The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific (1919)
Astronomical Society of the Pacific, Aitken, Robert Grant, 1864-1951 · San Francisco Stanford University Press · leaf 364
ty ishighest. The curves corresponding to the velocity surfaces whichmore accurately represent the data are three-lobed, and thepreferential directions of highest velocity no longer form astraight line, but are inclined at an angle which is smallest The Brightness of the Stars 243 90 -^-srr *~~ \ /… … Fig. 22, 23, 24. Intersections Between the Average Radial-Velocity Surfaces and the Galactic Equator for Three GroupsOF Stars : Fig. 22, for the stars intrinsically brightest and most dis-tant ; Fig. 24, for those intrinsically faintest and nearest; Fig. 23, forthe stars intermediate in luminosity…
Astronomy
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