Planet Barnard's b

Name Barnard's b
Planet Status Confirmed
Discovered in 2018
Mass 0.01016 (± 0.00138) MJ
Mass*sin(i) 0.01016 (± 0.00138) MJ
Semi-Major Axis
Orbital Period 232.8 ( -0.41 +0.38 ) day
Eccentricity 0.32 ( -0.15 +0.1 )
ω 107.0 ( -22.0 +19.0 ) deg
Tperi
Radius
Inclination
Update 2018-11-21
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 1.2 (± 0.12) m/s
Calculated temperature 105.0 (± 3.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Barnard's star
Name Barnard's star
Distance 1.8 pc
Spectral type M4V
Apparent magnitude V 9.5
Mass 0.163 (± 0.022) MSun
Age 8.5 (± 1.5) Gyr
Effective temperature 3278.0 (± 51.0) K
Radius 0.178 (± 0.011) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 17:57:49.0
Dec2000 +04:41:36
Alternate Names
Planetary system 1 planet

More data


Related publications

Breezing through the space environment of Barnard's Star b
2019 ALVARADO-GOMEZ J., GARRAFFO C., DRAKE J., BROWN B., OISHI J. et al.
ApJ. Letters, 875, L12
paper  arxiv  

Stellar Spectroscopy in the Near-infrared with a Laser Frequency Comb
2019 METCALF A., ANDERSON T., BENDER Ch., BLAKESLEE S., BRAND W. et al.
Optica, accepted
arxiv  

A super-Earth planet candidate orbiting at the snow-line of Barnard's star
2018 RIBAS I., TUOMI M., REINERS A., BUTLER P., MORALES J. et al.
Nature, 563, 365
paper  arxiv

Prospects for detecting the astrometric signature of Barnard's Star b
2018 TAL-OR L., ZUCKER Sh., RIBAS I., ANGLADA-ESCUDE G. & REINERS A.
Astron. & Astrophys., 623, A10
paper  arxiv