Search Results - "Aguirre, Victor Silva"

The Fall of a Giant. Chemical evolution of Enceladus, alias the Gaia Sausage by Vincenzo, Fiorenzo, Spitoni, Emanuele, Calura, Francesco, Matteucci, Francesca, Silva Aguirre, Victor, Miglio, Andrea, Cescutti, Gabriele

“…ABSTRACT We present the first chemical evolution model for Enceladus, alias the Gaia Sausage, to investigate the star formation history of one of the most…”
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Asteroseismic radii of dwarfs: new accuracy constraints from Gaia DR2 parallaxes by Sahlholdt, Christian L, Silva Aguirre, Victor

“…Abstract Precise stellar masses and radii can be determined using asteroseismology, but their accuracy must be tested against independent estimates. Using…”
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Age-dating Red Giant Stars Associated with Galactic Disk and Halo Substructures by Grunblatt, Samuel K., Zinn, Joel C., Price-Whelan, Adrian M., Angus, Ruth, Saunders, Nicholas, Hon, Marc, Stokholm, Amalie, Bellinger, Earl P., Martell, Sarah L., Mosser, Benoit, Cunningham, Emily, Tayar, Jamie, Huber, Daniel, Rørsted, Jakob Lysgaard, Silva Aguirre, Victor

“…Abstract The vast majority of Milky Way stellar halo stars were likely accreted from a small number (≲3) of relatively large dwarf galaxy accretion events…”
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The K2 Galactic Archaeology Program Data Release 3: Age-abundance Patterns in C1–C8 and C10–C18 by Zinn, Joel C., Stello, Dennis, Elsworth, Yvonne, García, Rafael A., Kallinger, Thomas, Mathur, Savita, Mosser, Benoît, Hon, Marc, Bugnet, Lisa, Jones, Caitlin, Reyes, Claudia, Sharma, Sanjib, Schönrich, Ralph, Warfield, Jack T., Luger, Rodrigo, Vanderburg, Andrew, Kobayashi, Chiaki, Pinsonneault, Marc H., Johnson, Jennifer A., Huber, Daniel, Buder, Sven, Joyce, Meridith, Bland-Hawthorn, Joss, Casagrande, Luca, Lewis, Geraint F., Miglio, Andrea, Nordlander, Thomas, Davies, Guy R., Silva, Gayandhi De, Chaplin, William J., Silva Aguirre, Victor

“…Abstract We present the third and final data release of the K2 Galactic Archaeology Program (K2 GAP) for Campaigns C1–C8 and C10–C18. We provide asteroseismic…”
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Stellar Spin-Orbit Misalignment in a Multiplanet System by Huber, Daniel, Carter, Joshua A., Barbieri, Mauro, Miglio, Andrea, Deck, Katherine M., Fabrycky, Daniel C., Montet, Benjamin T., Buchhave, Lars A., Chaplin, William J., Hekker, Saskia, Montalbán, Josefina, Sanchis-Ojeda, Roberto, Basu, Sarbani, Bedding, Timothy R., Campante, Tiago L., Christensen-Dalsgaard, Jørgen, Elsworth, Yvonne P., Stello, Dennis, Arentoft, Torben, Ford, Eric B., Gilliland, Ronald L., Handberg, Rasmus, Howard, Andrew W., Isaacson, Howard, Johnson, John Asher, Karoff, Christoffer, Kawaler, Steven D., Kjeldsen, Hans, Latham, David W., Lund, Mikkel N., Lundkvist, Mia, Marcy, Geoffrey W., Metcalfe, Travis S., Aguirre, Victor Silva, Winn, Joshua N.

“…Stars hosting hot Jupiters are often observed to have high obliquities, whereas stars with multiple coplanar planets have been seen to have low obliquities…”
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Prospects for Galactic and stellar astrophysics with asteroseismology of giant stars in the TESS continuous viewing zones and beyond by Mackereth, J Ted, Miglio, Andrea, Elsworth, Yvonne, Mosser, Benoit, Mathur, Savita, Garcia, Rafael A, Nardiello, Domenico, Hall, Oliver J, Vrard, Mathieu, Ball, Warrick H, Basu, Sarbani, Beaton, Rachael L, Beck, Paul G, Bergemann, Maria, Bossini, Diego, Casagrande, Luca, Campante, Tiago L, Chaplin, William J, Chiappini, Cristina, Girardi, Léo, Jørgensen, Andreas Christ Sølvsten, Khan, Saniya, Montalbán, Josefina, Nielsen, Martin B, Pinsonneault, Marc H, Rodrigues, Thaíse S, Serenelli, Aldo, Silva Aguirre, Victor, Stello, Dennis, Tayar, Jamie, Teske, Johanna, van Saders, Jennifer L, Willett, Emma

“…ABSTRACT The NASA Transiting Exoplanet Survey Satellite (NASA-TESS) mission presents a treasure trove for understanding the stars it observes and the Milky…”
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Weighing stars from birth to death: mass determination methods across the HRD by Serenelli, Aldo, Weiss, Achim, Aerts, Conny, Angelou, George C., Baroch, David, Bastian, Nate, Beck, Paul G., Bergemann, Maria, Bestenlehner, Joachim M., Czekala, Ian, Elias-Rosa, Nancy, Escorza, Ana, Van Eylen, Vincent, Feuillet, Diane K., Gandolfi, Davide, Gieles, Mark, Girardi, Léo, Lebreton, Yveline, Lodieu, Nicolas, Martig, Marie, Miller Bertolami, Marcelo M., Mombarg, Joey S. G., Morales, Juan Carlos, Moya, Andrés, Nsamba, Benard, Pavlovski, Krešimir, Pedersen, May G., Ribas, Ignasi, Schneider, Fabian R. N., Silva Aguirre, Victor, Stassun, Keivan G., Tolstoy, Eline, Tremblay, Pier-Emmanuel, Zwintz, Konstanze

“…The mass of a star is the most fundamental parameter for its structure, evolution, and final fate. It is particularly important for any kind of stellar…”
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TESS Asteroseismology of α Mensae: Benchmark Ages for a G7 Dwarf and Its M Dwarf Companion by Chontos, Ashley, Huber, Daniel, Berger, Travis A., Kjeldsen, Hans, Serenelli, Aldo M., Silva Aguirre, Victor, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Claytor, Zachary R., Corsaro, Enrico, Garcia, Rafael A., Howell, Steve B., Lundkvist, Mia S., Mathur, Savita, Metcalfe, Travis S., Nielsen, Martin B., Mian Joel Ong, Jia, Çelik Orhan, Zeynep, Örtel, Sibel, Salama, Maissa, Stassun, Keivan G., Townsend, R. H. D., van Saders, Jennifer L., Winther, Mark, Yildiz, Mutlu, Butler, R. Paul, Tinney, C. G., Wittenmyer, Robert A.

“…Abstract Asteroseismology of bright stars has become increasingly important as a method to determine the fundamental properties (in particular ages) of stars…”
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A 20 Second Cadence View of Solar-type Stars and Their Planets with TESS: Asteroseismology of Solar Analogs and a Recharacterization of π Men c by Huber, Daniel, White, Timothy R., Metcalfe, Travis S., Chontos, Ashley, Fausnaugh, Michael M., Ho, Cynthia S. K., Van Eylen, Vincent, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Benomar, Othman, Bossini, Diego, Breton, Sylvain, Buzasi, Derek L., Campante, Tiago L., Chaplin, William J., Christensen-Dalsgaard, Jørgen, Cunha, Margarida S., Deal, Morgan, García, Rafael A., García Muñoz, Antonio, Gehan, Charlotte, González-Cuesta, Lucía, Jiang, Chen, Kayhan, Cenk, Kjeldsen, Hans, Lundkvist, Mia S., Mathis, Stéphane, Mathur, Savita, Monteiro, Mário J. P. F. G., Nsamba, Benard, Ong, Jia Mian Joel, Pakštienė, Erika, Serenelli, Aldo M., Silva Aguirre, Victor, Stassun, Keivan G., Stello, Dennis, Norgaard Stilling, Sissel, Lykke Winther, Mark, Wu, Tao, Barclay, Thomas, Daylan, Tansu, Günther, Maximilian N., Hermes, J. J., Jenkins, Jon M., Latham, David W., Levine, Alan M., Ricker, George R., Seager, Sara, Shporer, Avi, Twicken, Joseph D., Vanderspek, Roland K., Winn, Joshua N.

“…Abstract We present an analysis of the first 20 second cadence light curves obtained by the TESS space telescope during its extended mission. We find improved…”
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ACCURATE PARAMETERS OF THE OLDEST KNOWN ROCKY-EXOPLANET HOSTING SYSTEM: KEPLER-10 REVISITED by Fogtmann-Schulz, Alexandra, HINRUP, BRIAN, VAN EYLEN, VINCENT, Christensen-Dalsgaard, Jorgen, Kjeldsen, Hans, Aguirre, Victor Silva, Tingley, Brandon

“…Since the discovery of Kepler-10, the system has received considerable interest because it contains a small, rocky planet which orbits the star in less than a…”
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Updated BaSTI Stellar Evolution Models and Isochrones. II. α-enhanced Calculations by Pietrinferni, Adriano, Hidalgo, Sebastian, Cassisi, Santi, Salaris, Maurizio, Savino, Alessandro, Mucciarelli, Alessio, Verma, Kuldeep, Aguirre, Victor Silva, Aparicio, Antonio, Ferguson, Jason W.

“…Abstract This is the second paper of a series devoted to presenting an updated release of the BaSTI (a Bag of Stellar Tracks and Isochrones) stellar model and…”
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Helium settling in F stars: constraining turbulent mixing using observed helium glitch signature by Verma, Kuldeep, Silva Aguirre, Víctor

“…ABSTRACT Recent developments in asteroseismology – due to space-based missions such as CoRoT and Kepler – provide handles on those properties of stars that…”
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The Updated BaSTI Stellar Evolution Models and Isochrones. I. Solar-scaled Calculations by Hidalgo, Sebastian L., Pietrinferni, Adriano, Cassisi, Santi, Salaris, Maurizio, Mucciarelli, Alessio, Savino, Alessandro, Aparicio, Antonio, Aguirre, Victor Silva, Verma, Kuldeep

“…We present an updated release of the BaSTI (a Bag of Stellar Tracks and Isochrones) stellar model and isochrone library for a solar-scaled heavy element…”
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THE K2 M67 STUDY: REVISITING OLD FRIENDS WITH K2 REVEALS OSCILLATING RED GIANTS IN THE OPEN CLUSTER M67 by Stello, Dennis, Vanderburg, Andrew, Casagrande, Luca, Gilliland, Ron, Aguirre, Victor Silva, Sandquist, Eric, Leiner, Emily, Mathieu, Robert, Soderblom, David R.

“…ABSTRACT Observations of stellar clusters have had a tremendous impact in forming our understanding of stellar evolution. The open cluster M67 has a…”
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Weakened magnetic braking as the origin of anomalously rapid rotation in old field stars by van Saders, Jennifer L., Ceillier, Tugdual, Metcalfe, Travis S., Aguirre, Victor Silva, Pinsonneault, Marc H., García, Rafael A., Mathur, Savita, Davies, Guy R.

“…The age of a young to middle-aged star can be determined from how quickly or slowly it rotates, but the relationship breaks down for old stars; models now show…”
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When Do Stalled Stars Resume Spinning Down? Advancing Gyrochronology with Ruprecht 147 by Curtis, Jason Lee, Agüeros, Marcel A., Matt, Sean P., Covey, Kevin R., Douglas, Stephanie T., Angus, Ruth, Saar, Steven H., Cody, Ann Marie, Vanderburg, Andrew, Law, Nicholas M., Kraus, Adam L., Latham, David W., Baranec, Christoph, Riddle, Reed, Ziegler, Carl, Lund, Mikkel N., Torres, Guillermo, Meibom, Søren, Aguirre, Victor Silva, Wright, Jason T.

“…Recent measurements of rotation periods ( ) in the benchmark open clusters Praesepe (670 Myr), NGC 6811 (1 Gyr), and NGC 752 (1.4 Gyr) demonstrate that, after…”
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Asteroseismology and Gaia: Testing Scaling Relations Using 2200 Kepler Stars with TGAS Parallaxes by Huber, Daniel, Zinn, Joel, Bojsen-Hansen, Mathias, Pinsonneault, Marc, Sahlholdt, Christian, Serenelli, Aldo, Aguirre, Victor Silva, Stassun, Keivan, Stello, Dennis, Tayar, Jamie, Bastien, Fabienne, Bedding, Timothy R., Buchhave, Lars A., Chaplin, William J., Davies, Guy R., García, Rafael A., Latham, David W., Mathur, Savita, Mosser, Benoit, Sharma, Sanjib

“…We present a comparison of parallaxes and radii from asteroseismology and Gaia DR1 (TGAS) for 2200 Kepler stars spanning from the main sequence to the…”
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THE K2 GALACTIC ARCHAEOLOGY PROGRAM DATA RELEASE I: ASTEROSEISMIC RESULTS FROM CAMPAIGN 1 by Stello, Dennis, Zinn, Joel, Elsworth, Yvonne, Garcia, Rafael A., Kallinger, Thomas, Mathur, Savita, Mosser, Benoit, Sharma, Sanjib, Chaplin, William J., Davies, Guy, Huber, Daniel, Jones, Caitlin D., Miglio, Andrea, Aguirre, Victor Silva

“…NASA's K2 mission is observing tens of thousands of stars along the ecliptic, providing data suitable for large-scale asteroseismic analyses to inform galactic…”
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Helium abundance in a sample of cool stars: measurements from asteroseismology by Verma, Kuldeep, Raodeo, Keyuri, Basu, Sarbani, Silva Aguirre, Víctor, Mazumdar, Anwesh, Mosumgaard, Jakob Rørsted, Lund, Mikkel N, Ranadive, Pritesh

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Theoretical oscillation frequencies for solar-type dwarfs from stellar models with 〈3D〉-atmospheres by Jørgensen, Andreas Christ Sølvsten, Weiss, Achim, Mosumgaard, Jakob Rørsted, Silva Aguirre, Victor, Sahlholdt, Christian Lundsgaard

“…Abstract We present a new method for replacing the outermost layers of stellar models with interpolated atmospheres based on results from 3D simulations, in…”
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