Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Yildiz, Mutlu"'
Autor:
Ong, J. M. Joel, Hon, Marc Teng Yen, Soares-Furtado, Melinda, Stephan, Alexander P., van Saders, Jennifer, Tayar, Jamie, Shappee, Benjamin, Hey, Daniel R., Cao, Lyra, Yıldız, Mutlu, Orhan, Zeynep Çelik, Örtel, Sibel, Montet, Benjamin, Holoien, Thomas W. -S., Bland-Hawthorn, Joss, Buder, Sven, De Silva, Gayandhi M., Freeman, Ken C., Martell, Sarah L., Lewis, Geraint F., Sharma, Sanjib, Stello, Dennis
We report the discovery and characterisation of TIC 350842552 ("Zvrk"), an apparently isolated, rapidly-rotating ($P_\text{rot} \sim 99\ \mathrm{d}$) red giant observed by TESS in its Southern Continuous Viewing Zone. The star's fast surface rotation
Externí odkaz:
http://arxiv.org/abs/2402.16971
Autor:
Hon, Marc, Huber, Daniel, Rui, Nicholas Z., Fuller, Jim, Veras, Dimitri, Kuszlewicz, James S., Kochukhov, Oleg, Stokholm, Amalie, Rørsted, Jakob Lysgaard, Yıldız, Mutlu, Orhan, Zeynep Çelik, Örtel, Sibel, Jiang, Chen, Hey, Daniel R., Isaacson, Howard, Zhang, Jingwen, Vrard, Mathieu, Stassun, Keivan G., Shappee, Benjamin J., Tayar, Jamie, Claytor, Zachary R., Beard, Corey, Bedding, Timothy R., Brinkman, Casey, Campante, Tiago L., Chaplin, William J., Chontos, Ashley, Giacalone, Steven, Holcomb, Rae, Howard, Andrew W., Lubin, Jack, MacDougall, Mason, Montet, Benjamin T., Murphy, Joseph M. A., Ong, Joel, Pidhorodetska, Daria, Polansk, Alex S., Rice, Malena, Stello, Dennis, Tyler, Dakotah, Van Zandt, Judah, Weiss, Lauren
When main-sequence stars expand into red giants, they are expected to engulf close-in planets. Until now, the absence of planets with short orbital periods around post-expansion, core-helium-burning red giants has been interpreted as evidence that sh
Externí odkaz:
http://arxiv.org/abs/2306.15877
Autor:
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, Garcia, Rafael A., Breton, Sylvain N., Lundkvist, Mia S., Mikolajczyk, Przemyslaw J., Gehan, Charlotte, Campante, Tiago L., Bossini, Diego, Kane, Stephen R., Ong, Jia Mian Joel, Yildiz, Mutlu, Kayhan, Cenk, Orhan, Zeynep Celik, Ortel, 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.
The Transiting Exoplanet Survey Satellite (TESS) mission searches for new exoplanets. The observing strategy of TESS results in high-precision photometry of millions of stars across the sky, allowing for detailed asteroseismic studies of individual s
Externí odkaz:
http://arxiv.org/abs/2302.01102
Autor:
Ball, Warrick H., Miglio, Andrea, Chaplin, William J., Stassun, Keivan G., García, Rafael, González-Cuesta, Lucia, Mathur, Savita, Appourchaux, Thierry, Benomar, Othman, Buzasi, Derek L., Jiang, Chen, Kayhan, Cenk, Örtel, Sibel, Orhan, Zeynep Çelik, Yıldız, Mutlu, Ong, J. M. Joel, Basu, Sarbani
Binary stars in which oscillations can be studied in either or both components can provide powerful constraints on our understanding of stellar physics. The bright binary 12 Bo\"otis (12 Boo) is a particularly promising system because the primary is
Externí odkaz:
http://arxiv.org/abs/2208.02302
Autor:
Yıldız, Mutlu, Örtel, Sibel
Data from the space missions {\it Gaia}, {\it Kepler}, {\it CoRoT} and {\it TESS}, make it possible to compare parallax and asteroseismic distances. From the ratio of two densities $\rho_{\rm sca}/\rho_{\pi}$, we obtain an empirical relation $f_{\Del
Externí odkaz:
http://arxiv.org/abs/2105.03768
Autor:
Chontos, Ashley, Huber, Daniel, Berger, Travis A., Kjeldsen, Hans, Serenelli, Aldo M., Aguirre, Victor Silva, Ball, Warrick H., Basu, Sarbani, Bedding, Timothy R., Chaplin, William J., Claytor, Zachary R., Corsaro, Enrico, García, Rafael A., Howell, Steve B., Lundkvist, Mia S., Mathur, Savita, Metcalfe, Travis S., Nielsen, Martin B., Ong, Jia Mian Joel, Orhan, Zeynep Çelik, Örtel, Sibel, Salama, Maïssa, Stassun, Keivan G., Townsend, R. H. D., van Saders, Jennifer L., Winther, Mark, Yildiz, Mutlu, Butler, R. Paul, Tinney, C. G., Wittenmyer, Robert A.
Asteroseismology of bright stars has become increasingly important as a method to determine fundamental properties (in particular ages) of stars. The Kepler Space Telescope initiated a revolution by detecting oscillations in more than 500 main-sequen
Externí odkaz:
http://arxiv.org/abs/2012.10797
Autor:
Ball, Warrick H., Chaplin, William J., Nielsen, Martin B., González-Cuesta, Lucia, Mathur, Savita, Santos, Ângela R. G., García, Rafael, Buzasi, Derek, Mosser, Benoît, Deal, Morgan, Stokholm, Amalie, Mosumgaard, Jakob Rørsted, Aguirre, Victor Silva, Nsamba, Benard, Campante, Tiago, Cunha, Margarida S., Ong, Joel, Basu, Sarbani, Örtel, Sibel, Orhan, Z. Çelik, Yıldız, Mutlu, Stassun, Keivan, Kane, Stephen R., Huber, Daniel
The Transiting Exoplanet Survey Satellite (TESS) is recording short-cadence, high duty-cycle timeseries across most of the sky, which presents the opportunity to detect and study oscillations in interesting stars, in particular planet hosts. We have
Externí odkaz:
http://arxiv.org/abs/2010.07323
Autor:
Metcalfe, Travis S., van Saders, Jennifer L., Basu, Sarbani, Buzasi, Derek, Chaplin, William J., Egeland, Ricky, Garcia, Rafael A., Gaulme, Patrick, Huber, Daniel, Reinhold, Timo, Schunker, Hannah, Stassun, Keivan G., Appourchaux, Thierry, Ball, Warrick H., Bedding, Timothy R., Deheuvels, Sebastien, Gonzalez-Cuesta, Lucia, Handberg, Rasmus, Jimenez, Antonio, Kjeldsen, Hans, Li, Tanda, Lund, Mikkel N., Mathur, Savita, Mosser, Benoit, Nielsen, Martin B., Noll, Anthony, Orhan, Zeynep Celik, Ortel, Sibel, Santos, Angela R. G., Yildiz, Mutlu, Baliunas, Sallie, Soon, Willie
Publikováno v:
Astrophys. J. 900, 154 (2020)
Most previous efforts to calibrate how rotation and magnetic activity depend on stellar age and mass have relied on observations of clusters, where isochrones from stellar evolution models are used to determine the properties of the ensemble. Asteros
Externí odkaz:
http://arxiv.org/abs/2007.12755
Autor:
Jiang, Chen, Bedding, Timothy R., Stassun, Keivan G., Veras, Dimitri, Corsaro, Enrico, Buzasi, Derek L., Mikołajczyk, Przemysław, Qian-sheng, Zhang, Jian-wen, Ou, Campante, Tiago L., Rodrigues, Thaíse S., Nsamba, Benard, Bossini, Diego, Kane, Stephen R., Ong, Jia Mian Joel, Yıldız, Mutlu, Orhan, Zeynep Çeiik, Örtel, Sibel, Wu, Tao, Zhang, Xinyi, Li, Tanda, Basu, Sarbani, Cunha, Margarida S., Christensen-Dalsgaard, Jørgen, Chaplin, William J.
The Transiting Exoplanet Survey Satellite (TESS) is an all-sky survey mission aiming to search for exoplanets that transit bright stars. The high-quality photometric data of TESS are excellent for the asteroseismic study of solar-like stars. In this
Externí odkaz:
http://arxiv.org/abs/2005.00272
Autor:
Chaplin, William J., Serenelli, Aldo M., Miglio, Andrea, Morel, Thierry, Mackereth, J. Ted, Vincenzo, Fiorenzo, Basu, Hans Kjeldsen Sarbani, Ball, Warrick H., Stokholm, Amalie, Verma, Kuldeep, Mosumgaard, Jakob Rørsted, Aguirre, Victor Silva, Mazumdar, Anwesh, Ranadive, Pritesh, Antia, H. M., Lebreton, Yveline, Ong, Joel, Appourchaux, Thierry, Bedding, Timothy R., Christensen-Dalsgaard, Jørgen, Creevey, Orlagh, García, Rafael A., Handberg, Rasmus, Huber, Daniel, Kawaler, Steven D., Lund, Mikkel N., Metcalfe, Travis S., Stassun, Keivan G., Bazot, Michäel, Beck, Paul, Bell, Keaton J., Bergemann, Maria, Buzasi, Derek L., Benomar, Othman, Bossini, Diego, Bugnet, Lisa, Campante, Tiago L., Orhan, Zeynep Çelik, Corsaro, Enrico, González-Cuesta, Lucía, Davies, Guy R., Di Mauro, Maria Pia, Egeland, Ricky, Elsworth, Yvonne P., Gaulme, Patrick, Ghasemi, Hamed, Guo, Zhao, Hall, Oliver J., Hasanzadeh, Amir, Hekker, Saskia, Howe, Rachel, Jenkins, Jon M., Jiménez, Antonio, Kiefer, René, Kuszlewicz, James S., Kallinger, Thomas, Latham, David W., Lundkvist, Mia S., Mathur, Savita, Montalbán, Josefina, Mosser, Benoit, Bedón, Andres Moya, Nielsen, Martin Bo, Örtel, Sibel, Rendle, Ben M., Ricker, George R., Rodrigues, Thaíse S., Roxburgh, Ian W., Safari, Hossein, Schofield, Mathew, Seager, Sara, Smalley, Barry, Stello, Dennis, Szabó, Róbert, Tayar, Jamie, Themeßl, Nathalie, Thomas, Alexandra E. L., Vanderspek, Roland K., van Rossem, Walter E., Vrard, Mathieu, Weiss, Achim, White, Timothy R., Winn, Joshua N., Yıldız, Mutlu
Over the course of its history, the Milky Way has ingested multiple smaller satellite galaxies. While these accreted stellar populations can be forensically identified as kinematically distinct structures within the Galaxy, it is difficult in general
Externí odkaz:
http://arxiv.org/abs/2001.04653