Author

Number of items: 3.
2016
  • The Rotation of the halo of NGC 6822 from the radial velocities of carbon stars. (2016) Graham Thompson, Sean Ryan and Lisette Sibbons
    • 2015
  • Spectral classification of photometrically selected AGB candidates in NGC 6822. (2015) L. F. Sibbons, Sean G. Ryan, Ralf Napiwotzki and G. P. Thompson
  • The AGB population in IC 1613 using JHK photometry. (2015) L. F. Sibbons, Sean G. Ryan, M. Irwin and R. Napiwotzki