Planet TOI-269 b

Name TOI-269 b
Planet Status Confirmed
Discovered in 2021
Mass 0.0277 (± 0.0044) MJ
Mass*sin(i)
Semi-Major Axis 0.0345 (± 0.0015) AU
Orbital Period 3.6977104 (± 3.7e-06) day
Eccentricity 0.425 ( -0.086 +0.082 )
ω 74.0 (± 15.0) deg
Tperi
Radius 0.2471 (± 0.0107) RJ
Inclination 88.14 ( -0.9 +0.78 ) deg
Update 2021-05-03
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458381.84668 (± 0.00033) JD
Secondary transit
λ
Impact Parameter b 0.55 ( -0.22 +0.12 )
Time Vr=0
Velocity Semiamplitude K 7.6 (± 1.2) m/s
Calculated temperature 531.0 (± 25.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

TOI-269
Name TOI-269
Distance 57.023 (± 0.076) pc
Spectral type M2V
Apparent magnitude V 14.4
Mass 0.3917 (± 0.0095) MSun
Age
Effective temperature 3514.0 (± 70.0) K
Radius 0.398 (± 0.012) RSun
Metallicity [Fe/H] -0.29 (± 0.12)
Detected Disc
Magnetic Field
RA2000 05:03:23.0
Dec2000 -54:10:40
Alternate Names
Planetary system 1 planet

More data


Related publications

TOI-269 b: An eccentric sub-Neptune transiting a M2 dwarf revisited with ExTrA
2021 COINTEPAS M., ALMENARA J., BONFILS X., BOUCHY F., ASTUDILLO-DEFRU N. et al.
Astron. & Astrophys., 650, A145
paper   arxiv