Planet KOINTREAU-4 b

Detailed information about planet KOINTREAU-4 b and its parameters.

Planet

Name
KOINTREAU-4 b
Planet Status
Confirmed
Discovered in
2026
Publication
Status
Published in a refereed paper
Update
2026-02-12
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
ω
Tperi
Radius
Inclination
Detection Method
Imaging
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
2MASS J16262785-2625152 b
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Spectral type L0 ± 2. Mass estimate varies depending on the age estimate and whether KOINTREAU-4 is member of Rho Ophiuchi or Upper Scorpius association, the former seemingly favoured.

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Star

Name
KOINTREAU-4
Distance
Spectral type
M4.5
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
16:26:27.9
Dec2000
-26:25:15.2
Alternate Names
UCAC4 318-090278, 2MASS J16262785-2625152

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