Planet GJ 273 c

Name GJ 273 c
Planet Status Confirmed
Discovered in 2017
Mass 0.00371 (± 0.0005) MJ
Mass*sin(i) 0.00371 (± 0.0005) MJ
Semi-Major Axis 0.036467 (± 2e-06) AU
Orbital Period 4.7234 (± 0.0004) JD
Eccentricity 0.17 ( -0.12 +0.13 )
ω
Tperi
Radius
Inclination
Update 2017-03-21
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 1.06 (± 0.15) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

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
2 planets

More data


Related publications

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., accepted
arxiv