Search Results - "Chaplin, William J"

Asteroseismology of Solar-Type and Red-Giant Stars by Chaplin, William J, Miglio, Andrea

“…We are entering a golden era for stellar physics driven by satellite and telescope observations of unprecedented quality and scope. New insights on stellar…”
Get full text

aims – a new tool for stellar parameter determinations using asteroseismic constraints by Rendle, Ben M, Buldgen, Gaël, Miglio, Andrea, Reese, Daniel, Noels, Arlette, Davies, Guy R, Campante, Tiago L, Chaplin, William J, Lund, Mikkel N, Kuszlewicz, James S, Scott, Laura J A, Scuflaire, Richard, Ball, Warrick H, Smetana, Jiri, Nsamba, Benard

“…A key aspect in the determination of stellar properties is the comparison of observational constraints with predictions from stellar models. Asteroseismic…”
Get full text

Standing on the Shoulders of Dwarfs: the Kepler Asteroseismic LEGACY Sample. I. Oscillation Mode Parameters by Lund, Mikkel N., Aguirre, Víctor Silva, Davies, Guy R., Chaplin, William J., Christensen-Dalsgaard, Jørgen, Houdek, Günter, White, Timothy R., Bedding, Timothy R., Ball, Warrick H., Huber, Daniel, Antia, H. M., Lebreton, Yveline, Latham, David W., Handberg, Rasmus, Verma, Kuldeep, Basu, Sarbani, Casagrande, Luca, Justesen, Anders B., Kjeldsen, Hans, Mosumgaard, Jakob R.

“…The advent of space-based missions like Kepler has revolutionized the study of solar-type stars, particularly through the measurement and modeling of their…”
Get full text

Gravity modes as a way to distinguish between hydrogen- and helium-burning red giant stars by Bedding, Timothy R., Mosser, Benoit, Huber, Daniel, Montalbán, Josefina, Beck, Paul, Christensen-Dalsgaard, Jørgen, Elsworth, Yvonne P., García, Rafael A., Miglio, Andrea, Stello, Dennis, White, Timothy R., De Ridder, Joris, Hekker, Saskia, Aerts, Conny, Barban, Caroline, Belkacem, Kevin, Broomhall, Anne-Marie, Brown, Timothy M., Buzasi, Derek L., Carrier, Fabien, Chaplin, William J., Di Mauro, Maria Pia, Dupret, Marc-Antoine, Frandsen, Søren, Gilliland, Ronald L., Goupil, Marie-Jo, Jenkins, Jon M., Kallinger, Thomas, Kawaler, Steven, Kjeldsen, Hans, Mathur, Savita, Noels, Arlette, Aguirre, Victor Silva, Ventura, Paolo

“…Kepler-based asteroseismology sorts red giants NASA's Kepler mission has been remarkably productive in its primary role, that of discovering and characterizing…”
Get full text

The Influence of Metallicity on Stellar Differential Rotation and Magnetic Activity by Karoff, Christoffer, Metcalfe, Travis S., Santos, Ângela R. G., Montet, Benjamin T., Isaacson, Howard, Witzke, Veronika, Shapiro, Alexander I., Mathur, Savita, Davies, Guy R., Lund, Mikkel N., Garcia, Rafael A., Brun, Allan S., Salabert, David, Avelino, Pedro P., Saders, Jennifer van, Egeland, Ricky, Cunha, Margarida S., Campante, Tiago L., Chaplin, William J., Krivova, Natalie, Solanki, Sami K., Stritzinger, Maximilian, Knudsen, Mads F.

“…Observations of Sun-like stars over the past half-century have improved our understanding of how magnetic dynamos, like that responsible for the 11 yr solar…”
Get full text

Chronologically dating the early assembly of the Milky Way by Montalbán, Josefina, Mackereth, J. Ted, Miglio, Andrea, Vincenzo, Fiorenzo, Chiappini, Cristina, Buldgen, Gael, Mosser, Benoît, Noels, Arlette, Scuflaire, Richard, Vrard, Mathieu, Willett, Emma, Davies, Guy R., Hall, Oliver J., Bo Nielsen, Martin, Khan, Saniya, Rendle, Ben M., van Rossem, Walter E., Ferguson, Jason W., Chaplin, William J.

“…The standard cosmological model predicts that galaxies are built through hierarchical assembly on cosmological timescales 1 , 2 . The Milky Way, like other…”
Get full text

Fresh Insights on the Structure of the Solar Core by Basu, Sarbani, Chaplin, William J, Elsworth, Yvonne, New, Roger, Serenelli, Aldo M

Get full text

Science Extraction from TESS Observations of Known Exoplanet Hosts by Kane, Stephen R., Bean, Jacob L., Campante, Tiago L., Dalba, Paul A., Fetherolf, Tara, Mocnik, Teo, Ostberg, Colby, Pepper, Joshua, Simpson, Emilie R., Turnbull, Margaret C., Ricker, George R., Vanderspek, Roland, Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Huber, Daniel, Chaplin, William J.

“…The transit method of exoplanet discovery and characterization has enabled numerous breakthroughs in exoplanetary science. These include measurements of…”
Get full text

Kepler Asteroseismology Program: Introduction and First Results by Gilliland, Ronald L., Brown, Timothy M., Christensen-Dalsgaard, Jørgen, Kjeldsen, Hans, Aerts, Conny, Appourchaux, Thierry, Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Cunha, Margarida S., De Cat, Peter, De Ridder, Joris, Guzik, Joyce A., Handler, Gerald, Kawaler, Steven, Kiss, László, Kolenberg, Katrien, Kurtz, Donald W., Metcalfe, Travis S., Monteiro, Mario J. P. F. G., Szabó, Robert, Arentoft, Torben, Balona, Luis, Debosscher, Jonas, Elsworth, Yvonne P., Quirion, Pierre-Olivier, Stello, Dennis, Suárez, Juan Carlos, Borucki, William J., Jenkins, Jon M., Koch, David, Kondo, Yoji, Latham, David W., Rowe, Jason F., Steffen, Jason H.

“…Asteroseismology involves probing the interiors of stars and quantifying their global properties, such as radius and age, through observations of normal modes…”
Get full text

ASTEROSEISMIC ESTIMATE OF HELIUM ABUNDANCE OF A SOLAR ANALOG BINARY SYSTEM by Verma, Kuldeep, Faria, Joao P, Antia, H M, Basu, Sarbani, MAZUMDAR, ANWESH, MONTEIRO, MARIO J P F G, APPOURCHAUX, THIERRY, Chaplin, William J, Garcia, Rafael A, Metcalfe, Travis S

“…16 Cyg A and B are among the brightest stars observed by Kepler. What makes these stars more interesting is that they are solar analogs. 16 Cyg A and B exhibit…”
Get full text

Revisiting the Red Giant Branch Hosts KOI-3886 and ι Draconis. Detailed Asteroseismic Modeling and Consolidated Stellar Parameters by Campante, Tiago L., Li, Tanda, Ong, J. M. Joel, Corsaro, Enrico, Cunha, Margarida S., Bedding, Timothy R., Bossini, Diego, Breton, Sylvain N., Buzasi, Derek L., Chaplin, William J., Deal, Morgan, García, Rafael A., Hill, Michelle L., Hon, Marc, Huber, Daniel, Jiang, Chen, Kane, Stephen R., Kayhan, Cenk, Kuszlewicz, James S., Lillo-Box, Jorge, Mathur, Savita, F. G. Monteiro, Mário J. P., Pereira, Filipe, Santos, Nuno C., Serenelli, Aldo, Stello, Dennis

“…Abstract Asteroseismology is playing an increasingly important role in the characterization of red giant host stars and their planetary systems. Here, we…”
Get full text

TESS Asteroseismic Analysis of HD 76920: The Giant Star Hosting an Extremely Eccentric Exoplanet by Jiang, Chen, Wu, Tao, Feinstein, Adina D., Stassun, Keivan G., Bedding, Timothy R., Veras, Dimitri, Corsaro, Enrico, Buzasi, Derek L., Stello, Dennis, Li, Yaguang, Mathur, Savita, García, Rafael A., Breton, Sylvain N., Lundkvist, Mia S., Mikołajczyk, Przemysław J., Gehan, Charlotte, Campante, Tiago L., Bossini, Diego, Kane, Stephen R., Joel Ong, Jia Mian, Yıldız, Mutlu, Kayhan, Cenk, Çelik Orhan, Zeynep, Örtel, Sibel, Zhang, Xinyi, Cunha, Margarida S., de Moura, Bruno Lustosa, Yu, Jie, Huber, Daniel, Ou, Jian-wen, Wittenmyer, Robert A., Gizon, Laurent, Chaplin, William J.

“…Abstract The Transiting Exoplanet Survey Satellite (TESS) mission searches for new exoplanets. The observing strategy of TESS results in high-precision…”
Get full text

The Amplitude of Solar Oscillations Using Stellar Techniques by Kjeldsen, Hans, Bedding, Timothy R, Arentoft, Torben, Butler, R. Paul, Dall, Thomas H, Karoff, Christoffer, Kiss, László L, Tinney, C. G, Chaplin, William J

“…The amplitudes of solar-like oscillations depend on the excitation and damping, both of which are controlled by convection. Comparing observations with theory…”
Get full text

Data preparation for asteroseismology with TESS by Lund, Mikkel N., Handberg, Rasmus, Kjeldsen, Hans, Chaplin, William J., Christensen-Dalsgaard, Jørgen

“…The Transiting Exoplanet Survey Satellite (TESS) is a NASA Astrophysics Explorer mission. Following its scheduled launch in 2017, TESS will focus on detecting…”
Get full text

The Behaviour of Galactic Cosmic-Ray Intensity During Solar Activity Cycle 24 by Ross, Eddie, Chaplin, William J.

“…We have studied long-term variations of galactic cosmic-ray (GCR) intensity in relation to the sunspot number (SSN) during the most recent solar cycles. This…”
Get full text

Determination of Stellar Radii from Asteroseismic Data by Basu, Sarbani, Chaplin, William J, Elsworth, Yvonne

“…The NASA Kepler mission is designed to find planets through transits. Accurate and precise radii of the detected planets depend on knowing the radius of the…”
Get full text

An In-depth Study of Grid-based Asteroseismic Analysis by Gai, Ning, Basu, Sarbani, Chaplin, William J, Elsworth, Yvonne

“…NASA's Kepler mission is providing basic asteroseismic data for hundreds of stars. One of the more common ways of determining stellar characteristics from…”
Get full text

Changing the ν max Scaling Relation: The Need for a Mean Molecular Weight Term by Viani, Lucas S., Basu, Sarbani, Chaplin, William J., Davies, Guy R., Elsworth, Yvonne

“…Abstract The scaling relations that relate the average asteroseismic parameters and to the global properties of stars are used quite extensively to determine…”
Get full text

The more the merrier: grid based modelling of Kepler dwarfs with 5-dimensional stellar grids by Serenelli, Aldo, Chaplin, William J., Huber, Daniel

“…We present preliminary results of our grid based modelling (GBM) of the dwarf/subgiant sample of stars observed with Kepler including global asteroseismic…”
Get full text

Determining stellar macroturbulence using asteroseismic rotational velocities from Kepler by Doyle, Amanda P., Davies, Guy R., Smalley, Barry, Chaplin, William J., Elsworth, Yvonne

“…The Rossiter–McLaughlin effect observed for transiting exoplanets often requires prior knowledge of the stellar projected equatorial rotational velocity (v sin…”
Get full text