120 citations
- The University of SydneyAU8 papers
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- U.S. Air Force Test Center4 papers
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13 papers · 1 filter
Polaris the Cepheid returns: 4.5 years of monitoring from ground and space
H. Bruntt, N. R. Evans, D. Stello +6
We present the analysis of 4.5 years of nearly continuous observations of the classical Cepheid Polaris, which comprise the most precise data available for this star. We have made…
Interpretation of the Cosmological Metric
Richard J. Cook, M. Shane Burns
The cosmological Robertson-Walker metric of general relativity is often said to have the consequences that (1) the recessional velocity of a galaxy at proper distance ob…
Oscillating K giants with the WIRE satellite: determination of their asteroseismic masses
D. Stello, H. Bruntt, H. Preston +1
Mass estimates of K giants are generally very uncertain. Traditionally, stellar masses of single field stars are determined by comparing their location in the Hertzsprung-Russell d…
Multisite campaign on the open cluster M67. III. Delta Scuti pulsations in the blue stragglers
H. Bruntt, D. Stello, J. C. Suarez +20
We have made an asteroseismic analysis of the variable blue stragglers in the open cluster M67. The data set consists of photometric time series from eight sites using nine 0.6-2.1…
Multisite campaign on the open cluster M67. II. Evidence for solar-like oscillations in red giant stars
D. Stello, H. Bruntt, H. Kjeldsen +19
Measuring solar-like oscillations in an ensemble of stars in a cluster, holds promise for testing stellar structure and evolution more stringently than just fitting parameters to s…
Asteroseismology with the WIRE satellite. I. Combining Ground- and Space-based Photometry of the Delta Scuti Star Epsilon Cephei
H. Bruntt, J. C. Suarez, T. R. Bedding +10
We have analysed ground-based multi-colour Stromgren photometry and single-filter photometry from the star tracker on the WIRE satellite of the delta scuti star Epsilon Cephei. The…