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 21
... entirely different in this case , but , because of the form of the equations , the solution would not be different from that given . in Oppolzer's Bahnbestimmung der Kometen und Planeten , I , pp . 303-307 . Therefore , it is not ...
... entirely different in this case , but , because of the form of the equations , the solution would not be different from that given . in Oppolzer's Bahnbestimmung der Kometen und Planeten , I , pp . 303-307 . Therefore , it is not ...
Pagina 21
... entirely different in this case , but , because of the form of the equations , the solution would not be different from that given in Oppolzer's Bahnbestimmung der Kometen und Planeten , I , PP . 303-307 . Therefore , it is not ...
... entirely different in this case , but , because of the form of the equations , the solution would not be different from that given in Oppolzer's Bahnbestimmung der Kometen und Planeten , I , PP . 303-307 . Therefore , it is not ...
Pagina 46
... entirely filled a fixed dia- phragm before the prism . be 9 Energy curves only were observed , the sensitiveness of the bolometer in the different series being compared by the well- known shunt method of Ångström , or by comparative ...
... entirely filled a fixed dia- phragm before the prism . be 9 Energy curves only were observed , the sensitiveness of the bolometer in the different series being compared by the well- known shunt method of Ångström , or by comparative ...
Pagina 47
... entirely closed cavity , containing a thermom- eter , presented itself to the slit . The intensity of its spectrum was computed for all the temperatures read and for all the wave - lengths , according to the principles of this research ...
... entirely closed cavity , containing a thermom- eter , presented itself to the slit . The intensity of its spectrum was computed for all the temperatures read and for all the wave - lengths , according to the principles of this research ...
Pagina 51
... entirely possible , since the maximum of energy of the observed prism - spectrum lies very near these points . ENERGY CURVES Bolometer 449.5 ° C 3041 7007 1000 100.5 Theory Log À In order to exhibit the validity of law I in still ...
... entirely possible , since the maximum of energy of the observed prism - spectrum lies very near these points . ENERGY CURVES Bolometer 449.5 ° C 3041 7007 1000 100.5 Theory Log À In order to exhibit the validity of law I in still ...
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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...
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