Hostname: page-component-78c5997874-fbnjt Total loading time: 0 Render date: 2024-11-19T18:38:28.408Z Has data issue: false hasContentIssue false
  • English
  • Français

Stellar Midlife Crises: Challenges and Advances in Simulating Convection and Differential Rotation in Sun-like Stars

Published online by Cambridge University Press:  12 September 2017

Nicholas J. Nelson Open the ORCID record for Nicholas J. Nelson [Opens in a new window] ,
Charles Payne  and
Cameron Michael Sorensen
Nicholas J. Nelson
Affiliation:
Dept. of Physics, California State University, Chico Chico, CA, USA95929-0202 email: njnelson@csuchico.edu
Charles Payne
Affiliation:
Dept. of Physics, California State University, Chico Chico, CA, USA95929-0202 email: njnelson@csuchico.edu
Cameron Michael Sorensen
Affiliation:
Dept. of Physics, California State University, Chico Chico, CA, USA95929-0202 email: njnelson@csuchico.edu
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Low mass, main sequence stars like our Sun exhibit a wide variety of rotational and magnetic states. Observational and theoretical advances have led to a renewed emphasis on understanding the rotational and magnetic evolution of sun-like stars has become a pressing problem in stellar physics. We use global 3D convection and convective dynamo simulations in rotating spherical shells and with realistic stellar stratification to explore the behavior of “middle-aged” stars. We show that for stars with slightly less rotational influence than our Sun a transition occurs from solar-like (fast equator, slow poles) to anti-solar (slow equator, fast poles) differential rotation. We investigate this transition using two different treatments for the upper boundary of our simulations and we hypothesize that this transition from solar-like to anti-solar differential rotation may be responsible for observations of anomalously rapid rotation for stars older than our Sun.

Keywords

hydrodynamicsMHDSun: interiorstars: activitystars: rotation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S328: Living Around Active Stars , October 2016 , pp. 264 - 273
Copyright
Copyright © International Astronomical Union 2017 

References

Airapetian, V. S., Glocer, A., Khazanov, G. V., et al., 2017, The Astrophysical Journal, 836, L3 Google Scholar
Anglada-Escudé, G., Amado, P. J., Barnes, J., et al., 2016, Nature, 536, 437 Google Scholar
Augustson, K., Brun, A. S., Miesch, M., & Toomre, J., 2015, The Astrophysical Journal, 809, 149 Google Scholar
Augustson, K. C., Brun, A. S., & Toomre, J., 2016, The Astrophysical Journal, 829, 1 Google Scholar
Augustson, K. C., Rast, M., Trampedach, R., & Toomre, J., 2011, Journal of Physics: Conference Series, 271, 012070 Google Scholar
Bixel, A., & Apai, D., 2017, The Astrophysical Journal, 836, L31 Google Scholar
Boutle, I. A., Mayne, N. J., Drummond, B., et al. 2017, arXiv preprint, 1Google Scholar
Brandenburg, A., 2016, Astrophysical Journal, 832, 1 Google Scholar
Brown, B. P., Browning, M. K., Brun, A. S., Miesch, M. S., & Toomre, J., 2008, The Astrophysical Journal, 689, 1354 Google Scholar
Brown, B. P., Browning, M. K., Brun, A. S., Miesch, M. S., & Toomre, J., 2010, The Astrophysical Journal, 711, 424 Google Scholar
Brown, B. P., Miesch, M. S., Browning, M. K., Brun, A. S., & Toomre, J., 2011, The Astrophysical Journal, 731, 69 Google Scholar
Browning, M. K., 2008, The Astrophysical Journal, 676, 1262 CrossRefGoogle Scholar
Brun, A. S., Miesch, M. S., & Toomre, J., 2004, The Astrophysical Journal, 614, 1073 CrossRefGoogle Scholar
Brun, A. S., & Toomre, J., 2002, The Astrophysical Journal, 570, 865 Google Scholar
Brun, A. S., Strugarek, A., Varela, J., et al., 2017, The Astrophysical Journal, 836, 1 Google Scholar
Cheung, M. C. M., Rempel, M., Title, A. M., & Schüssler, M., 2010, The Astrophysical Journal, 720, 233 Google Scholar
Clune, T., Elliott, J., Miesch, M. S., Toomre, J., & Glatzmaier, G. A., 1999, Parallel Computing, 25, 361 Google Scholar
Coleman, G. A. L., Nelson, R. P., Paardekooper, S. J., et al. 2017, Monthly Notices of the Royal Astronomical Society, arXiv:1608.06908Google Scholar
Fan, Y., & Fang, F., 2016, Advances in Space Research, 58, 1497 Google Scholar
Featherstone, N. A., Browning, M. K., Brun, A. S., & Toomre, J., 2009, The Astrophysical Journal, 705, 1000 Google Scholar
Featherstone, N. A., & Hindman, B. W. 2016a, The Astrophysical Journal, 830, L15 Google Scholar
Featherstone, N. A., & Hindman, B. W. 2016b, The Astrophysical Journal, 818, 32 Google Scholar
Featherstone, N. A., & Miesch, M. S., 2015, The Astrophysical Journal, 804, 1 Google Scholar
Garrafo, C., Drake, J. J., & Cohen, O., 2016, The Astrophysical Journal Letters, 833, 1 Google Scholar
Gastine, T., & Wicht, J., 2012, Icarus, 219, 428 Google Scholar
Gastine, T., Yadav, R. K., Morin, J., Reiners, A., & Wicht, J., 2013, Monthly Notices of the Royal Astronomical Society: Letters, 438, L76 Google Scholar
Gillon, M., Jehin, E., Lederer, S. M., et al., 2016, Nature, 533, 221 CrossRefGoogle Scholar
Gilman, P., 1983, The Astrophysical Journal Supplement Series, 53, 243 Google Scholar
Glatzmaier, G. A., 1985, The Astrophysical Journal, 291, 300 Google Scholar
Greer, B. J., Hindman, B. W., Featherstone, N. a., & Toomre, J., 2015, The Astrophysical Journal, 803, L17 Google Scholar
Greer, B. J., Hindman, B. W., & Toomre, J. 2014, Solar PhysicsGoogle Scholar
Guerrero, G., & Käpylä, P. J., 2011, Astronomy & Astrophysics, 533, A40 Google Scholar
Hanasoge, S. M., Duvall, T. L., & DeRosa, M. L., 2010, The Astrophysical Journal, 712, L98 Google Scholar
Hanasoge, S. M., Duvall, T. L., & Sreenivasan, K. R., 2012, Proceedings of the National Academy of Sciences, 109, 11928 CrossRefGoogle Scholar
Hathaway, D. H., Upton, L., & Colegrove, O., 2013, Science (New York, N.Y.), 342, 1217 Google Scholar
Kane, S. R., Gelino, D. M., & Turnbull, M. C., 2017, The Astronomical Journal, 153, 52 CrossRefGoogle Scholar
Leake, J. E., Linton, M. G., & Torok, T., 2013, The Astrophysical Journal, 778, 12 Google Scholar
Luger, R., Lustig-Yaeger, J., Fleming, D. P., et al., 2016, eprint arXiv:1609.09075, 837, 1Google Scholar
McIntosh, S. W., Wang, X., Leamon, R. J., & Scherrer, P. H., 2014, The Astrophysical Journal, 784, L32 Google Scholar
Méndez, A., & Rivera-Valentín, E. G., 2017, The Astrophysical Journal Letters, 837, 1 Google Scholar
Metcalfe, T. S., Egeland, R., & van Saders, J. L., 2016, The Astrophysical Journal, 826, L2 Google Scholar
Miesch, M. S., Brun, A. S., & Toomre, J., 2006, The Astrophysical Journal, 641, 618 Google Scholar
Nelson, N. J. 2013, Proquest dissertations & theses: 3607343, University of ColoradoGoogle Scholar
Nelson, N. J., Brown, B. P., Brun, A. S., Miesch, M. S., & Toomre, J., 2011, The Astrophysical Journal, 739, L38 Google Scholar
Nelson, N. J., Brown, B. P., Brun, A. S., Miesch, M. S., & Toomre, J., 2013a, The Astrophysical Journal, 762, 73 Google Scholar
Nelson, N. J., Brown, B. P., Sacha Brun, a., Miesch, M. S., & Toomre, J. 2013b, Solar Physics Google Scholar
Nelson, N. J., & Miesch, M. S., 2014, Plasma Physics and Controlled Fusion, 56, 064004 Google Scholar
Reiners, A., 2012, Living Reviews in Solar Physics, 8, 1 Google Scholar
Rempel, M., Schüssler, M., & Knölker, M., 2009, The Astrophysical Journal, 691, 640 Google Scholar
Skumanich, A., 1972, The Astrophysical Journal, 171, 565 Google Scholar
Spruit, H., 1997, Mem. Soci. Astron. Ital., 68, 397 Google Scholar
Stein, R. F., & Nordlund, A. k., 2012, The Astrophysical Journal, 753, L13 Google Scholar
Trampedach, R., & Stein, R. F., 2011, The Astrophysical Journal, 731, 78 Google Scholar
van Saders, J. L., Ceillier, T., Metcalfe, T. S., et al., 2016, Nature, 529, 181 Google Scholar
Warnecke, J., Käpylä, P. J., Käpylä, M. J., & Brandenburg, A., 2016, Astronomy & Astrophysics, 596, A115 Google Scholar
Warnecke, J., Käpylä, P. J., Mantere, M. J., & Brandenburg, A., 2012, Solar Physics, 280, 299 Google Scholar
Yadav, R. K., Christensen, U. R., Wolk, S. J., & Poppenhaeger, K., 2016, The Astrophysical Journal, 833, L28 Google Scholar