Planet TOI-3984 Ab

Detailed information about planet TOI-3984 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-3984 Ab
Planet Status
Confirmed
Discovered in
2023
Publication
Status
—
Update
2025-05-06
Mass
0.138 ( +0.0274 -0.025 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.041 ( ± 0.002 ) AU
Orbital Period
4.353326 ( ± 5e-06 ) day
Eccentricity
0.04 ( ± 0.05 )
Angular distance
—
ω
306.0 ( +189.0 -1.8 ) deg
Tperi
—
Radius
0.71 ( ± 0.02 ) RJ
Inclination
89.5 ( ± 0.2 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2459715.02268 ( ± 9e-05 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.18 ( ± 0.07 )
Time Vr=0
—
Velocity Semiamplitude K
27.7 ( ± 5.4 ) m/s
Calculated temperature
563.0 ( ± 16.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

See also Planets in Binaries webpage.

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Star

Name
TOI-3984 A
Distance
108.4 ( +0.3 -0.2 ) pc
Spectral type
M1V
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.49 ( ± 0.02 ) MSun
Age
2.9 ( ± 2.2 ) Gyr
Effective temperature
3476.0 ( ± 88.0 ) K
Radius
0.47 ( ± 0.01 ) RSun
Metallicity [Fe/H]
0.18 ( ± 0.12 )
Detected Disc
—
Magnetic Field
—
RA2000
15:05:21.0
Dec2000
+36:47:13.0
Alternate Names
—

Canas et al. (2023): a white dwarf companion lies 579 AUs away.

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