Browsing University of Hertfordshire by Author "Leigh, C.J."

Now showing items 1-6 of 6

    • HD 179949b - a close orbiting extrasolar giant planet with a stratosphere? 

      Barnes, J.R.; Barman, T.S.; Jones, H.R.A.; Leigh, C.J.; Cameron, A.C.; Barber, R.J.; Pinfield, D.J. (2008)
      We have carried out a search for the 2.14-μm spectroscopic signature of the close orbiting extrasolar giant planet, HD179949b. High-cadence time-series spectra were obtained with the Cryogenic high-resolution InfraRed ´ ...

    • Limits on the 2.2- m contrast ratio of the close-orbiting planet HD 189733b 

      Barnes, J.R.; Barman, T.S.; Prato, L.; Segransan, D.; Jones, H.R.A.; Leigh, C.J.; Collier Cameron, A.; Pinfield, D.J. (2007)

    • Near infrared spectroscopic search for the close orbiting planet HD 75289b 

      Barnes, J.R.; Leigh, C.J.; Jones, H.R.A.; Barman, T.S.; Pinfield, D.J.; Collier Cameron, A.; Jenkins, J.S. (2007)
      We present a search for the near infrared spectroscopic signature of the close orbiting extrasolar giant planet HD 75289b. We obtained »230 spectra in the wavelength range 2.18 ¹m- 2.19 ¹m using the Phoenix spectrograph ...

    • Parallaxes of Five L Dwarfs with a Robotic Telescope 

      Wang, Y.; Jones, H.R.A.; Smart, R.L.; Marocco, F.; Pinfield, D.J.; Shao, Z.; Steele, I.A.; Zhang, Z.; Andrei, A.H.; Burgasser, A. J.; Cruz, K. L.; Yu, J.; Clarke, J. R. A.; Leigh, C.J.; Sozzetti, A.; Murray, D. N.; Burningham, B. (2014-01-01)
      We report the parallax and proper motion of five L dwarfs obtained with observations from the robotic Liverpool Telescope. Our derived proper motions are consistent with published values and have considerably smaller errors. ...

    • A search for molecules in the atmosphere of HD 189733b 

      Barnes, J.R.; Barman, T.S.; Jones, H.R.A.; Barber, R.J.; Hansen, B.M.S.; Prato, L.; Rice, E.L.; Leigh, C.J.; Cameron, A.C.; Pinfield, D.J. (2010)
      We use signal enhancement techniques and a matched filter analysis to search for the K-band spectroscopic absorption signature of the close orbiting extrasolar giant planet, HD 189733b. With time-series observations taken ...

    • Spectroscopic characterisation of close orbiting extrasolar giant planets 

      Barnes, J.R.; Barman, T.S.; Jones, H.R.A.; Leigh, C.J.; Collier Cameron, A.; Prato, L.; Barber, R.J. (American Institute of Physics (AIP), 2009)
      A number of successful mid-infrared detections and studies of close orbiting extrasolar giant planetary atmospheres have been responsible for both driving and informing modelling efforts. Recent models have indicated that ...