Planet OGLE-2018-BLG-0421 b

Detailed information about planet OGLE-2018-BLG-0421 b and its parameters.

Planet

Name
OGLE-2018-BLG-0421 b
Planet Status
Candidate
Discovered in
2025
Publication
Status
Published in a refereed paper
Update
2025-03-26
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
ω
Tperi
Radius
Inclination
Detection Method
Microlensing
Mass Meas. Method
Radius Meas. Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
KMT-2018-BLG-0831 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Yang et al. (2025): Subtle nature of the signal in the light curve results in strong degeneracy among stellar, brown dwarf, and planetary models.

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Star

Name
OGLE-2018-BLG-0421
Distance
Spectral type
Apparent magnitude V
Apparent magnitude I
Apparent magnitude J
Apparent magnitude H
Apparent magnitude K
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
17:51:58.7
Dec2000
-31:51:58.1
Alternate Names
KMT-2018-BLG-0831

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