Article open access publication

Rotation periods and astrometric motions of the Luhman 16AB brown dwarfs by high-resolution lucky-imaging monitoring

Astronomy & Astrophysics, EDP Sciences, ISSN 0004-6361

Volume 584, 2015

DOI:10.1051/0004-6361/201526899, Dimensions: pub.1056924084,



  1. (1) Max Planck Institute for Astronomy, grid.429508.2
  2. (2) INAF–Osservatorio Astrofisico di Torino, via Osservatorio 20, 10025 Pino Torinese, Italy
  3. (3) University of Sheffield, grid.11835.3e
  4. (4) Keele University, grid.9757.c
  5. (5) University of Salerno, grid.11780.3f
  6. (6) Istituto Nazionale di Fisica Nucleare, Sezione di Napoli, 80126 Napoli, Italy
  7. (7) University of St Andrews, grid.11914.3c
  8. (8) University of Copenhagen, grid.5254.6, KU
  9. (9) Pontifical Catholic University of Chile, grid.7870.8
  10. (10) Sharif University of Technology, grid.412553.4
  11. (11) Heidelberg University, grid.7700.0
  12. (12) The Open University, grid.10837.3d
  13. (13) Qatar Foundation, grid.418818.c
  14. (14) California Institute of Technology, grid.20861.3d
  15. (15) International Institute for Advanced Scientific Studies “Eduardo R. Caianiello", grid.452601.4
  16. (16) European Southern Observatory, grid.424907.c
  17. (17) Chinese Academy of Sciences, grid.9227.e
  18. (18) Yunnan Observatories, grid.458483.6
  19. (19) Korea Astronomy and Space Science Institute, grid.54642.31
  20. (20) Space Telescope Science Institute, grid.419446.a
  21. (21) University of Turku, grid.1374.1
  22. (22) University of Liège, grid.4861.b


Context. Photometric monitoring of the variability of brown dwarfs can provide useful information about the structure of clouds in their cold atmospheres.The brown-dwarf binary system Luhman 16AB is an interesting target for such a study, because its components stand at the L/T transition and show high levels of variability. Luhman 16AB is also the third closest system to the solar system, which allows precise astrometric investigations with ground-based facilities.


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