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A Distant Mirror: Solar Oscillations Observed on Neptune by the Kepler K2 Mission
P. Gaulme, J. F. Rowe, T. R. Bedding +24
Starting in December 2014, Kepler K2 observed Neptune continuously for 49 days at a 1-minute cadence. The goals consisted of studying its atmospheric dynamics (Simon et al. 2016),…
Standing on the shoulders of Dwarfs: the Kepler asteroseismic LEGACY sample II - radii, masses, and ages
Victor Silva Aguirre, Mikkel N. Lund, H. M. Antia +21
We use asteroseismic data from the Kepler satellite to determine fundamental stellar properties of the 66 main-sequence targets observed for at least one full year by the mission.…
Standing on the shoulders of Dwarfs: the asteroseismic LEGACY sample I - oscillation mode parameters
Mikkel N. Lund, Víctor Silva Aguirre, Guy R. Davies +17
The advent of space-based missions like has revolutionized the study of solar-type stars, particularly through the measurement and modeling of their resonant modes of osci…
A new asteroseismic diagnostic for internal rotation in Doradus stars
Rhita-Maria Ouazzani, S. J. A. J. Salmon, V. Antoci +3
With four years of nearly-continuous photometry from Kepler, we are finally in a good position to apply asteroseismology to Doradus stars. In particular several analyses have d…
Kepler Observations of the Asteroseismic Binary HD 176465
T. R. White, O. Benomar, V. Silva Aguirre +31
Binary star systems are important for understanding stellar structure and evolution, and are especially useful when oscillations can be detected and analysed with asteroseismology.…
Asteroseismology of 1523 misclassified red giants using data
Jie Yu, Daniel Huber, Timothy R. Bedding +5
We analysed solar-like oscillations in 1523 red giants which have previously been misclassified as subgiants, with predicted values (based on the Ke…
The GALAH survey: The data reduction pipeline
Janez Kos, Jane Lin, Tomaž Zwitter +29
We present the data reduction procedures being used by the GALAH survey, carried out with the HERMES fibre-fed, multi-object spectrograph on the 3.9~m Anglo-Australian Telescope. G…
A planet in an 840-d orbit around a Kepler main-sequence A star found from phase modulation of its pulsations
Simon J. Murphy, Timothy R. Bedding, Hiromoto Shibahashi
We have detected a 12 M planet orbiting in or near the habitable zone of a main-sequence A star via the pulsational phase shifts induced by orbital motion. The planet h…
Finding binaries from phase modulation of pulsating stars with Kepler. IV. Detection limits and radial velocity verification
Simon J. Murphy, Hiromoto Shibahashi, Timothy R. Bedding
We explore the detection limits of the phase modulation (PM) method of finding binary systems among multi-periodic pulsating stars. The method is an attractive way of finding non-t…
Detection of Solar-Like Oscillations, Observational Constraints, and Stellar Models for Cyg, the Brightest Star Observed by the {\it Kepler} Mission
J. A. Guzik, G. Houdek, W. J. Chaplin +52
Cygni is an F3 spectral-type main-sequence star with visual magnitude V=4.48. This star was the brightest star observed by the original Kepler spacecraft mission. Short-cadence…
Binary star detectability in data from phase modulation of different types of oscillations
Douglas L. Compton, Timothy R. Bedding, Simon J. Murphy +1
Detecting binary stars in photometric time series is traditionally done by measuring eclipses. This requires the orbital plane to be aligned with the observer. A new method without…
Hot super-Earths stripped by their host stars
M. S. Lundkvist, H. Kjeldsen, S. Albrecht +26
Simulations predict that hot super-Earth sized exoplanets can have their envelopes stripped by photo-evaporation, which would present itself as a lack of these exoplanets. However,…
Stellar population synthesis based modelling of the Milky Way using asteroseismology of 13000 Kepler red giants
Sanjib Sharma, Dennis Stello, Joss Bland-Hawthorn +2
With current space-based missions it is now possible to obtain age-sensitive asteroseismic information for tens of thousands of red giants. This provides a promising opportunity to…
Spin-orbit alignment of exoplanet systems: ensemble analysis using asteroseismology
T. L. Campante, M. N. Lund, J. S. Kuszlewicz +23
The angle between a planet's orbital axis and the spin axis of its parent star is an important diagnostic of planet formation, migration, and tidal evolution. We seek empirical…
A prevalence of dynamo-generated magnetic fields in the cores of intermediate-mass stars
D. Stello, M. Cantiello, J. Fuller +5
Magnetic fields play a role in almost all stages of stellar evolution. Most low-mass stars, including the Sun, show surface fields that are generated by dynamo processes in their c…