Browsing by Author "Pavlenko, Yakiv"

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    • A blue depression in the optical spectra of M dwarfs 

      Jones, Hugh R. A.; Pavlenko, Yakiv; Lyubchik, Yuri; Bessell, Mike; Allard, Nicole; Pinfield, David J. (2023-05-12)
      A blue depression is found in the spectra of M dwarfs from 4000 to 4500A. This depression shows an increase toward lower temperatures though is particularly sensitive to gravity and metallicity. It is the single most ...

    • 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, ...