Publications of the Astronomical Society of the Pacific, Volumes 63-64Astronomical Society of the Pacific, 1951 |
Contents
a 7d 16h 48m b 7d 17h 56m c 7d 18h | 41 |
18 59 h 7 19 06 i 7 19 11 | 7 |
was taken with Ha the others with the K line Both eruptive and quasi | 109 |
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Common terms and phrases
48-inch schmidt A/mm absorption lines Aitken Astronomical Society Astrophysical atmosphere August Aurigae B-type Berkeley Astronomical Department binaries bright Canis Majoris Cepheid clusters of galaxies color Coma cluster comet components coudé curve Cygni dapd December Dinsmore Alter director dispersion distance dẞd eclipse emission lines eruptive exposure faint February flares galactic Griffith Observatory hydrogen intensity January July June km/sec Lick Observatory light-curve luminosity magnetic magnitude maximum measured Moon motion Mount Wilson Mount Wilson Observatory nebulae novae object observations obtained October orbit Otto Struve Pacific Palomar Observatories phase photoelectric photographic plates Pluto prominence radial velocities reflector refractor region Robert Grant Aitken rotation solar spectra spectrograms spectroscopic spectrum stars stellar sunspot Table temperature tion University of California Uranus variable visual visual magnitude wave lengths Wilson and Palomar Yerkes Yerkes Observatory