Name | alf Cen B | ||
Distance | 1.295 pc | ||
Spectral type | K1V | ||
Apparent magnitude V | 1.33 | ||
Mass | 0.934 (± 0.006) MSun | ![]() |
+ |
Age | — | ||
Effective temperature | 5214.0 (± 33.0) K | ![]() |
+ |
Radius | 0.8632 (± 0.0037) RSun | ![]() |
+ |
Metallicity [Fe/H] | — | ||
Detected Disc | — | ||
Magnetic Field | — | ||
RA2000 | 14:39:35.0 | ||
Dec2000 | -60:50:15 | ||
Alternate Names | |||
Planetary system | 1 planet |
The Copernican Principle Rules Out BLC1 as a Technological Radio Signal from the Alpha Centauri System
2021
SIRAJ A. & LOEB A.
arxiv
In Search for a Planet Better than Earth: Top Contenders for a Superhabitable World
2020
SCHULZE-MAKUCH D., HELLER R. & GUINAN E.
Astrobiology, 20, 1394
paper
Measuring precise radial velocities on individual spectral lines : II. Dependance of stellar activity signal on line depth
2020
CRETIGNIER M., DUMUSQUE X., ALLART R., PEPE F. & LOVIS Ch.
Astron. & Astrophys., 633, A76
paper arxiv
Habitable Zones in Binary Star Systems: A Zoology
2020
EGGL S., GEORGAKARAKOS N. & ILAT-LOHINGER E.
galaxies, submitted
arxiv
Activity and telluric contamination in HARPS observations of Alpha Centauri B
2019
LISOGORSKYI M., JONES H. & FENG F.
MNRAS, 485, 4804
paper arxiv
NEAR: First Results from the Search for Low-Mass
Planets in a Cen
2019
KASPER M., ARSENAULT R., KÄFT U., JAKOB G., LEVERATTO S. et al.
The Messenger, 178, 5
paper
New Methods for Finding Activity-Sensitive Spectral Lines: Combined Visual Identification and an Automated Pipeline Find a Set of 40 Activity Indicators
2018
WISE A., DODSON-ROBINSON S., BENEVOUR K. & PROVINI A.
Astron. J., accepted
arxiv
The Breakthrough Starshot System Model
2018
PARKIN K.
arxiv
The chemical composition of α Cen AB revisited
2018
MOREL Th.
Astron. & Astrophys., accepted
arxiv
Detection of Alpha Centauri at radio wavelengths: chromospheric emission and search for star-planet interaction
2018
TRIGILIO C., UMANA G., CAVALLERO F., AGLIOZZO C., LETO P. et al.
MNRAS, submitted
arxiv
Project Blue: Visible Light Imaging Search for Terrestrial-class Exoplanets in the Habitable Zones of Alpha Centauri A and B
2018
MORSE J., BENDEK E., CABROL N., MARCHIS F., TURNBULL M. et al.
White Paper to the US National Academy of Sciences
arxiv
Alpha Centauri Beyond the Crossroads
2018
AYRES T.
Res. Notes AAS, 2, 17
paper
Long-Term Stability of Planets in the α Centauri System, II: Forced Eccentricities
2018
QUARLES B., LISSAUER J. & KAIB N.
Astron. J., 155, 64
paper arxiv
Long-Term Stability of Tightly Packed Multi-Planet Systems in Prograde, Coplanar, Circumstellar Orbits within the α Centauri AB System
2018
QUARLES B. & LISSAUER J.
Astron. J., 155, 130
paper arxiv
Planet Detectability in the Alpha Centauri System
2018
ZHAO L., FISCHER D., BREWER J., GIGUERE M. & ROJAS-AYALA B.
ApJ, 155, 24
paper arxiv
Exoplanet Terra Incognita
2018
BERDYUGINA S., KUHN J., BELIKOV R. & TUTYSHEV S.
arxiv
New Methods for Finding Activity-Sensitive Spectral Lines: Combined Visual Identification and an Automated Pipeline Find a Set of 40 Activity Indicators
2018
WISE, A., DODSON-ROBINSON, S., BEVENOUR, K. & A. PROVINI
Astron. J., accepted
paper
arxiv
https://arxiv.org/abs/1808.09009
ADS
Future Exoplanet Research: Science Questions and How to Address Them
2017
SCHNEIDER J.
Exoplanet Handbook (Springer), in press
arxiv
Interstellar communication. I. Maximized data rate for lightweight space-probes
2017
HIPPKE M.
Int. J. Astrobiol., in press
paper arxiv
NEAR: Low-mass Planets in α Cen with VISIR
2017
KASPER M., ARSENAULT R., KÄFL H.-U., JAKOB G., FUENTESECA E. et al.
Messenger, 169, 16
paper
Deceleration of high-velocity interstellar photon sails into bound orbits at α Centauri
2017
HELLER R. & HIPPKE M.
ApJ. Letters, 835, L32
paper
arxiv
ADS
Optimized trajectories to the nearest stars using lightweight high-velocity photon sails
2017
HELLER R., HIPPKE M. & KERVELLA P.
Astron. J., 154, 115
paper arxiv
Surface Imaging of Proxima b and Other Exoplanets: Topography, Biosignatures, and Artificial Mega-Structures
2017
BERDYUGINA S. & KUHN J.
ApJ, submitted
arxiv
Searching for Faint Comoving Companions to the α Centauri system in the VVV Survey Infrared Images
2017
BEAMIN J., MINNITI D., PULLEN J., IVANOV V., BENDEK E. et al.
MNRAS
arxiv
The radii and limb darkenings of Alpha Centauri A and B. Interferometric measurements with VLTI/PIONIER
2016
KERVELLA P., BIGOT I., GALLENNE A. & THEVENIN F.
Astron. & Astrophys., in press
paper
Milankovitch Cycles of Terrestrial Planets in Binary Star Systems
2016
FORGAN, D.
MNRAS, 463, 2768
paper ADS
arxiv
Long-term Stability of Planets in the Centauri System
2016
QUARLES B. & LISSAUER J.
Astron. J., 151, 111
paper arxiv
ADS
Proxima's orbit around Alpha Centauri
2016
KERVELLA P. & THEVENIN F.
Astron. & Astrophy., 598, L7
paper arxiv ADS
Ghost in the time series: no planet for Alpha Cen B
2016
RAJPAUL V., AIGRAIN S. & ROBERTS S.
MNRAS, 456, L6
paper arxiv ADS
Dynamics and habitability in circumstellar planetary systems of known binary stars
2016
BAZSÓ A., PILAT-LOHINGER E., EGGL S., FUNK B., BANCELIN, D. & G. RAU
MNRAS, 466, 1555
ADS
paper
A terrestrial planet candidate in a temperate orbit around Proxima Centauri
2016
ANGLADA-ESCUDÉ, G., AMADO, P., BARNES, J., BERDIÑAS, Z., BUTLER, R. & 26 additional authors
Nature, 536, 437
paper
arxiv
ADS
How to Directly Image a Habitable Planet Around Alpha Centauri with a ~30-45cm Space Telescope
2015
BELIKOV R., BENDEK E., THOMAS S., MALES J. & LOZI J.
in SPIE 9605
arxiv
The Mt John University Observatory Search For Earth-mass Planets In The Habitable Zone Of Alpha Centauri
2015
ENDL M., BERGMANN C., HEARNSHAW J., BERNES S., WITTENMYER R. et al.
Int. J. Astrobiolo., 14, 305
paper arxiv ADS
Searching for Earth-mass planets around α Centauri: precise radial velocities from contaminated spectra
2015
BERGMANN, C., ENDL, M. HEARNSHAW, J., WITTENMYER, R. & D. WRIGHT
International J. of Astrobiology, 14, 173
paper arxiv ADS
Planet Formation in Stellar Binaries. II. Overcoming the Fragmentation Barrier in α Centauri and γ Cephei-like Systems
2015
RAFIKOV R. & SILSBEE K.
ApJ, 798, 70
paper arxiv
On the Likelihood of Planet Formation in Close Binaries
2015
JANG-CONDELL H.
ApJ, 799, 147
paper arxiv
Tachoastrometry: astrometry with radial velocities
2015
PASQUINI L., CORTES C., LOMBARDI M., MONACO L., LEÃO I. & DELABRE B.
Astron. & Astrophys., 574, A76
paper
What is the mass of alpha Cen B b?
2015
PLAVCHAN P., CHEN X. & POHL G.
ApJ, 805, 174
paper arxiv ADS
Hubble Space Telescope search for the transit of the Earth-mass exoplanet Alpha Centauri Bb
2015
DEMORY B.-O., EHRENREICH D., QUELOZ D., SEAGER S., GILLILAND R. et al.
MNRAS, 450, 2043
paper arxiv ADS
A Gaussian process framework for modelling stellar activity signals in radial velocity data
2015
RAJPAUL V., AIGRAIN S., OSBORNE M., REECE S. & ROBERTS S.
MNRAS, accepted
arxiv
A method to directly image exoplanets in multi-star systems such as Alpha-Centauri
2015
THOMAS S., BELIKOV R. & BENDEK E.
in SPIE 2015
arxiv
Space telescope design to directly image the habitable zone of Alpha Centauri
2015
BENDEK E., BELIKOV R., LOZI J., THOMAS S., MALES J. et al.
in SPIE 2015
arxiv
Global warming as a detectable thermodynamic marker of Earth-like extrasolar civilizations: the case for a telescope like Colossus
2015
KUHN J. & BERDYGINA S.
Int. J. Astrobiol., 14, 401
paper ADS
XUV-driven mass loss from extrasolar giant planets orbiting active stars
2014
CHADNEY J., GALAND M., UNRUH Y., KOSKINEN T. & SANZ-FORCADA J.
Icarus, accepted
arxiv
Dynamical Stability of Terrestrial Planets in the Binary α Centauri System
2014
ANDRADE-INES, E. & MICHTCHENKO T.
MNRAS, accepted
arxiv
Microlensing Events by Proxima Centauri in 2014 and 2016: Opportunities for Mass Determination and Possible Planet Detection
2014
SAHU K., BOND H., ANDERSON J. & DOMINIK M.
ApJ, 782, 89
paper arxiv
Planet formation in Binaries
2014
THEBAULT Ph. & HAGHIGHIPOUR N.
in "Planetary Exploration and Science: Recent Advances and Applications", Jin & Haghighipour Eds?
arxiv
The Metallicity Dependence of Giant Planet Incidence
2014
GONZALEZ G.
MNRAS, 443, 393
paper arxiv
The Ups and Downs of α Centauri
2014
AYRES Th.
Astron. J., 147, 59
paper
How dusty is alpha Centauri? Excess or non-excess over the infrared photospheres of main-sequence stars
2014
WIEGERT J., LISEAU R., THEBAULT Ph., OLOFSSON G., MORA A. et al.
Astron. & Astrophys., accepted
arxiv
Superhabitable Worlds
2014
HELLER R. & ARMSTRONG J.
Astrobiology, 14, 50
paper arxiv ADS
Upcoming Microlensing by Proxima Centauri: A Rare Opportunity for Mass Determination and Planet Detection
2013
SAHU K., BOND H., ANDERSON J. & DOMINIK M.
in 222nd AAS Meeting (Indianapolis), 116.05
Sobre la habitabilidad de exoplanetas orbitando a Próxima del Centauro
2013
LOEZ-AGUILA M., CARDENAS-ORTIZ R. & RODRIGUEZ-LOPEZ L.
Revista Cubana de Fisica, 30, 77
paper arxiv
Possibilities of life around Alpha Centauri B
2013
GONZALEZ A., CARDENAS R. & HEARNSHAWJ.
Revista Cubana de Fisica, 30, 81
paper arxiv
Planet formation in small separation binaries: not so excited after all
2013
RAFIKOV R.
ApJ Letters, 765, L8
paper arxiv
An Earth-mass planet orbiting α Centauri B
2012
DUMUSQUE X., PEPE F., LOVIS Ch., SEGRANSAN D., SAHLMANN J., BENZW., BOUCHY F., MAYOR M., QUELOZ D., SANTOS N. & UDRY S.
Nature, 491, 207
paper
A journey through time and space: Alpha Centauri
2012
BEECH M.
Astron. & Geophys., 53, 6.10
paper
Planet hunting pioneer calls for probe to alpha Centauri
2011
REICH E.
Nature, 27 May 2011
paper
Formation and Detectability of Terrestrial Planets Around Alpha Centauri B
2008
GUEDES J., RIVERA J., DAVIS E., LAUGHLIN G. QUINTANA E. & FISCHER D.
ApJ., 679, 1582
paper
Formation and Detectability of Terrestrial Planets Around Alpha Centauri B
2008
GUEDES J.
BAAS, 41, no 1, 346.07
abstract
Emission of magnetosonic waves by planets and binary stars revolving in circular orbits.
1972
DOKUCHAEV V.
Soviet Astronomy, 15, 573
paper