Browsing Research publications by Author "Tinney, C.G."

Now showing items 21-40 of 52

    • Four new exoplanets and hints of additional substellar companions to exoplanet host stars 

      Wright, J.T.; Marcy, G.W.; Fischer, D.A.; Butler, R.P.; Vogt, S.; Tinney, C.G.; Jones, H.R.A.; Carter, B.D.; Johnson, J.A.; McCarthy, C.; Apps, K. (2007)

    • Four New Planets Orbiting Metal-enriched Stars 

      Tinney, C.G.; Butler, R.P.; Marcy, G.W.; Jones, H.R.A.; Penny, A.J.; Carter, B.D.; Bond, J. (2003-04)

    • The frequency of low-mass exoplanets 

      O'Toole, S.; Jones, H.R.A.; Tinney, C.G.; Butler, R.P.; Marcy, G.W.; Carter, B.D.; Bailey, J.; Wittenmyer, R. (2009)
      We report first results from the Anglo-Australian Telescope Rocky Planet Search—an intensive, high-precision Doppler planet search targeting low-mass exoplanets in contiguous 48 night observing blocks. On this run, we ...

    • The frequency of low-mass exoplanets. II. The "Period Valley" 

      Wittenmyer, R.; O'Toole, S.; Jones, H.R.A.; Tinney, C.G.; Butler, R.P.; Carter, B.D.; Bailey, J. (2010)
      Radial-velocity planet search campaigns are now beginning to detect low-mass "Super-Earth" planets, with minimum masses M sin i 10 M ⊕. Using two independently developed methods, we have derived detection limits from nearly ...

    • HD10647 and the Distribution of Exoplanet Properties with semi-major axis 

      Jones, H.R.A.; Butler, R.P.; Tinney, C.G.; Marcy, G.W.; McCarthy, C.; Carter, B.D.; Penny, A.J. (Astronomical Society of the Pacific, 2004)
      At this conference Mayor et al. announced evidence for an exoplanet in orbit around HD10647. Here we consider the Anglo-Australian Planet Search dataset for HD10647. Our dataset amply covers the claimed orbital period and ...

    • High-eccentricity planets from the Anglo-Australian planet search 

      Jones, H.R.A.; Butler, R.P.; Tinney, C.G.; Marcy, G.W.; Carter, B.D.; Penny, A.J.; McCarthy, C.; Bailey, J. (2006)
      We report Doppler measurements of the stars HD 187085 and HD 20782 which indi- cate two high eccentricity low-mass companions to the stars. We find HD 187085 has a Jupiter-mass companion with a 1000 d orbit. Our formal ...

    • The impact of stellar oscillations on Doppler velocity planet searches 

      O'Toole, S.; Tinney, C.G.; Jones, H.R.A. (2008)

    • A Jupiter-Like Planet Orbiting the Nearby M dwarf GJ 832 

      Bailey, J.; Butler, R.P.; Tinney, C.G.; Jones, H.R.A.; O'Toole, S.; Carter, B.D.; Marcy, G.W. (2009)

    • A long-period planet orbiting a nearby Sun-like star 

      Jones, H.R.A.; Butler, R.P.; Tinney, C.G.; O'Toole, S.; Wittenmyer, R.; Henry, G.W.; Meschiari, S.; Vogt, S.; Rivera, E.; Laughlin, G.; Carter, B.D.; Bailey, J.; Jenkins, J.S. (2010)
      The Doppler wobble induced by the extra-solar planet HD 134987b was first detected by data from the Keck Telescope nearly a decade ago, and was subsequently confirmed by data from the Anglo-Australian Telescope (AAT). ...

    • Methane and ammonia in the near-infrared spectra of late-T dwarfs 

      Canty, J. I.; Lucas, P.W.; Yurchenko, S.N.; Tennyson, Jonathan; Leggett, S.K.; Tinney, C.G.; Jones, H.R.A.; Burningham, B.; Pinfield, D.J.; Smart, R.L. (2015-06-11)
      Analysis of T dwarfs using model atmospheres has been hampered by the absence of reliable line lists for methane and ammonia. Newly computed high-temperature line lists for both of these important molecules are now available, ...

    • Multiple Companions to HD 154857 and HD 160691 

      McCarthy, C.; Butler, R.P.; Tinney, C.G.; Jones, H.R.A.; Marcy, G.W.; Carter, B.D.; Penny, A.J.; Fischer, D.A. (2004)

    • NACO-SDI imaging of known companion host stars from the AAPS and Keck planet search surveys 

      Jenkins, J.S.; Jones, H.R.A.; Biller, B.; O'Toole, S.; Pinfield, D.J.; Close, L.; Tinney, C.G.; Butler, R.P.; Wittenmyer, R.; Carter, B.D.; Day-Jones, A.C. (2010)
      Context. Direct imaging of brown dwarfs as companions to solar-type stars can provide a wealth of well-constrained data to “benchmark” the physics of such objects, since quantities like metallicity and age can be determined ...

    • A Neptune-mass Planet Orbiting the Nearby G Dwarf HD 16417 

      O'Toole, S.; Tinney, C.G.; Butler, R.P.; Jones, H.R.A.; Bailey, J.; Carter, B.D.; Vogt, S.; Laughlin, G.; Rivera, E. (2009)
      Precision Doppler measurements from an intensive 48 night "Rocky Planet Search" observing campaign on the Anglo-Australian Telescope (AAT) have revealed the presence of a low-mass exoplanet orbiting the G1 dwarf HD 16417. ...

    • New planets around Three G Dwarfs 

      O'Toole, S.; Butler, R.P.; Tinney, C.G.; Jones, H.R.A.; Marcy, G.W.; Carter, B.D.; McCarthy, C.; Bailey, J.; Penny, A.J.; Apps, K.; Fischer, D.A. (2007)

    • NPARSEC : NTT Parallaxes of Southern Extremely Cool objects. Goals, targets, procedures and first results 

      Smart, R.L.; Tinney, C.G.; Bucciarelli, B.; Marocco, F.; Abbas, U.; Andrei, A.; Bernardi, G.; Burningham, B.; Cardoso, C.; Costa, E.; Crosta, M.T.; Dapra, M.; Day-Jones, A.; Goldman, B.; Jones, H.R.A.; Lattanzi, M.G.; Leggett, S.K.; Lucas, P.W.; Mendez, R.; Penna, J.L.; Pinfield, D.J.; Smith, Leigh; Sozzetti, A.; Vecchiato, A. (2013-08)
      The discovery and subsequent detailed study of T dwarfs have provided many surprises and pushed the physics and modelling of cool atmospheres in unpredicted directions. Distance is a critical parameter for studies of these ...

    • Observed Properties of Exoplanets: Masses, Orbits, and Metallicities 

      Marcy, G.W.; Butler, R.P.; Fischer, D.A.; Vogt, S.; Wright, J.T.; Tinney, C.G.; Jones, H.R.A. (2005)
      We review the observed properties of exoplanets found by the Doppler technique that has revealed 152 planets to date. We focus on the ongoing 18-year survey of 1330 FGKM type stars at Lick, Keck, and the Anglo-Australian ...

    • Observing Strategies for the Detection of Jupiter Analogs 

      Wittenmyer, Robert A.; Tinney, C.G.; Horner, J.; Butler, R. P.; Jones, H.R.A.; O'Toole, Simon J.; Bailey, J.; Carter, Brad D.; Salter, G. S.; Wright, D. (2013-04)
      To understand the frequency, and thus the formation and evolution, of planetary systems like our own solar system, it is critical to detect Jupiter-like planets in Jupiter-like orbits. For long-term radial-velocity monitoring, ...

    • On the Double-Planet System around HD 83443 

      Butler, R.P.; Marcy, G.W.; Vogt, S.; Tinney, C.G.; Jones, H.R.A.; Penny, A.J.; Apps, K.; Carter, B.D. (2002-10)

    • On the frequency of Jupiter analogs 

      Wittenmyer, R.; Tinney, C.G.; O'Toole, S.; Jones, H.R.A.; Butler, R.P.; Carter, B.D.; Bailey, J. (2011)
      The Anglo-Australian Planet Search has now accumulated 12 years of radial-velocity data with long-term instrumental precision better than 3 m s-1. In this paper, we expand on earlier simulation work, to probe the frequency ...

    • Parallaxes and physical properties of 11 mid-to-late T dwarfs 

      Marocco, F.; Smart, R.L.; Jones, H.R.A.; Burningham, B.; Lattanzi, M.G.; Leggett, S.K.; Lucas, P.W.; Tinney, C.G.; Adamson, A.; Evans, D. W.; Lodieu, N.; Murray, D.N.; Pinfield, D.J.; Tamura, M. (2010)
      Aims. We present parallaxes of 11 mid-to-late T dwarfs observed in the UKIRT Infrared Deep Sky Survey. We use these results to test the reliability of model predictions in magnitude–color space, determine a magnitude-spectral ...