Planet TOI-396A b

Detailed information about planet TOI-396A b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-396A b
Planet Status
Confirmed
Discovered in
2019
Publication
Status
Published in a refereed paper
Update
2024-11-25
Mass
0.01117 ( ± 0.00302 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.0489 ( ± 0.0007 ) AU
Orbital Period
3.585287 ( ± 1.2e-05 ) day
Eccentricity
0.3 ( +0.0 -0.3 )
Angular distance
—
ω
—
Tperi
—
Radius
0.178 ( ± 0.00419 ) RJ
Inclination
86.0 ( ± 0.26 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458409.19 ( ± 0.001 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.59 ( ± 0.028 )
Time Vr=0
—
Velocity Semiamplitude K
1.3 ( ± 0.35 ) m/s
Calculated temperature
1552.0 ( ± 23.0 ) K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
HD 17926 Ab, HR 858A b
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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