Zobrazeno 1 - 10
of 9 217
pro vyhledávání: '"convective zone"'
Autor:
Liu, Cheng, Wang, Xiaofeng, Zhang, Xiaobing, Kovalev, Mikhail, Lin, Jie, Xi, Gaobo, Mo, Jun, Li, Gaici, Peng, Haowei, Li, Xin, Xia, Qiqi, Iskandar, Abdusamatjan, Zeng, Xiangyun, Wang, Letian, Zhu, Liying, Song, Xuan, Guo, Jincheng, Jiang, Xiaojun, Yan, Shengyu, Zhang, Jicheng
We present a comprehensive photometric and spectroscopic analysis of the short-period ($\sim$5.32 hours) and low-mass eclipsing binary TMTSJ0803 discovered by Tsinghua-Ma Huateng Telescope for Survey (TMTS). By fitting the light curves and radial vel
Externí odkaz:
http://arxiv.org/abs/2405.10595
Autor:
Kleeorin, N., Rogachevskii, I.
Publikováno v:
MNRAS 515, 5437-5448 (2022)
Combined action of helical motions of plasma (the $\alpha$ effect) and non-uniform (differential) rotation is a key dynamo mechanism of solar and galactic large-scale magnetic fields. Dynamics of magnetic helicity of small-scale fields is a crucial m
Externí odkaz:
http://arxiv.org/abs/2206.14152
Solar modelling has long been split into ''internal'' and ''surface'' modelling, because of the lack of tools to connect the very different scales in space and time, as well as the widely different environments and dominating physical effects involve
Externí odkaz:
http://arxiv.org/abs/2211.09564
Autor:
Rogachevskii, I., Kleeorin, N.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, v. 508, pp.1296-1304 (2021)
A turbulent transport of radiation in the solar convective zone is investigated. The mean-field equation for the irradiation intensity is derived. It is shown that due to the turbulent effects, the effective penetration length of radiation can be inc
Externí odkaz:
http://arxiv.org/abs/2108.12767
Akademický článek
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Akademický článek
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Autor:
Astoul, A., Mathis, S., Baruteau, C., Gallet, F., Strugarek, A., Augustson, K. C., Brun, A. S., Bolmont, E.
Publikováno v:
A&A 631, A111 (2019)
The dissipation of the kinetic energy of wave-like tidal flows within the convective envelope of low-mass stars is one of the key physical mechanisms that shapes the orbital and rotational dynamics of short-period exoplanetary systems. Although low-m
Externí odkaz:
http://arxiv.org/abs/1909.10490
Autor:
Casewell, S. L., Raynard, L., Watson, C. A., Gillen, E., de Mooij, E., Bayliss, D., Bouchy, F., Thompson, A., Jackman, J. A. G., Burleigh, M. R., Chaushev, A., Belardi, C., Louden, T., Goad, M. R., Nielsen, L. D., Poppenhaeger, K., Eigmueller, Ph., Guenther, Maximilian N., Jenkins, J. S., McCormac, J., Moyano, M., Queloz, D., Smith, A. M. S., West, R. G., Wheatley, P. J.
We have discovered a new, near-equal mass, eclipsing M dwarf binary from the Next Generation Transit Survey. This system is only one of 3 field age ($>$ 1 Gyr), late M dwarf eclipsing binaries known, and has a period of 1.74774 days, similar to that
Externí odkaz:
http://arxiv.org/abs/1808.02761
We estimate the extent of overshooting inwards from the bottom of the intershell convective zone in thermal pulses in (S)AGB stars. We find that the buoyancy is so strong that any overshooting should be negligible. The temperature inversion at the bo
Externí odkaz:
http://arxiv.org/abs/1706.07615
Autor:
Brito, Ana, Lopes, Ilídio
We use a seismic diagnostic, based on the derivative of the phase shift of the reflected by the surface acoustic waves, to probe the outer layers of the star HD 49933. This diagnostic is particularly sensitive to partial ionization processes occurrin
Externí odkaz:
http://arxiv.org/abs/1612.04903