Planet GJ 273 b

Name GJ 273 b
Planet Status Confirmed
Discovered in 2017
Mass 0.00922 MJ
Mass*sin(i) 0.0069 (± 0.003) MJ +
Semi-Major Axis 0.091 (± 0.01) AU +
Orbital Period 18.64 (± 0.015) day +
Eccentricity 0.1 ( -0.03 +0.25 ) +
ω
Tperi
Radius
Inclination 80.0 deg
Update 2020-06-19
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 1.28 ( -0.5 +0.45 ) m/s +
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names Luyten b

Star

GJ 273
Name GJ 273
Distance 3.8 pc
Spectral type M3.5
Apparent magnitude V 9.87
Mass 0.29 MSun
Age
Effective temperature 3382.0 (± 49.0) K
Radius 0.293 (± 0.0027) RSun
Metallicity [Fe/H] 0.09 (± 0.17)
Detected Disc
Magnetic Field
RA2000 07:27:24.5
Dec2000 +05:13:33
Alternate Names
Planetary system
4 planets

More data


Related publications

GJ 273: On the formation, dynamical evolution and habitability of a planetary system hosted by an M dwarf at 3.75 parsec
2020 POZUELOS F., SUAREZ J., de ELIA G., BERDINAS Z., BONFANTI A. et al.
Astron. & Astrophys., 641, A23
paper    arxiv

Frequency of planets orbiting M dwarfs in the Solar neighbourhood
2019 TUOMI M., JONES H., ANGLADA-ESCUDE G., BUTLER P., ARRIAGADA P. et al.
ApJ. Suppl., submitted
arxiv  

The HARPS search for southern extra-solar planets XLI. A dozen planets around the M dwarfs GJ 3138, GJ 3323, GJ 273, GJ 628, and GJ 3293
2017 ASTUDILLO-DEFRU N., FORVEILLE Th., BONFILS X., SEGRANSAN D., BOUCHY F. et al.
Astron. & Astrophys., 602, A88
paper  arxiv