The Astrophysical Journal, Volumul 41University of Chicago Press, 1915 "Letters to the Editor" issued as Part 2 and separately paged from v. 148, 1967. Beginning in 2009, the Letters published only online. |
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A.Oe anomalous dispersion aperture appear Astrophysical Journal atom binaries bright lines bright stars brighter calcium chromospheric CLASS Medi color Comp companion comparison components correction curve diaphragm displacements dissymmetry distance-correction dr dr eclipse effect enhanced lines errors Evershed effect exposures faint stars fainter Fraunhofer lines furnace Harvard images indicated investigation iron lines Lick Observatory magnitude mean measures Minus Minus Minus Miss Leavitt Mount Wilson MW MW MW nebula nebulosity Observatory obtained orbit Parallax periastron period photo-visual photographs plates Pleiades pressure Professor Julius proper motions radial velocities reduction region relative residuals reversal scale scale-readings shown spark spectra spectral types spectroscopic binaries Stark effect stronger lines sub-d symmetrical TABLE I-Continued Temp tion tube-arc unsymmetrical values vanadium vapor variable violet wave-lengths weight weighted mean Wilson Contr Zeeman effect Δη ΙΟ