High Resolution Solar SpectrumRalph Marantino
The paper discusses high-resolution scans of several lines in the solar X-ray spectrum. These include the strong lines of the neon-like ion Fe XVII and the temperature-dependent satellite lines observed on the long-wavelength side of the resonance lines of the helium-like ions O VII, Ne IX...
The spectrum of N132D shows strong O VIII emission and very weak Fe emission, suggesting an even greater O/Fe abundance enhancement than in Puppis A. In the Cygnus Loop, the O to Ne abundance ratio is approximately solar; we have no information about Fe. The O VII triplet shows clear ...
Solar flaresX-ray spectraEUV spectraI discuss high-resolution solar flare soft X-ray spectra and also comment on some recent results from extreme ultraviolet (EUV) spectroscopy. Spectra of solar flares at these wavelengths have been recorded since the late 1960s, beginning primarily with the NASA...
Here, we directly address the gap in the current literature by developing a hybrid framework that integrates “Top-down” and “Bottom-up” methods using a ML model to provide a high-resolution global assessment of rooftop solar PV technical potential at a monthly temporal resolution (Fig.1)....
injected into the system (Supplementary Figure5d), a temporal instability which prevents the Type II planar detector’s use as a stable and effective γ-ray detector. The resulting background noise from the leakage current of the detector will ruin the energy resolution of the spectrum and the ...
This paper presents new measurements which we have made of the spectrum of solar radiation attenuated by the Earth's atmosphere, observed from sea level with the 1.5 m diameter telescope at Queen Mary College. The experimental system consists of a phase-modulated Michelson interferometer and a ...
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A PCE of approximately 10.90% was obtained with a device based on SSPVD CH3NH3PbI3. These initial results suggest that SSPVD is a promising method to significantly optimize perovskite CH3NH3PbI3 solar cell efficiency.Similar content being viewed by others A universal close-space annealing strategy...
Imaging spectroscopy at high resolution, in the infrared range, is a powerful tool for monitoring the behavior of minor species in planetary atmospheres and their evolution with latitude and longitude, season or local hour. Using the TEXES imaging spectrometer at the Infrared Telescope Facility (IRTF...