Planet Proxima d

Name Proxima d
Planet Status Candidate
Discovered in 2020
Mass
Mass*sin(i) 0.00091 (± 0.00025) MJ
Semi-Major Axis
Orbital Period 5.15 day
Eccentricity
ω
Tperi
Radius
Inclination
Update 2020-05-26
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 0.4 m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Proxima Centauri
Name Proxima Centauri
Distance 1.295 pc
Spectral type M5.5V
Apparent magnitude V 11.13
Mass 0.12 (± 0.015) MSun
Age
Effective temperature 3050.0 (± 100.0) K
Radius 0.141 (± 0.021) RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000 14:29:42.9
Dec2000 -63:10:10
Alternate Names alpha Cen C, GL 551, HIP 70890
Planetary system
2 planets

More data


Related publications

The Copernican Principle Rules Out BLC1 as a Technological Radio Signal from the Alpha Centauri System
2021 SIRAJ A. & LOEB A.
arxiv

A Search for Optical Laser Emission from Proxima Centauri
2021 MARCY G.
MNRAS, submitted
arxiv

Revisiting Proxima with ESPRESSO
2020 MASCARENO A., FARIA J., FIGUEIRA P., LOVIS Ch., DAMASSO M. et al.
Astron. & Astrophys., 639, A77
paper   arxiv

A New Method For Studying Exoplanet Atmospheres Using Planetary Infrared Excess
2020 STEVENSON K.
ApJ. Letters, accepted
arxiv  

Proxima Centauri -- the nearest planet host observed simultaneously with AstroSat, Chandra and HST
2020 LALITHA S., SCHMITT J., SINGH K., SCHNEIDER P., PARKE LOYD R. et al.
MNRAS, 498, 3658
paper  arxiv  

The large-scale magnetic field of Proxima Centauri near activity maximum
2020 KLEIN S., DONATI J.-F., HEBRARD E., ZAIR B., FOLSOM C. et al.
MNRAS, in press
paper   arxiv  

Monitoring the radio emission of Proxima Centauri
2020 PERZ-TORRES M., GOMEZ J., ORTIZ J., LETO P. et al.
Astron. & Astrophys., accepted
arxiv

A Flare-Type IV Burst Event from Proxima Centauri and Implications for Space Weather
2020 ZIC A., MURPHY T., LYNCH Ch., HEALD G., LENC E. et al.
ApJ
paper   arxiv

EvryFlare III: Temperature Evolution and Habitability Impacts of Dozens of Superflares Observed Simultaneously by Evryscope and TESS
2020 HOWARD W., CORBELT H., LAW N., RATZLOFF J., GALLIHER N. et al.
ApJ, 902, 115
paper    arxiv

Perturbation of Compact Planetary Systems by Distant Giant Planets
2016 HANSEN, B.
MNRAS, submitted
arxiv  paper   ADS