Planet GJ 752 A b

Name GJ 752 A b
Planet Status Confirmed
Discovered in 2018
Mass 0.0384 ( -0.0044 +0.003 ) MJ
Mass*sin(i) 0.0384 ( -0.0044 +0.003 ) MJ
Semi-Major Axis 0.3357 ( -0.01 +0.0099 ) AU
Orbital Period 105.9 ( -0.1 +0.09 ) day
Eccentricity 0.16 ( -0.1 +0.05 )
ω 269.0 ( -45.0 +30.0 ) deg
Tperi
Radius
Inclination
Update 2018-10-30
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 2.85 ( -0.25 +0.16 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 180617 b

Star

GJ 752 A
Name GJ 752 A
Distance 5.9116 (± 0.018) pc
Spectral type M2.5 V
Apparent magnitude V 9.115
Mass 0.45 (± 0.04) MSun
Age 5.5 (± 4.5) Gyr
Effective temperature 3557.0 (± 51.0) K
Radius 0.453 (± 0.019) RSun
Metallicity [Fe/H] 0.0
Detected Disc
Magnetic Field
RA2000 19:16:55.3
Dec2000 +05:10:08
Alternate Names HD 180617, 2MASS J19165526+0510086
Planetary system 1 planet

Remarks

Kaminski et al. 2018 : HD 180617 is the primary of the proper motion pair that also contains the M8.0 V dwarf vB 10 (0.07 solar mass) with a separation of 76 arsec.

More data


Related publications

The CARMENES search for exoplanets around M dwarfs. A Neptune-mass planet traversing the habitable zone around HD 180617
2018 KAMINSKI, A., TRIFONOV, T., CABALLERO, J., QUIRRENBACH, A., RIBAS, I. et al.
Astron. & Astrophys., accepted
  arxiv   ADS