The Astrophysical Journal, Volumul 10University of Chicago Press, 1899 "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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Pagina 71
... lacking , and the asymmetry grew more evident with increasing number of data . For such cases , and he believes them to be more common than the symmetrical kind , Fechner proposes to regard as the most probable value a priori that which ...
... lacking , and the asymmetry grew more evident with increasing number of data . For such cases , and he believes them to be more common than the symmetrical kind , Fechner proposes to regard as the most probable value a priori that which ...
Pagina 77
... lacking , and the asymmetry grew more evident with increasing number of data . For such cases , and he believes them to be more common than the symmetrical kind , Fechner proposes to regard as the most probable value a priori that which ...
... lacking , and the asymmetry grew more evident with increasing number of data . For such cases , and he believes them to be more common than the symmetrical kind , Fechner proposes to regard as the most probable value a priori that which ...
Pagina 89
... lacking , while its own zones are so broad that some of them embrace two of those of a Herculis . In the second part of the memoir it appears that the dis- tinctive characteristics of fourth type spectra were recognized in the course of ...
... lacking , while its own zones are so broad that some of them embrace two of those of a Herculis . In the second part of the memoir it appears that the dis- tinctive characteristics of fourth type spectra were recognized in the course of ...
Pagina 109
... lacking . Secchi states that , in his opinion , the general appearance of the spectrum is that of a direct spectrum given by a gaseous body , rather than that of an absorption spectrum ' though he reached no very definite conclusions ...
... lacking . Secchi states that , in his opinion , the general appearance of the spectrum is that of a direct spectrum given by a gaseous body , rather than that of an absorption spectrum ' though he reached no very definite conclusions ...
Pagina 122
... lacking on the plates . But there is a fine absorption line present at λ 521 μμ which coin- cides with the edge of a magnesium - hydrogen band . The bands of magnesium oxide at λ 4995.6 and 5006.4 are faintly indicated . In the spectrum ...
... lacking on the plates . But there is a fine absorption line present at λ 521 μμ which coin- cides with the edge of a magnesium - hydrogen band . The bands of magnesium oxide at λ 4995.6 and 5006.4 are faintly indicated . In the spectrum ...
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absorption aperture apparatus appear astronomers ASTROPHYSICAL JOURNAL axis bands blackening Board of Visitors bolometer bright lines brighter camera carbon catalogue cents chromosphere cluster Coin comparison compound spectrum corona corresponding curve density determined diameter disk displacement eclipse electrodes employed equal error exposure faint stars Fe lacking focal length given gives Harvard College Observatory hydrogen lines inches instrument intensity investigation Keeler Lick Observatory light line of sight luminosity magnitude maximum mean measured mercury vapor Messier 13 metallic meteors micrometer mirror Morris Travers Naval Observatory objective observations obtained orbit oxygen photographs photometric Pickering plate position Potsdam pressure prism Professor radiation rays refractor region ring nebula Scheiner screw slit spark spectra spectrograph spectroheliograph spectroscope stellar telescope temperature tenth-meters tion trum tube University of Chicago Ursae vanadium Variable Stars Variable Velocity visual W. W. Campbell wave-lengths wedge Widely separated Yerkes Observatory
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Pagina 49 - EMGs were sampled with surface electrodes for ten revolutions at the beginning, in the middle and at the end of each work...
Pagina 272 - When an appointment or detail is to be made to the office of astronomical director, director of the Nautical Almanac, astronomer, or assistant astronomer, the board of visitors may recommend to the Secretary of the Navy a suitable person to fill such office, but such recommendation shall be determined only by a majority vote of the members present at a regularly called meeting of the board held in the city of Washington.
Pagina 197 - The officers of the Society shall consist of a President, two Vice Presidents, a Secretary...
Pagina 197 - Society to serve for a period of one year, and two members shall be chosen annually to serve for a period of two years or until their successors are duly elected and qualified.
Pagina 272 - The board of visitors shall prepare and submit to the Secretary of the Navy regulations prescribing the scope of the astronomical and other researches of the Observatory and the duties of its staff with reference...
Pagina 357 - PRINTERS AND BINDERS THE PRINTING OF BOOKS DEMANDING TASTE AND CAREFUL EXECUTION, PRIVATE EDITIONS, COLLEGE CATALOGUES AND ANNUALS A SPECIALTY. WE PRINT MORE FINE BOOKS THAN ALL OTHER HOUSES WEST OF NEW YORK. OUR NEW FACTORY, RUN ENTIRELY BY ELECTRICITY, IS THE MOST ADVANCED PRINTING PLANT IN THE COUNTRY. THE LAKESIDE PRESS BLDG., PLYMOUTH PLACE, COR. POLK, CHICAGO.
Pagina 384 - Sold in quart bottles only, by Druggists and high-class Grocers. Prepared only by Henry B. Platt, Platt Street, New York.