Planet TOI-277 Bb

Detailed information about planet TOI-277 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
TOI-277 Bb
Planet Status
Confirmed
Discovered in
2019
Update
2024-07-30
Mass
0.0308 MJ
Mass*sin(i)
—
Semi-Major Axis
0.0269 ( ± 0.0011 ) AU
Orbital Period
3.994086 ( ± 9e-06 ) day
Eccentricity
—
ω
—
Tperi
—
Radius
0.27612 ( +0.02639 -0.013159 ) RJ
Inclination
88.32 ( +1.1 -2.0 ) deg
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
2458385.0362 ( ± 0.0008 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.402 ( +0.3 -0.253 )
Time Vr=0
—
Velocity Semiamplitude K
6.1 m/s
Calculated temperature
740.0 K
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
TOI-277.01, G 268-143 b, LDS 41 Bb
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
TOI-277 B
Distance
64.67 ( ± 0.14 ) pc
Spectral type
M0V
Apparent magnitude V
13.6
Mass
0.52 ( ± 0.02 ) MSun
Age
—
Effective temperature
6668.0 ( ± 157.0 ) K
Radius
0.523 ( ± 0.015 ) RSun
Metallicity [Fe/H]
-0.01 ( ± 0.09 )
Detected Disc
—
Magnetic Field
—
RA2000
01:16:18.0
Dec2000
-20:57:12.0
Alternate Names
G 268-143, LDS 41 B

TOI-277 (LDS 41 B) is the secondary component of a binary system composed of a pair of M dwarfs separated by 1117 AUs. The primary component is G 268-142 or LDS 41 A.

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