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95 results on '"Johannes Sahlmann"'

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1. Discovery of Astrometric Accelerations by Dark Companions in the Globular Cluster ω Centauri

2. JWST/NIRCam Discovery of the First Y+Y Brown Dwarf Binary: WISE J033605.05–014350.4

4. WD 0141−675: a case study on how to follow-up astrometric planet candidates around white dwarfs

5. Toward Complete Characterization: Prospects for Directly Imaging Transiting Exoplanets

6. JWST/NIRCam discovery of the first Y+Y brown dwarf binary: WISE J033605.05$-$014350.4

7. The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope -- IV. Aperture Masking Interferometry

8. A thesis to probe unique exoplanet regimes with micro-arcsecond astrometry and precision closure phases at CHARA and VLTI

9. The Gemini Planet Imager Exoplanet Survey: Dynamical Mass of the Exoplanet β Pictoris b from Combined Direct Imaging and Astrometry

10. Gaia Early Data Release 3 The Gaia Catalogue of Nearby Stars

11. The SOPHIE search for northern extrasolar planets. XVII. A wealth of new objects: Six cool Jupiters, three brown dwarfs, and 16 low-mass binary stars

12. Info for the Gaia Catalogue of Nearby Stars

13. Individual dynamical masses of DENIS J063001.4−184014AB reveal a likely young brown dwarf triple

14. The SOPHIE search for northern extrasolar planets: XVIII. Six new cold jupiters including one of the most eccentric exoplanet orbits

15. The Galactic Anticentre

16. Gaia early data release 3: summary of the contents and survey properties (Corrigendum)

17. Toward Complete Characterization: Prospects for Directly Imaging Transiting Exoplanets

18. Gaia Early Data Release 3: Acceleration of the solar system from Gaia astrometry

19. The Ultracool SpeXtroscopic Survey. I. Volume-Limited Spectroscopic Sample and Luminosity Function of M7$-$L5 Ultracool Dwarfs

20. Wide-Orbit Exoplanet Demographics

21. Gaia Data Release 2

22. Detection and characterisation of 54 massive companions with the SOPHIE spectrograph

23. Astrometry with the VLTI: calibration of the Fringe Sensor Unit for the PRIMA astrometric camera

24. Gaia Data Release 1: Testing parallaxes with local Cepheids and RR Lyrae stars

25. The SOPHIE search for northern extrasolar planets XII. Three giant planets suitable for astrometric mass determination with Gaia

26. Gaia TGAS search for Large Magellanic Cloud runaway supergiant stars:Candidate hypervelocity star discovery, and the nature of R71

27. First Gaia Dynamics of the Andromeda System: DR2 Proper Motions, Orbits, and Rotation of M31 and M33

28. An Earth-mass planet orbiting α Centauri B

29. First Gaia Local Group Dynamics: Magellanic Clouds Proper Motion and Rotation

30. An extreme planetary system around HD 219828 One long-period super Jupiter to a hot-Neptune host star

31. Enabling science with Gaia observations of naked-eye stars

32. The SOPHIE search for northern extrasolar planets XI. Three new companions and an orbit update: Giant planets in the habitable zone

33. The SOPHIE search for northern extrasolar planets X. Detection and characterization of giant planets by the dozen

34. The Orbit of the L dwarf + T dwarf Spectral Binary SDSS J080531.84+481233.0

35. Magellanic Clouds Proper Motion and Rotation with Gaia DR1

36. The PRIMA fringe sensor unit

37. Parallax of the L4.5 dwarf 2M1821$+$14 from high-precision astrometry with OSIRIS at GTC

38. Mass ratio of the 2 pc binary brown dwarf LUH16 and limits on planetary companions from astrometry

39. Astrometric planet search around southern ultracool dwarfs III. Discovery of a brown dwarf in a 3-year orbit around DE0630-18

40. Revealing δ Cephei's Secret Companion and Intriguing Past

41. The SOPHIE search for northern extrasolar planets VIII. Follow-up of ELODIE candidates: long-period brown-dwarf companions

42. DE0823$-$49 is a juvenile binary brown dwarf at 20.7 pc

43. Enabling Gaia observations of naked-eye stars

44. Astrometric planet search around southern ultracool dwarfs I: First results, including parallaxes of 20 M8-L2 dwarfs

45. Mid-infrared interferometry with K band fringe-tracking I. The VLTI MIDI+FSU experiment

46. Chemical abundances of stars with brown-dwarf companions

47. Gaia on-board metrology: basic angle and best focus

48. Exoplanet Detection Techniques

49. Improving the astrometric performance of VLTI-PRIMA

50. The mass of planet GJ 676A b from ground-based astrometry

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