Publications of the Astronomical Society of the Pacific, Volumes 59-60Astronomical Society of the Pacific., 1947 |
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absorption activity appear associated Astronomical atmosphere August average bands binaries bright California changes close clouds comet complete components considerable continued curve December determined diameter direction director dispersion distance eclipse effect emission February field Figure four give given inches increase indicate Institute intensity interest interstellar July June km/sec length Lick light limit lines magnetic magnitude March Mars maximum mean measured meeting mirror moon motion Mount Wilson mountain nearly nebulae night NOTES Nova objects Observatory observed obtained orbit period photographic photometry placed plates polarities position possible present probably problems radial region relative rotation seen September shown Society solar spectra spectrograph spectrum stars stellar strong sunspot Table taken telescope tion University values variable velocity visible wave