Planet WASP-188 Ab

Detailed information about planet WASP-188 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
WASP-188 Ab
Planet Status
Confirmed
Discovered in
2025
Publication
Status
Published in a refereed paper
Update
2025-04-14
Mass
1.443 ( +0.296 -0.298 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.072 ( ± 0.003 ) AU
Orbital Period
5.748916 ( ± 3e-06 ) day
Eccentricity
0.0
Angular distance
—
ω
—
Tperi
—
Radius
1.322 ( ± 0.051 ) RJ
Inclination
85.88 ( ± 0.2 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
7033.12141 ( ± 0.001 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.61 ( ± 0.01 )
Time Vr=0
—
Velocity Semiamplitude K
124.63 ( +5.82 -6.49 ) m/s
Calculated temperature
1666.0 ( ± 70.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-5190 b, TOI-5190 Ab, TOI-5190.01
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type T5.5.

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Star

Name
WASP-188 A
Distance
675.281 ( ± 9.674 ) pc
Spectral type
F2IV-V
Apparent magnitude V
12.2
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.5 ( ± 0.09 ) MSun
Age
—
Effective temperature
6850.0 ( ± 125.0 ) K
Radius
1.83 ( ± 0.069 ) RSun
Metallicity [Fe/H]
0.0 ( ± 0.3 )
Detected Disc
—
Magnetic Field
—
RA2000
18:35:07.7
Dec2000
+36:36:56.3
Alternate Names
TOI-5190, TIC 100909102

Schanche et al. (2025) report Gaia DR3 2095929373136748928 as companion star 1.8 arcseconds away (1215 AUs at 675 pc). Magnitude difference in respect with host star suggests that the companion is much likely an M dwarf.

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