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The radius and other fundamental parameters of the F9 V star beta Virginis
J. R. North, J. Davis, J. G. Robertson +10
We have used the Sydney University Stellar Interferometer (SUSI) to measure the angular diameter of the F9 V star beta Virginis. After correcting for limb darkening and combining w…
Welcome back, Polaris the Cepheid
H. Bruntt, A. J. Penny, D. Stello +2
For about 100 years the amplitude of the 4-day pulsation in Polaris has decreased. We present new results showing a significant increase in the amplitude based on 4.5 years of cont…
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…
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…