Browsing by Author "Cameron, A.C."

Now showing items 1-4 of 4

    • Doppler images and chromospheric variability of TWA 17 

      Skelly, M.B.; Unruh, Y.C.; Barnes, J.R.; Lawson, W.A.; Donati, J-F.; Cameron, A.C. (2009)
      We present Doppler imaging and a Balmer line analysis of the weak-line T Tauri star TWA 17. Spectra were taken in 2006 with the University College London Echelle Spectrograph on the Anglo-Australian Telescope. Using ...

    • Doppler images and chromospheric variability of TWA 6 

      Skelly, M.B.; Unruh, Y.C.; Cameron, A.C.; Barnes, J.R.; Donati, J-F.; Lawson, W.A.; Carter, B.D. (2008)

    • 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 ´ ...

    • 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 ...