Planet GJ 3293 b

Name GJ 3293 b
Planet Status Confirmed
Discovered in 2014
Mass 0.07406 (± 0.0028) MJ
Mass*sin(i) 0.07406 (± 0.0028) MJ +
Semi-Major Axis 0.14339 (± 0.0003) AU +
Orbital Period 30.5987 (± 0.008) JD +
Eccentricity 0.06 (± 0.04)
ω 282.3 (± 24.2) deg
Tperi 2455640.3 (± 1.9) JD
Radius
Inclination
Update 2017-03-18
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 8.6 (± 0.32) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 3293
Name GJ 3293
Distance 17.9 (± 3.0) pc
Spectral type M2.5
Apparent magnitude V 11.96
Mass 0.42 MSun
Age
Effective temperature 3466.0 (± 49.0) K
Radius 0.404 (± 0.027) RSun
Metallicity [Fe/H] 0.02 (± 0.09)
Detected Disc
Magnetic Field
RA2000 04:28:36.0
Dec2000 -25:10:09
Alternate Names
Planetary system
4 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  

The HARPS search for southern extra-solar planets XXXV. Planetary systems and stellar activity of the M dwarfs GJ 3293, GJ 3341, and GJ 3543
2014 ASTUDILLO-DEFRU N., BONFILS X., DELFOSSE X., SEGRANSAN D., FORVEILLE Th. et al.
Astron. & Astrophys., 575, A119
paper arxiv  ADS