Browsing University of Hertfordshire by Author "Ivanyuk, Oleksiy"

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    • Benchmark cool companions : Ages and abundances for the PZ Tel system 

      Jenkins, J. S.; pavlenko, Yakiv; Ivanyuk, Oleksiy; Gallardo, Jose; jones, Matias; day-jones, Avril; Jones, H.R.A.; Ruiz, Maria-Teresa; Pinfield, D.J.; Yakovina, Larissa (2012-03)
      We present new ages and abundance measurements for the pre-main sequence star PZ Tel. PZ Tel was recently found to host a young and low-mass companion. Using FEROS spectra we have measured atomic abundances (e.g. Fe and ...

    • Status of the Calan-Hertfordshire Extrasolar Planet Search 

      Jenkins, James S.; Jones, H.R.A.; Rojo, Patricio; Tuomi, Mikko; Jones, Matias I.; Murgas, Felipe; Barnes, J.R.; Pavlenko, Yakiv; Ivanyuk, Oleksiy; Jordan, Andres; Day-Jones, Avril C.; Ruiz, Maria-Teresa; Pinfield, D.J. (EDP Sciences, 2013)
      In these proceedings we give a status update of the Calan-Hertfordshire Extrasolar Planet Search, an international collaboration led from Chile that aims to discover more planets around super metal-rich and Sun-like stars, ...