612 citations · 25.5k across the 406 of their papers we have counts for
10 papers · 1 filter
Evidence for solar-like oscillations in beta Hydri
Timothy R. Bedding, R. Paul Butler, Hans Kjeldsen +6
We have made a clear detection of excess power, providing strong evidence for solar-like oscillations in the G2 subgiant beta Hyi. We observed this star over five nights with the U…
Multi-wavelength observations of the red giant R Doradus with the MAPPIT interferometer
A. P. Jacob, T. R. Bedding, J. G. Robertson +4
We present visibility measurements of the nearby Mira-like star R Doradus taken over a wide range of wavelengths (650-990 nm). The observations were made using MAPPIT (Masked APert…
Optical and infrared interferometry
Timothy R. Bedding
Interferometric techniques are at the forefront of modern astronomical instrumentation. A new generation of instruments are either operating or nearing completion, including arrays…
Current status of Asteroseismology
Hans Kjeldsen, Timothy R. Bedding
Oscillation frequencies are the most accurate properties one can measure for a star, potentially allowing detailed tests of stellar models and evolution theories. We briefly review…
Hipparcos Luminosities and Asteroseismology
Timothy R. Bedding
Asteroseismology involves using the resonant frequencies of a star to infer details about its internal structure and evolutionary state. Oscillation frequencies are most useful whe…
Time-series Spectroscopy of Pulsating sdB Stars: PG1605+072
S. J. O'Toole, T. R. Bedding, H. Kjeldsen +6
We report the detection of velocity variations in the pulsating sdB star, PG 1605+072. Oscillations are detected at the same frequencies found from photometry and have amplitudes o…
Multi-wavelength visibility measurements of the red giant R Doradus
A. P. Jacob, T. R. Bedding, J. G. Robertson +4
We present visibility measurements of the nearby Mira-like star R Doradus taken over a wide range of wavelengths (650--990 nm). The observations were made using MAPPIT (Masked APer…
Time-series spectroscopy of the rapidly oscillating Ap star HR 3831
I. K. Baldry, T. R. Bedding
We present time-series spectroscopy of the rapidly oscillating Ap star HR 3831. This star has a dominant pulsation period of 11.7 minutes and a rotation period of 2.85 days. We hav…
Prospects for observing pulsating red giants with the MONS Star Trackers
Timothy R. Bedding
K and M giants show variability on timescales from years down to days and possibly even hours. I discuss the contribution that can be made with high-precision photometry that will…
The MONS Star Trackers
Timothy R. Bedding, Hans Kjeldsen
The MONS satellite will have two Star Trackers to sense the spacecraft attitude, and we plan to use them as scientific instruments to perform high-precision photometry of thousands…