Atomic Lines in the Auroral Spectrum

Plasma Lines in the Auroral E Layer

Observations of Auroral Plasma Lines

CHIANTI : an atomic database for emission lines II . Comparison with the SERTS - 89 active region spectrum

The CHIANTI database was described by Dere et al. (1997, hereafter Paper I) and the present paper applies the atomic data to the study of extreme ultraviolet emission lines found in the SERTS-89 active region spectrum published by Thomas & Neupert (1994). Firstly, the emission line ratios that are insensitive to density and temperature are used to check both the quality of the atomic data and t...

Auroral Plasma Lines: A First Comparison of Theory and Experiment

Sharp Lines in the Spectrum of Nova

FernalcTs discovery of the recent outburst of Nova RS Ophiuchi on July 14.1, 1958 (UT) was telephoned to the Mount Wilson Observatory from Berkeley by Dr. Leland E. Cunningham. The star reached maximum at about magnitude 5.0 later that night. It has since been reported that Peltier had observed the star at magnitude 11.1 on the previous night. I was the observer on the 60-inch telescope on the ...