HeI and HeII resonance line data from Skylab were reduced, analyzed and compared with HeI D3 line intensities taken simultaneously from the Lockheed Rye Canyon Solar Observatory. Computer codes were developed for the calculation of total He line intensities and line profiles from model flare regions. These codes incorporate simultaneous solution of the line and continuum transport equations as needed together with the statistical equilibrium equations for a 30 level HeI, HeII, HeIII system. The energy level model consists of all terms through principal quantum number four. Interpretation of the observed data in terms of these parametric solutions and with simultaneous solution of the transport equations are discussed
Updating and improvement of computer codes used in the abundance analyses of solar-flare gamma-ray d...
One of our primary accomplishments under grant NAGW-35381 was the systematic derivation and compilat...
An observing campaign (SOHO JOP 139), coordinated between ground-based and Solar and Heliospheric Ob...
A theoretical study is made of the visible and UV line radiation of He I atoms and He II ions from a...
We explore the response of the He II 304 Å and He I 584 Å line intensities to electron beam heating ...
The research question of my PhD is in a way a simple one: what can observations of the He I D3 line ...
The physics of solar flares was investigated through a combined analysis of X-ray filtergrams of the...
The intensity and profile of the helium resonance line at 584 A from the entire disc of the sun was ...
The Hydrogen Balmer series is a basic radiative loss channel from the flaring solar chromosphere. We...
Spectral data obtained by the SO82B experiment aboard SKYLAB were used to critically evaluate existi...
During a coordinated campaign which took place in May 2001, a C-class flare was observed both with ...
The Doppler broadening, Stark broadening and various kinds of broadening param-eters of the HeI 1083...
An intense solar flare lasting 40 s was observed by the HEAO 3 γ-ray spectrometer on 1979 November ...
Calculated results based on two chromospheric flare models F1 and F2 of Machado, et al., (1980) are ...
Spectrographs of the H-alpha line taken at 15 second intervals from the event of 5 Sept. 1973 were i...
Updating and improvement of computer codes used in the abundance analyses of solar-flare gamma-ray d...
One of our primary accomplishments under grant NAGW-35381 was the systematic derivation and compilat...
An observing campaign (SOHO JOP 139), coordinated between ground-based and Solar and Heliospheric Ob...
A theoretical study is made of the visible and UV line radiation of He I atoms and He II ions from a...
We explore the response of the He II 304 Å and He I 584 Å line intensities to electron beam heating ...
The research question of my PhD is in a way a simple one: what can observations of the He I D3 line ...
The physics of solar flares was investigated through a combined analysis of X-ray filtergrams of the...
The intensity and profile of the helium resonance line at 584 A from the entire disc of the sun was ...
The Hydrogen Balmer series is a basic radiative loss channel from the flaring solar chromosphere. We...
Spectral data obtained by the SO82B experiment aboard SKYLAB were used to critically evaluate existi...
During a coordinated campaign which took place in May 2001, a C-class flare was observed both with ...
The Doppler broadening, Stark broadening and various kinds of broadening param-eters of the HeI 1083...
An intense solar flare lasting 40 s was observed by the HEAO 3 γ-ray spectrometer on 1979 November ...
Calculated results based on two chromospheric flare models F1 and F2 of Machado, et al., (1980) are ...
Spectrographs of the H-alpha line taken at 15 second intervals from the event of 5 Sept. 1973 were i...
Updating and improvement of computer codes used in the abundance analyses of solar-flare gamma-ray d...
One of our primary accomplishments under grant NAGW-35381 was the systematic derivation and compilat...
An observing campaign (SOHO JOP 139), coordinated between ground-based and Solar and Heliospheric Ob...