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Related papers: The mesospheric inversion layer and sprites

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Spectral inversion codes are powerful tools to analyze spectropolarimetric observations, and they provide important diagnostics of solar magnetic fields. Inversion codes differ by numerical procedures, approximations of the atmospheric…

Solar and Stellar Astrophysics · Physics 2015-06-04 H. Balthasar , M. L. Demidov

Since the first observations by Kaufmann et al.\ (1970), special attention has been paid to static pressure-balanced structures in the form of magnetic holes or humps observed in regions of the solar wind and of planetary magnetosheaths…

Plasma Physics · Physics 2015-05-28 P. -L. Sulem

Hot Jupiters receive intense incident stellar light on their daysides, which drives vigorous atmospheric circulation that attempts to erase their large dayside-to-nightside flux contrasts. Propagating waves and instabilities in hot Jupiter…

Earth and Planetary Astrophysics · Physics 2020-01-01 Thaddeus D. Komacek , Adam P. Showman

This paper presents research on polar cap ionosphere space weather phenomena conducted during the European Cooperation in Science and Technology (COST) action ES0803 from 2008 to 2012. The main part of the work has been directed toward the…

The Cassini/Composite InfraRed Spectrometer (CIRS) instrument has been observing the middle atmosphere of Titan over almost half a Saturnian year. We used the CIRS dataset processed through the up-to-date calibration pipeline to…

This article presents a publicly available, multimodal, tiered magnetic polarity inversion lines (MPILs) dataset extracted from the Solar Dynamics Observatory's (SDO) Helioseismic and Magnetic Imager (HMI) Active Region Patches (SDO/HMI…

Solar and Stellar Astrophysics · Physics 2025-08-26 Ziba Khani , Anli Ji , Manolis K. Georgoulis , Berkay Aydin

Observations have revealed unique temperature profiles in hot Jupiter atmospheres. We propose that the energy transport by vertical mixing could lead to such thermal features. In our new scenario, strong absorbers, TiO and VO are not…

Earth and Planetary Astrophysics · Physics 2024-11-26 Wei Zhong , Zhen-Tai Zhang , Hui-Sheng Zhong , Bo Ma , Xianyu Tan , Cong Yu

Context. The height structure of 3-min oscillations over sunspots is studied in the context of the recently discovered effect of height inversion: over the umbra, the spatial location of the maximum of chromospheric 3-min oscillation power…

Solar and Stellar Astrophysics · Physics 2013-02-11 N. I. Kobanov , D. Y. Kolobov , S. A. Chupin , V. M. Nakariakov

The Mars thermosphere holds clues to the evolution of the Martian climate, and has practical implications for spacecraft visiting Mars, which often use it for aerobraking upon arrival, or for landers, which must pass through it.…

Earth and Planetary Astrophysics · Physics 2019-01-30 E. M. B. Thiemann , F. G. Eparvier , S. W. Bougher , M. Dominique , L. Andersson , Z. Girazian , M. D. Pilinski , B. Templeman , B. M. Jakosky

S. D. von Fellenberg et al. (2025a, Paper I) reported the first mid-infrared detection of a flare from Sgr A*. The JWST/MIRI/MRS observations were consistent with an orbiting hotspot undergoing electron injection with a spectrum that…

Recently, we showed that dielectric mesoscale spheres support super-resonance effect, i.e. high-order Mie resonance modes with giant field enhancement. The presence of the surrounding medium leads to a significant influence in the intensity…

Optics · Physics 2022-05-10 Igor V. Minin , Song Zhou , Oleg V. Minin

Thunderstorms and the lightning that they produce are inherently interesting phenomena that have intrigued scientists and mankind in general for many years. The study of thunderstorms has rapidly advanced during the past century and many…

Atmospheric and Oceanic Physics · Physics 2009-06-03 Devendraa Siingh , A. K. Singh , R. P. Patel , Rajesh Singh , R. P. Singh , B. Veenadhari , M. Mukherjee

Instabilities and turbulence extending to the smallest dynamical scales play important roles in the deposition of energy and momentum by gravity waves throughout the atmosphere. However, these dynamics and their effects have been impossible…

Instrumentation and Methods for Astrophysics · Physics 2015-10-08 A. D. Miller , D. C. Fritts , D. Chapman , G. Jones , M. Limon , D. Araujo , J. Didier , S. Hillbrand , C. B. Kjellstrand , A. Korotkov , G. Tucker , Y. Vinokurov , K. Wan , L. Wang

Fibrillar structures are ubiquitous in the solar chromosphere and their potential for mediating the mass and energy transport in the solar atmosphere is undeniable. An accurate determination of their properties requires the use of advanced…

Solar and Stellar Astrophysics · Physics 2024-11-11 Matheus Kriginsky , Ramon Oliver

We investigate the large-scale intermittency of vertical velocity and temperature, and the mixing properties of stably stratified turbulent flows using both Lagrangian and Eulerian fields from direct numerical simulations, in a parameter…

Fluid Dynamics · Physics 2018-09-19 F. Feraco , R. Marino , A. Pumir , L. Primavera , P. D. Mininni , A. Pouquet , D. Rosenberg

A series of numerical simulations of thermal convection of Boussinesq fluid with infinite Prandtl number, with Rayleigh number $10^7$, and with the strongly temperature- and depth- dependent viscosity in a three-dimensional spherical shell…

Geophysics · Physics 2015-06-26 Masaki Yoshida , Akira Kageyama

Large-scale intermittency is a widely observed phenomenon in convective surface layer turbulence that induces non-Gaussian temperature statistics, while such signature is not observed for velocity signals. Although approaches based on…

Fluid Dynamics · Physics 2021-09-15 Subharthi Chowdhuri , Giovanni Iacobello , Tirtha Banerjee

Stokes inversion codes are crucial in returning properties of the solar atmosphere, such as temperature and magnetic field strength. However, the success of such algorithms to return reliable values can be hindered by the presence of…

Solar and Stellar Astrophysics · Physics 2021-01-20 P. H. Keys , O. Steiner , G. Vigeesh

We model the temperature distribution at the surface of a magnetized neutron star and study the effects on the observable X-ray spectra and light curves, taking fully into account gravitational lensing. Only dipolar fields are considered…

Astrophysics · Physics 2009-10-22 Dany Page
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