Circular, Issues 301-350The Observatory, 1930 - Astronomical observatories |
Contents
A COMPARISON OF LINE Intensities Derived FROM SLIT AND OBJECTIVE | 1 |
PHOTOMETRIC LINE INTENSITIES FOR FIVE LATE TYPE STARS | 13 |
ON THE INTERPRETATION OF PHOTOMETRIC LINE INTENSITIES three figures | 1 |
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Common terms and phrases
abscissae absolute magnitude absorption atoms Aurigae Balmer Balmer series brighter brightness Cepheids cluster COLLEGE OBSERVATORY CIRCULAR color column comparison corresponding density derived determined deviation difference effect epoch error exposure Figure galactic GEMINORUM given gradients HARVARD COLLEGE OBSERVATORY hydrogen lines ionized irregular J. D. Wt Julian Day K line light curve line depths line grade line intensities luminosity maxima and minima maximum Mean Obs measured meteors method microphotometer tracings minimum nebulae objective prism observed parallax Payne period Persei photographic magnitudes photometric plates Pleiades proper motions Quadrantids radiant reduction curve RV Tauri variables scale Scuti spectra spectral class spectrum SS AURIGAE SS CYGNI stars of Class stellar Table temperature tion values variation velocity visual wave length ΚΟ