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The NASA Kepler mission has observed more than 190,000 stars in the constellations of Cygnus and Lyra. Around 4 years of almost continuous ultra high-precision photometry have been obtained reaching a duty cycle higher than 90% for many of…

Asteroseismology allows us to probe the internal structure of stars through their global modes of oscillation. Thanks to missions such as the NASA Kepler space observatory, we now have high-quality asteroseismic data for nearly 100…

Solar and Stellar Astrophysics · Physics 2020-01-15 Earl Patrick Bellinger

The Transiting Exoplanet Survey Satellite (TESS) is NASA's latest space telescope dedicated to the discovery of transiting exoplanets around nearby stars. Besides the main goal of the mission, asteroseismology is an important secondary goal…

The TESS mission has provided a wealth of asteroseismic data for solar-like oscillators. However, these data are subject to varying cadences, large gaps, and unequal sampling, which complicates analysis in the frequency domain. One solution…

Solar and Stellar Astrophysics · Physics 2024-03-06 Daniel Hey , Daniel Huber , Joel Ong , Dennis Stello , Daniel Foreman-Mackey

Since the onset of the `space revolution' of high-precision high-cadence photometry, asteroseismology has been demonstrated as a powerful tool for informing Galactic archaeology investigations. The launch of the NASA TESS mission has…

In asteroseismology, the observed time series often suffers from incomplete time coverage due to gaps. The presence of periodic gaps may generate spurious peaks in the power spectrum that limit the analysis of the data. Various methods have…

Solar and Stellar Astrophysics · Physics 2015-06-23 Sandrine Pires , Savita Mathur , Rafael A. Garcia , Jérôme Ballot , Dennis Stello , Kumiko Sato

Asteroseismic methods offer a means to investigate stellar activity and activity cycles as well as to identify those properties of stars which are crucial for the operation of stellar dynamos. With data from CoRoT and \textit{Kepler},…

Solar and Stellar Astrophysics · Physics 2019-08-06 René Kiefer , Anne-Marie Broomhall , Warrick H. Ball

Optical timing with rapid, seconds-to-minutes cadences with high photometric precision and gap-free long baselines is necessary for an unambiguous physical picture of accretion phenomena, and is only possible from space. Exoplanet-hunting…

Instrumentation and Methods for Astrophysics · Physics 2024-06-25 Krista Lynne Smith

The study of stellar oscillations - asteroseismology - has revolutionized our understanding of the physical properties of the Sun, and similar potential for other stars has been demonstrated in recent years. In particular, asteroseismic…

Astrophysics · Physics 2007-05-23 D. Stello , H. Kjeldsen , T. R. Bedding

As a response to the white paper call, we propose to turn Kepler to the South Ecliptic Pole (SEP) and observe thousands of large amplitude variables for years with high cadence in the frame of the Kepler-SEP Mission. The degraded pointing…

The length of the asteroseismic timeseries obtained from the Kepler satellite analysed here span 19 months. Kepler provides the longest continuous timeseries currently available, which calls for a study of the influence of the increased…

Solar and Stellar Astrophysics · Physics 2015-06-05 S. Hekker , Y. Elsworth , B. Mosser , T. Kallinger , W. J. Chaplin , J. De Ridder , R. A. Garcia , D. Stello , B. D. Clarke , J. R. Hall , K. A. Ibrahim

Kepler, K2, TESS, and similar time-domain photometric projects, while designed with exoplanet detection in mind, are also well-suited projects for searches for large artificial structures orbiting other stars in the Galaxy. An effort to…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 Jason T. Wright , David Kipping

The recent NASA TESS mission has the potential to increase the available asteroseismic sample dramatically, but its precision and accuracy have yet to be confirmed. To date, NASA's Kepler mission has been considered the gold standard for…

Solar and Stellar Astrophysics · Physics 2023-07-27 Artemis Theano Theodoridis , Jamie Tayar

Asteroseismology has started to provide constraints on stellar properties that will be essential to accurately reconstruct the history of the Milky Way. Here we look at the information content in data sets representing current and future…

Solar and Stellar Astrophysics · Physics 2016-10-19 G. R. Davies , A. Miglio

During its two-year prime mission, the Transiting Exoplanet Survey Satellite (TESS) is obtaining full-frame images with a regular 30-minute cadence in a sequence of 26 sectors that cover a combined 85% of the sky. While its primary science…

Instrumentation and Methods for Astrophysics · Physics 2020-02-06 Keaton J. Bell

Quantitative helio- and asteroseismology require very precise measurements of the frequencies, amplitudes, and lifetimes of the global modes of stellar oscillation. It is common knowledge that the precision of these measurements depends on…

Astrophysics · Physics 2009-11-13 Thorsten Stahn , Laurent Gizon

The long-term monitoring and high photometric precision of the Kepler satellite will provide a unique opportunity to sound the stellar cycles of many solar-type stars using asteroseismology. This can be achieved by studying periodic changes…

Solar and Stellar Astrophysics · Physics 2015-05-13 C. Karoff , T. S. Metcalfe , W. J. Chaplin , Y. Elsworth , H. Kjeldsen , T. Arentoft , D. Buzasi

The recent asteroseismic data from the CoRoT and Kepler missions have provided an entirely new basis for investigating stellar properties. This has led to a rapid development in techniques for analysing such data, although it is probably…

Solar and Stellar Astrophysics · Physics 2015-06-12 J. Christensen-Dalsgaard

The slowly pulsating B (SPB) stars are a class of variable star with masses between about 3 and 8 M$_{\odot}$. Their gravity-mode pulsation frequencies are sensitive to the near-core structure, which makes them useful probes of rotation and…

Solar and Stellar Astrophysics · Physics 2025-12-08 L. J. A. Scott , D. M. Bowman

The advent of space-based photometry missions in the early 21st century enabled the application to asteroseismic data of advanced inference techniques until then restricted to the field of helioseismology. The high quality of the…

Solar and Stellar Astrophysics · Physics 2022-06-24 Gaël Buldgen , Jérôme Bétrisey , Ian W. Roxburgh , Sergei V. Vorontsov , Daniel R. Reese
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