Planet GJ 273 b

Name GJ 273 b
Planet Status Confirmed
Discovered in 2017
Mass 0.00909 ( -0.00082 +0.00085 ) MJ
Mass*sin(i) 0.00909 ( -0.00082 +0.00085 ) MJ
Semi-Major Axis 0.091101 ( -1.7e-05 +1.9e-05 ) AU
Orbital Period 18.6498 ( -0.0052 +0.0059 ) JD
Eccentricity 0.1 ( -0.07 +0.09 )
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 1.61 (± 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