Planet WASP-81 c

Detailed information about planet WASP-81 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
WASP-81 c
Planet Status
Confirmed
Discovered in
2016
Publication
Status
—
Update
2016-12-27
Mass
—
Mass*sin(i)
56.6 ( +0.2 -0.2 ) MJ
Semi-Major Axis
2.426 ( +0.044 -0.045 ) AU
Orbital Period
1297.0 ( +8.1 -7.8 ) day
Eccentricity
0.557 ( ± 0.0044 )
Angular distance
—
ω
321.86 ( +0.052 -0.0051 ) deg
Tperi
—
Radius
—
Inclination
—
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2456936.5 ( +2.6 -2.5 ) JD
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
1169.3 ( +6.9 -6.6 ) m/s
Calculated temperature
—
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

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Star

Name
WASP-81
Distance
410.0 ( ± 70.0 ) pc
Spectral type
G1
Apparent magnitude V
—
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
1.08 ( +0.059 -0.058 ) MSun
Age
—
Effective temperature
5870.0 ( ± 120.0 ) K
Radius
1.283 ( +0.04 -0.037 ) RSun
Metallicity [Fe/H]
-0.36 ( ± 0.14 )
Detected Disc
—
Magnetic Field
—
RA2000
20:16:49.9
Dec2000
+03:17:38.7
Alternate Names
—

Triaud et al. (2016) : WASP-81A has a visual companion, however the pair is most likely unrelated.

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