Planet 2MASS J0328+4856 b

Detailed information about planet 2MASS J0328+4856 b and its parameters.

Planet

Name
2MASS J0328+4856 b
Planet Status
Candidate
Discovered in
2019
Update
2024-08-12
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Radial Velocity
Mass Meas. Method
Radial Velocity
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
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Kounkel et al. (2019) report a mass ratio of 0.1 for the 2MASS J0328+4856 binary system assuming a ∼0.2 MSol primary. For a 0.39 MSol primary, the putative secondary component is still compatible with a brown dwarf.

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Star

Name
2MASS J0328+4856
Distance
Spectral type
M6
Apparent magnitude V
18.06
Mass
Age
Effective temperature
Radius
0.403 ( ± 0.013 ) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
03:28:13.4
Dec2000
+48:56:15.4
Alternate Names
APX 42B, 2MASS J03281336+4856154, 2M03281336+4856154

Member of α Persei Cluster.

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