Planet 2MASS J1258+2630 b

Detailed information about planet 2MASS J1258+2630 b and its parameters.

Planet

Name
2MASS J1258+2630 b
Planet Status
Confirmed
Discovered in
2021
Update
2024-07-17
Mass
3.4 ( +0.31 -0.18 ) MJ
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
2MASS J12582326+2630091 b
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
2MASS J1258+2630
Distance
Spectral type
M1.3V
Apparent magnitude V
12.69
Mass
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
12:58:23.0
Dec2000
+26:30:09.0
Alternate Names
2MASS J12582326+2630091, UCAC3 234-106607

2MASS J1258+2630 forms a widely separated (a = 908 AUs, 15.52 arcseconds at 58.6 pc) binary system with another M dwarf exoplanet host, SAND 178. 2MASS J1258+2630 is the primary component of the system.

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