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We present the first detections by the NASA K2 Mission of oscillations in solar-type stars, using short-cadence data collected during K2 Campaign\,1 (C1). We understand the asteroseismic detection thresholds for C1-like levels of…

Today, asteroseismology is entering in its golden age thanks to the observations provided by the CoRoT and Kepler space missions. In particular, we will make significant progresses in the understanding of the structure and evolution of…

Solar and Stellar Astrophysics · Physics 2011-01-04 R. A. Garcia

The NASA Kepler mission -in flight since March 2009- is producing an enormous number of high-quality continuous light curves. Now, and for the first time ever, we are able to do ensemble asteroseismology, i.e., to do an asteroseismic…

Solar and Stellar Astrophysics · Physics 2013-07-05 R. A. Garcia

Asteroseismology using space-based telescopes is vital to our understanding of stellar structure and evolution. {\textit{CoRoT}}, {\textit{Kepler}}, and {\textit{TESS}} space telescopes have detected large numbers of solar-like oscillating…

Solar and Stellar Astrophysics · Physics 2021-05-12 Z. Çelik Orhan , M. Yıldız , C. Kayhan

The NASA Kepler mission is providing an unprecedented set of asteroseismic data. In particular, short-cadence lightcurves (~60s samplings), allow us to study solar-like stars covering a wide range of masses, spectral types and evolutionary…

The detection of oscillations with a mixed character in subgiants and red giants allows us to probe the physical conditions in their cores. With these mixed modes, we aim at determining seismic markers of stellar evolution. Kepler…

The evolved solar-type stars 16 Cyg A & B have long been studied as solar analogs, yielding a glimpse into the future of our own Sun. The orbital period of the binary system is too long to provide meaningful dynamical constraints on the…

The NASA Kepler mission has been continuously monitoring the same field of the sky since the successful launch in March 2009, providing high-quality stellar lightcurves that are excellent data for asteroseismology, far superior to any other…

Solar and Stellar Astrophysics · Physics 2015-06-18 A. O. Thygesen , H. Bruntt , W. J. Chaplin , S. Basu

Over the past two decades, helioseismology has revolutionized our understanding of the interior structure and dynamics of the Sun. Asteroseismology will soon place this knowledge into a broader context by providing structural data for…

Solar and Stellar Astrophysics · Physics 2009-06-16 T. S. Metcalfe , O. L. Creevey , J. Christensen-Dalsgaard

New insights on stellar evolution and stellar interiors physics are being made possible by asteroseismology. Throughout the course of the Kepler mission, asteroseismology has also played an important role in the characterization of…

Recently the number of main-sequence and subgiant stars exhibiting solar-like oscillations that are resolved into individual mode frequencies has increased dramatically. While only a few such data sets were available for detailed modeling…

We present preliminary asteroseismic results from Kepler on three G-type stars. The observations, made at one-minute cadence during the first 33.5d of science operations, reveal high signal-to-noise solar-like oscillation spectra in all…

Solar and Stellar Astrophysics · Physics 2015-05-14 W. J. Chaplin , T. Appourchaux , Y. Elsworth , R. A. Garcia , G. Houdek , C. Karoff , T. S. Metcalfe , J. Molenda-Zakowicz , M. J. P. F. G. Monteiro , M. J. Thompson , T. M. Brown , J. Christensen-Dalsgaard , R. L. Gilliland , H. Kjeldsen , W. J. Borucki , D. Koch , J. M. Jenkins , J. Ballot , S. Basu , M. Bazot , T. R. Bedding , O. Benomar , A. Bonanno , I. M. Brandao , H. Bruntt , T. L. Campante , O. L. Creevey , M. P. Di Mauro , G. Dogan , S. Dreizler , P. Eggenberger , L. Esch , S. T. Fletcher , S. Frandsen , N. Gai , P. Gaulme , R. Handberg , S. Hekker , R. Howe , D. Huber , S. G. Korzennik , J. C. Lebrun , S. Leccia , M. Martic , S. Mathur , B. Mosser , R. New , P. -O. Quirion , C. Regulo , I. W. Roxburgh , D. Salabert , J. Schou , S. G. Sousa , D. Stello , G. A. Verner , T. Arentoft , C. Barban , K. Belkacem , S. Benatti , K. Biazzo , P. Boumier , P. A. Bradley , A. -M. Broomhall , D. L. Buzasi , R. U. Claudi , M. S. Cunha , F. D'Antona , S. Deheuvels , A. Derekas , A. Garcia Hernandez , M. S. Giampapa , M. J. Goupil , M. Gruberbauer , J. A. Guzik , S. J. Hale , M. J. Ireland , L. L. Kiss , I. N. Kitiashvili , K. Kolenberg , H. Korhonen , A. G. Kosovichev , F. Kupka , Y. Lebreton , B. Leroy , H. -G. Ludwig , S. Mathis , E. Michel , A. Miglio , J. Montalban , A. Moya , A. Noels , R. W. Noyes , P. L. Palle , L. Piau , H. L. Preston , T. Roca Cortes , M. Roth , K. H. Sato , J. Schmitt , A. M. Serenelli , V. Silva Aguirre , I. R. Stevens , J. C. Suarez , M. D. Suran , R. Trampedach , S. Turck-Chieze , K. Uytterhoeven , R. Ventura

Helioseismology has enabled us to better understand the solar interior, while also allowing us to better constrain solar models. But now is a tremendous epoch for asteroseismology as space missions dedicated to studying stellar oscillations…

Solar and Stellar Astrophysics · Physics 2015-05-14 S. Mathur , R. A. Garcia , C. Regulo , O. L. Creevey , J. Ballot , D. Salabert , T. Arentoft , P. -O. Quirion , W. J. Chaplin , H. Kjeldsen

The last decade has seen a rapid development in asteroseismology thanks to the CoRoT and Kepler missions. With more detailed asteroseismic observations available, it is becoming possible to infer exactly how oscillations are driven and…

Solar and Stellar Astrophysics · Physics 2020-06-03 Yixiao Zhou , Martin Asplund , Remo Collet , Meridith Joyce

Asteroseismology has grown from its beginnings three decades ago to a mature field teeming with discoveries and applications. This phenomenal growth has been enabled by space photometry with precision $10-100$ times better than ground-based…

Solar and Stellar Astrophysics · Physics 2022-02-11 Donald Kurtz

Over the past two decades, helioseismology has revolutionized our understanding of the interior structure and dynamics of the Sun. Asteroseismology will soon place this knowledge into a broader context by providing structural data for…

Solar and Stellar Astrophysics · Physics 2009-10-02 T. S. Metcalfe , O. L. Creevey , J. Christensen-Dalsgaard

We present the asteroseismic analysis of 1948 F-, G- and K-type main-sequence and subgiant stars observed by the NASA {\em Kepler Mission}. We detect and characterise solar-like oscillations in 642 of these stars. This represents the…

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

Asteroseismology may in principle be used to detect unresolved stellar binary systems comprised of solar-type stars and/or red giants. This novel method relies on the detection of the presence of two solar-like oscillation spectra in the…

Solar and Stellar Astrophysics · Physics 2015-06-18 A. Miglio , W. J. Chaplin , R. Farmer , U. Kolb , L. Girardi , Y. Elsworth , T. Appourchaux , R. Handberg