Research Spotlight: Auroral emissions reach ground level
نویسندگان
چکیده
منابع مشابه
Jupiter’s polar auroral emissions
[1] This paper reports a study of Jupiter’s polar auroral emissions observed in an extended series of FUV images. They were obtained on seven days, during winter 2000–2001, with the STIS camera on board the Hubble Space Telescope. The fixed pointing yielded highly accurate and consistent tracking of emisson features as Jupiter rotated, allowing the analysis of the auroral morphology and brightn...
متن کاملAuroral Emissions of the Giant Planets
Auroras are (generally) high-latitude atmospheric emissions that result from the precipitation of energetic charged particles from a planet’s magnetosphere. Auroral emissions from the giant planets have been observed from ground-based observatories, Earthorbiting satellites (e.g., International Ultraviolet Explorer (IUE), Hubble Space Telescope (HST), and Röentgensatellit (ROSAT)), flyby spacec...
متن کاملSolar wind control of Jovian auroral emissions
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau...
متن کاملLatitudinal dynamics of auroral roar emissions
Auroral roar, a narrowband (Sf/f < 0.1) emission near 2 and 3 times the ionospheric electron gyrofrequency (2f• and 3f•), is observed with a meridional chain of LF/MF/HF radio receivers located in northern Canada spanning 67 ø to 79 ø invariant latitude. Observations of these emissions are compared with the auroral electrojet location inferred from the Canadian Auroral Network for the OPEN Prog...
متن کاملResearch Spotlight
Introduction Recent natural and man-made disastrous events underscore the importance of emergency evacuation planning and management for buildings and facilities (Averill et al., 2005). Although building codes include provisions for egress design, their prescriptive nature poses many limitations in terms of providing effective evacuation for specific buildings, each of which is unique. Human be...
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ژورنال
عنوان ژورنال: Eos, Transactions American Geophysical Union
سال: 2011
ISSN: 0096-3941,2324-9250
DOI: 10.1029/2011eo130011