منابع مشابه
Solar Spectroscopy and (Pseudo-)Diagnostics of the Solar Chromosphere
I first review trends in current solar spectrometry and then concentrate on comparing various spectroscopic diagnostics of the solar chromosphere. Some are actually not at all chromospheric but just photospheric or clapotispheric and do not convey information on chromospheric heating, even though this is often assumed. Balmer Hα is the principal displayer of the closed-field chromosphere, but i...
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Passive solar systems such as solar chimneys need solar radiation in order to work. Therefore, they cannot present stable natural ventilation when solar energy vanishes: to have a more robust and stable condition, solar energy should be stored during the day and released back during the night. Phase change materials can save additional thermal energy during the day and release it during the...
متن کاملAtomic Data and Solar Photospheric Spectroscopy
This review is an updated version of a review we made a few years ago /I/. We insist on the role atomic data and their accuracy play in the interpretation of the solar photospheric spectrum, leading to a better knowledge of the physical conditions, physical processes and abundances of the elements in the solar outer layers. Astronomers need many more very accurate atomic wavelengths, ionization...
متن کاملSolar Neutrino Spectroscopy ( Before and After SuperKamiokande ) ∗
Results of solar neutrino spectroscopy based on data from four experiments are presented. Perspectives related to forthcoming experiments are discussed. Implications of the results for neutrino properties are considered.
متن کاملAdmittance spectroscopy of thin film solar cells
A short overview on thin film solar cells is given, and the complexity of their electronic structure is illustrated. Several physical mechanisms that give rise to a decay of the capacitance from a low-frequency value CLF to a high-frequency value CHF are discussed. A key of interpreting features in measured admittance spectroscopy (AS) spectra is a careful analysis of CLF and CHF and the temper...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1988
ISSN: 0252-9211
DOI: 10.1017/s0252921100092393