Publications of the Dominion Astrophysical Observatory, Victoria, B.C. ..., Volume 9 |
Contents
A Spectrophotometric Study of the Shell Star Tauri by Anne B Underhill | 139 |
Wavelengths for Radialvelocity Determinations Based on Measures of | 166 |
The Spectroscopic Orbits of H D 100018 A D S 8189 by R M Petrie | 179 |
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Common terms and phrases
14 Comae 32 Cygni 48 Librae A/mm absolute magnitude absorption components absorption lines Andromedae appear atmosphere atoms B-type B-type stars Balmer lines Balmer series BF Cygni blending chromospheric computed continuous spectrum continuum CrII curve Cygni stars dispersion displaced distance Dominion Astrophysical Observatory early-type eclipse emission components emission lines equivalent width estimate excitation feature FeII FeIII Fell given in Table helium helium lines Hẞ hydrogen lines indicate intensity tracings interstellar lines ionization potential K line km/sec LINE INTENSITIES line profiles lines due luminosity mean Merrill metallic lines MgII Mount Wilson multiplet nebular observed obtained OIII ordinary region parsecs phase present probable error radial velocity relative residuals rotation shell lines shell spectrum shown spectra spectral type spectrograms spectroscopic stellar lines strong Struve supergiant Tauri temperature ultraviolet underlying star variable variations violet edge wave-length weak wings Ηδ ΙΙ