Browsing by Author "958096ff-6694-4591-b088-59df53a197c7"

Now showing items 1-4 of 4

    • A multiplanet system of super-Earths orbiting the brightest red dwarf star GJ 887 
      Jeffers, S. V.; Dreizier, S.; Barnes, J. R.; Haswell, C. A.; Nelson, R. P.; Rodríguez, E.; López González, M. J.; Morales, N.; Luque, R.; Zechmeister, M.; Vogt, S. S.; Jenkins, James Stewart; Palle, E.; Berdinas, Z. M.; Coleman, G.; Díaz, M. R.; Ribas, I.; Jones, H.R.A.; Butler, R. P.; Tinney, C. G.; Bailey, J.; Carter, B. D.; O'Toole, S.; Wittenmyer, R. A; Crane, J. D.; Feng, F.; Shectman, S. A.; Teske, J.; Reiners, A.; Amado, P. J.; Anglada Escude, G. (Amer Assoc Advancement Science, 2020)
      The closet exoplanets to the Sun provide opportunities for detailed characterization of planets outside the Solar System. We report the discovery, using radial velocity measurements, of a compact multiplanet system of ...
    • Surprisingly different starspot distributions on the near equal-mass equal-rotation-rate stars in the M ... 
      Barnes, J. R.; Jeffers, S. V.; Haswell, C. A; Jones, H.R.A.; Shulyak, D.; Pavlenko, Ya. V.; Jenkins, James Stewart (Oxford University, 2017)
      We aim to understand how stellar parameters such as mass and rotation impact the distribution of star-spots on the stellar surface. To this purpose, we have used Doppler imaging to reconstruct the surface brightness ...
    • The CARMENES search for exoplanets around M dwarfs Characterization of the nearby ultra-compact multiplanetary ... 
      Stock, S.; Kemmer, J.; Reffert, S.; Trifonov, T.; Kaminski, A.; Dreizler, S.; Quirrenbach, A.; Caballero, J. A.; Reiners, A.; Jeffers, S. V.; Anglada Escudé, G.; Ribas, I.; Amado, P. J.; Barrado, D.; Barnes, J. R.; Bauer, F. F.; Modroño Berdiñas, Zaira; Béjar, V. J. S.; Coleman, G. A. L.; Cortés Contreras, M.; Díez Alonso, E.; Domínguez Fernández, A. J.; Espinoza, N.; Haswell, C. A.; Hatzes, A.; Henning, T.; Jenkins, James S.; Jones, H. R. A.; Kossakowski, D.; Kürster, M.; Lafarga, M.; Lee, M. H.; López González, M. J.; Montes, D.; Morales, J. C.; Morales, N.; Pallé, E.; Pedraz, S.; Rodríguez, E.; Rodríguez López, C.; Zechmeister, M. (EDP Sciences, 2020)
      Context. The nearby ultra-compact multiplanetary system YZ Ceti consists of at least three planets, and a fourth tentative signal. The orbital period of each planet is the subject of discussion in the literature due to ...
    • The metal-rich abundance pattern - spectroscopic properties and abundances for 107 main-sequence stars 
      Ivanyuk, O. M.; Jenkins, James Stewart; Pavlenko, Ya. V.; Jones, H. R. A.; Pinfield, D. J. (Oxford university press, 2017)
      We report results from the high-resolution spectral analysis of the 107 metal-rich (mostly [Fe/H] >= 7.67 dex) target stars from the Calan Hertfordshire Extrasolar Planet Search programme observed with HARPS. Using our ...