439-0.1677920	1.754±0.016	1.696±0.029	1.38	1.81±0.10
Metallicity (dex)	---	---	---	---	0.16±0.10 [Fe/H]	---	---
v sin i (km/s)	---	---	---	---	9.680±1.140	---	---
Age (Gyr)	---	---	---	2.3±0.5	1.17+5.72-0.75	---	---
ρ_✶ (g/cm³)	0.3060310+0.0917540-0.0550169	---	---	0.3447±0.0034	0.382±0.017	---	---
M_✶ (M_⦿)	1.290000+0.195831-0.195846	1.320±0.035	---	1.319±0.035	1.320±0.035	---	---
log g (log₁₀(cm/s²))	4.0326600+0.1033800-0.0689381	---	---	---	4.100±0.012	---	4.03±0.09
Sp. T	---	F6	---	---	F6	---	---
P_rot (days)	---	---	---	---	6.12±1.11	---	---

WASP-118 b Planetary Parameters (7 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; K2 Planets and Candidates; Transit

Source	Hay et al. 2016	Kokori et al. 2023	Ivshina & Winn 2022	Gajdoš et al. 2019	Močnik et al. 2017	Petigura et al. 2018	ExoFOP
T_eq (K)	1729±36	---	---	---	1753±34	---	2509
b	0.16±0.10	---	---	0.017±0.021	0.206±0.015	0.04 +0.04-0.03	---
M_p (M_⨁)	163±6	---	---	---	165±57	---	---
M_p (M_Jup)	0.514±0.020	---	---	---	0.52±0.18	---	---
e	0	---	---	---	0	---	---
i (deg)	88.70±0.90	88.24±0.14	---	89.86±0.18	88.24±0.14	---	---
P (days)	4.0460435±0.0000044	4.04605063±0.00000094	4.0460496±0.0000010	4.0460654±0.0000043	4.0460407±0.0000026	4.046005 +0.000019-0.000018	4.0460644±0.0000132
ρ (g/cm³)	0.233±0.024	---	---	---	0.256±0.088	---	---
R_p (R_⨁)	16.14±0.40	---	---	14.940±0.268	15.63±0.15	12.0 +1.2-0.9	18.28510±1.60389
R_p (R_Jup)	1.440±0.036	---	---	1.3329±0.0239	1.394±0.013	1.07 +0.11-0.08	1.631290±0.143090
a (au)	0.05453±0.00048	---	---	0.05356±0.00099	0.05450±0.00049	---	---
δ (%)	0.755±0.019	---	---	0.649±0.001	0.6679±0.0010	---	0.800400±0.117333
T₁₄ (hours)	4.805±0.046	---	---	4.949±0.005	4.9114±0.0024	4.92960+0.00960-0.00960	5.824±1.078
T_C (days)	2456787.81423±0.00062 (HJD)	2457888.34009±0.00021 (BJD-TDB)	2459450.11564±0.00026 (BJD-TDB)	2456787.81249±0.00068 (BJD)	2457423.044825±0.000020 (BJD)	2457394.72301 +0.000193-0.000200 (BJD)	2460226.9558840±0.0024571 (BJD)
R_p/R_✶	---	0.08173±0.00006	---	0.08059±0.00003	---	0.0803±0.0001	---
S (S_⨁)	---	---	---	---	---	---	6586.47
a/R_✶	6.920+0.107-0.104	6.707±0.015	---	6.776±0.006	---	---	---
ω (deg)	0	---	---	---	---	---	---
K (m/s)	54.6±1.9	---	---	---	---	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 1 Associated Literature Data

Bibliography (12 References)

ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 Reference Overview
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
WASP-92, WASP-93, and WASP-118: transit timing variations and long-term stability of the systems
Gajdoš et al. 2019 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview
Starspots on WASP-107 and pulsations of WASP-118
Močnik et al. 2017 Reference Overview
ExoFOP TOI Table
ExoFOP
WASP-92b, WASP-93b and WASP-118b: three new transiting close-in giant planets
Hay et al. 2016 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog 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

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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