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AMP: A Science-driven Web-based Application for the TeraGrid
Matthew Woitaszek, Travis Metcalfe, Ian Shorrock
The Asteroseismic Modeling Portal (AMP) provides a web-based interface for astronomers to run and view simulations that derive the properties of Sun-like stars from observations of…
Unveiling stellar magnetic activity using CoRoT seismic observations
Savita Mathur, Rafael A. Garcia, David Salabert +4
It is well known that in the Sun, the frequencies and amplitudes of acoustic modes vary throughout the solar cycle. Indeed, while the magnetic activity goes towards its maximum, th…
Constraints of a pulsation frequency on stellar parameters in the eclipsing spectroscopic binary system: V577 Oph
O. L. Creevey, J. Telting, J. A. Blemonte +7
We present a preliminary spectroscopic analysis of the binary system V577Oph, observed during the summer of 2007 on the 2.6m NOT telescope on La Palma. We have obtained time series…
A precise asteroseismic age and radius for the evolved Sun-like star KIC 11026764
T. S. Metcalfe, M. J. P. F. G. Monteiro, M. J. Thompson +55
The primary science goal of the Kepler Mission is to provide a census of exoplanets in the solar neighborhood, including the identification and characterization of habitable Earth-…
Discovery of a 1.6-year Magnetic Activity Cycle in the Exoplanet Host Star iota Horologii
T. S. Metcalfe, S. Basu, T. J. Henry +5
The Mount Wilson Ca HK survey revealed magnetic activity variations in a large sample of solar-type stars with timescales ranging from 2.5 to 25 years. This broad range of cycle pe…
CoRoT reveals a magnetic activity cycle in a Sun-like star
Rafael A. Garcia, Savita Mathur, David Salabert +4
The 11-year activity cycle of the Sun is a consequence of a dynamo process occurring beneath its surface. We analyzed photometric data obtained by the CoRoT space mission, showing…