Planet TOI-396 Ad

Detailed information about planet TOI-396 Ad and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-396 Ad
Planet Status
Confirmed
Discovered in
2019
Publication
Status
Published in a refereed paper
Update
2025-11-25
Mass
0.0223 ( ± 0.005 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.1046 ( ± 0.0014 ) AU
Orbital Period
11.230511 ( ± 4.5e-05 ) day
Eccentricity
0.28 ( +0.0 -0.28 )
Angular distance
—
ω
—
Tperi
—
Radius
0.18 ( ± 0.00571 ) RJ
Inclination
87.7 ( ± 0.1 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458409.7324 ( ± 0.0028 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.712 ( ± 0.026 )
Time Vr=0
—
Velocity Semiamplitude K
1.78 ( ± 0.4 ) m/s
Calculated temperature
1061.0 ( ± 16.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 17926 Ad, HR 858 Ad
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
HR 858 A
Distance
32.0 ( ± 0.15 ) pc
Spectral type
F8IV-V
Apparent magnitude V
6.4
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.145 ( +0.074 -0.08 ) MSun
Age
—
Effective temperature
6201.0 ( ± 50.0 ) K
Radius
1.31 ( +0.024 -0.022 ) RSun
Metallicity [Fe/H]
-0.14 ( ± 0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
02:51:56.0
Dec2000
-30:48:52.0
Alternate Names
HD 17926, TOI-396, TIC 178155732

An M dwarf companion star lies 265 AUs away.

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