Browsing Research publications by Author "Anglada-Escude, G."

Now showing items 1-6 of 6

    • The Anglo-Australian Planet Search XXV : A Candidate Massive Saturn Analog Orbiting HD 30177 

      Wittenmyer, Robert A.; Horner, Jonathan; Mengel, M. W.; Butler, R. P.; Tinney, C. G.; Carter, B. D.; Jones, H. R. A.; Anglada-Escude, G.; Bailey, J.; O'Toole, Simon J. (2017-03-20)
      We report the discovery of a second long-period giant planet orbiting HD 30177, a star previously known to host a massive Jupiter analog (HD 30177b: a=3.8$\pm$0.1 au, m sin $i=9.7\pm$0.5 Mjup). HD 30177c can be regarded ...

    • BD+20 1790 b : chronicle of an exoplanetary discovery 

      Hernan-Obispo, M.; Galvez-Ortiz, M.C.; Anglada-Escude, G.; Kane, S.R.; De Castro, E.; Cornide, M. (American Institute of Physics (AIP), 2009)
      In this contribution we report evidence for a planetary companion around a young and active late-type K star. Our group has been developing a study of stellar activity and kinematics for this star over the past years. ...

    • Color difference makes a difference: four planet candidates around tau Ceti 

      Feng, F.; Tuomi, Mikko; Jones, Hugh; Barnes, J.; Anglada-Escude, G.; Vogt, S. S.; Butler, R. P. (2017-09-05)
      The removal of noise typically correlated in time and wavelength is one of the main challenges for using the radial velocity method to detect Earth analogues. We analyze radial velocity data of tau Ceti and find robust ...

    • Evidence of a massive planet candidate orbiting the young active K5V star BD+20 1790 

      Hernan-Obispo, M.; Galvez-Ortiz, M.C.; Anglada-Escude, G.; Kane, S.R.; Barnes, J.R.; De Castro, E.; Cornide, M. (2010)
      Context. BD+20 1790 is a young active, metal-rich, late-type K5Ve star. We have undertaken a study of stellar activity and kinematics for this star over the past few years. Previous results show a high level of stellar ...

    • A multiplanet system of super-Earths orbiting the brightest red dwarf star GJ 887 

      Jeffers, S. V.; Dreizler, S.; Barnes, J. R.; Haswell, C. A.; Nelson, R. P.; Rodríguez, E.; Lopez-Gonzalez, M. J.; Morales, N.; Luque, R.; Zechmeister, M.; Vogt, S. S.; Jenkins, J. S.; Palle, E.; Berdinas, Z. M.; Coleman, G. A. L.; Diaz, 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.; . (2020-06-26)
      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 ...

    • Surfing the photon noise : New techniques to find low-mass planets around M dwarfs 

      Anglada-Escude, G.; Butler, R. P.; Reiners, A.; Jones, H.R.A.; Tuomi, M.; Jenkins, J. S.; Barnes, J.R.; Vogt, S. S.; Zechmeister, M. (2013-02)
      The current precision radial velocities techniques to detect low mass planets in M dwarf are quickly reviewed. This includes high resolution spectroscopic observations made both in the optical and in the near infrared. We ...