Planet ZTF J0038+2030 b

Detailed information about planet ZTF J0038+2030 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
ZTF J0038+2030 b
Planet Status
Confirmed
Discovered in
2021
Publication
Status
Published in a refereed paper
Update
2025-03-24
Mass
59.3 ( +3.6 -3.9 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.0092 ( ± 0.0001 ) AU
Orbital Period
0.4319208 ( ± 1.4e-06 ) day
Eccentricity
—
Angular distance
—
ω
—
Tperi
—
Radius
0.783 ( +0.013 -0.011 ) RJ
Inclination
89.71 ( ± 0.13 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2459045.985194 ( ± 2e-06 ) JD
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
850.0 ( ± 50.0 ) 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

No remarks

Inferred spectral type between T7 and T8.

Star

Name
ZTF J0038+20
Distance
138.3 ( +1.7 -1.9 ) pc
Spectral type
DA
Apparent magnitude V
17.0
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.505 ( +0.018 -0.024 ) MSun
Age
8.0 Gyr
Effective temperature
10900.0 ( ± 200.0 ) K
Radius
0.01429 ( +0.00022 -0.00017 ) RSun
Metallicity [Fe/H]
—
Detected Disc
—
Magnetic Field
—
RA2000
00:38:55.0
Dec2000
+20:30:26.0
Alternate Names
GALEX J003854.9+203026

No remarks

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