790 



SMITHSONIAN PHYSICAL TABLES 



Astronomy — continued 

 novae, well observed, 757 

 orbits, planets, 734 

 planets, 734 

 albedos, 737 

 distance to sun, 730 

 orbits, 734 

 period, 734 

 physical data, 734 

 satellites, 735 

 orbits, 735 

 temperature, 734 

 precession for 50 years, 738 

 rotation, earth, 780 

 our galaxy, 770 

 stars, 771 

 Russell-Hertzsprung diagram, 754 

 satellites, orbits, 735 

 physical data, 734, 735 

 planets, 735 

 solar constant, 719 



variation, 720 

 solar corona, emission lines, 744 

 solar eclipses, 742 

 solar flares, 743 

 solar motion, elements of, 731 

 stars : 



binary mass of, within 10 parsec of sun, 

 752 

 spectroscopic, 768 

 spectroscopic eclipsing, 767 

 visual, 761 

 brighter than magnitude m, 756 

 Cepheids, 760 



period-luminosity curve, 744 

 clusters, classification, 769 

 galactic, 769 

 globular, 769 

 properties, 769 

 concentration, 749 



near sun, 751 

 constellations, abbreviations, 743 



near sun, 751 

 degenerate, 762 

 diameters, 753 

 dwarfs, 762, 763 

 degenerate, 762 

 density, 762 

 white, 762 

 equivalent light from, 757 

 explosive, 761 

 first magnitude, 752 

 galactic concentration, 749 



magnitude, 749 

 galaxies, 746, 748 

 local family, 748 

 our galaxy, 770 

 center, 770 

 rotation, 770 

 stars, number, 770 

 giants, 762 



low density, 762 

 magnitude, 730 

 absolute, 730 

 bolometric, 754 

 first, and brightness, 752 

 per cubic parsec, 735 



Astronomy, stars — continued 



number and brightness, 756 

 near sun, 735 

 per square degree, 756 

 photographic, 735, 749 

 radiometric, 730 

 reduction to visual, 754 

 spectrum type, 753 

 visual, absolute, 753 

 to bolometric, 754 

 mass, total our galaxy, 713 

 mass-luminosity, 758 

 masses, binaries, 752 

 motion of, 764 

 large, 756 

 velocities, 765 

 near sun, 751, 752 



masses, 752 

 nebulae, brightness, 757 

 classification, 758 

 nongalactic, 759 

 variables with, 760 

 novae, 757 



brightness, 757 



well observed, 757 

 characteristics, 757 

 classification, 758 

 Milky Way, 746 

 nongalactic, 759 

 number of, 757 



and galactic latitude, 756 



and light, 757 



and magnitude, 756 



log. No. per square degree, 756 

 near sun, 735, 751, 752 

 per cubic parsec, 735 

 our galaxy, 713 

 universe, 713 

 various classes, 748 

 within 5 parsec of sun, 751 

 within 10 parsec of sun, 752 

 of large proper motion, 756 

 parallax, mean annual, 750 



magnitude 10, 750 

 rotation of, 771 



Russell-Hertzsprung diagram, 754 

 spectrum classes, 748, 750, 753 

 galactic concentration, 749 

 proper motion, 742 

 temperatures, 750 



and diameters, 753 

 visual magnitude, 753 

 spectrum types, 753 



magnitude, 750, 753, 754 

 temperatures, 750 



and diameter, 753 

 variables: Be stars, 761 

 classification, 760 

 Cepheids, 760 



period-luminosity curve, 744 

 erratic, 760 

 explosive, 760 

 general characteristics, 760 

 long period, 760 

 luminosity curve, 744 

 nebulosities, 761 



