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- W3048449928 abstract "The successful detection is reported of radial-velocity variations due to orbital motion of the substellar companion of the star tau Bootis, from data obtained with a small aperture (0.4m) telescope and a fibre-fed high-resolution spectrograph. Radial-velocity observations from observing runs in 2000 and 2004 reveal a periodic variation of 3.30 ± 0.02d, which is consistent with the previously determined value of 3.3125 ± 0.0002d. We fit our data to a circular orbit with the known period, and derive a velocity amplitude of 471 ± 10m s-1 (in agreement with the previously published value of 469 ± 5m s -1 ), and determine a time of maximum velocity (Tmax) of HJD 2453113.95 ± 0.01. These observations explore the minimum system requirements for precise radial-velocity measurements." @default.
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- W3048449928 date "2006-04-01" @default.
- W3048449928 modified "2023-09-26" @default.
- W3048449928 title "High-precision radial-velocity measurement with a small telescope: Detection of the tau Boötis exoplanet" @default.
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