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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... ° 3062 , Edward C. Pickering , 126 ; Note on Meteor Photography , Josef Jan Fric , 130 . REVIEWS : Die Photographie der Gestirne , Dr. J. Scheiner ( F. S. ) , 132 . NUMBER III . PAGE THE EFFECT OF CERTAIN IMPURITIES ON V.
... ° 3062 , Edward C. Pickering , 126 ; Note on Meteor Photography , Josef Jan Fric , 130 . REVIEWS : Die Photographie der Gestirne , Dr. J. Scheiner ( F. S. ) , 132 . NUMBER III . PAGE THE EFFECT OF CERTAIN IMPURITIES ON V.
Pagina
NUMBER III . PAGE THE EFFECT OF CERTAIN IMPURITIES ON THE SPECTRA OF SOME GASES . Percival Lewis ON PROFESSOR KEELER'S PHOTOMETRIC RESEARCHES , BY PHOTO- GRAPHIC METHODS , ON THE NEBULA IN ORION . J. Scheiner NOTE ON THE FOREGOING ...
NUMBER III . PAGE THE EFFECT OF CERTAIN IMPURITIES ON THE SPECTRA OF SOME GASES . Percival Lewis ON PROFESSOR KEELER'S PHOTOMETRIC RESEARCHES , BY PHOTO- GRAPHIC METHODS , ON THE NEBULA IN ORION . J. Scheiner NOTE ON THE FOREGOING ...
Pagina
... EFFECT OF PRESSURE UPON THE WAVE - LENGTHS OF THE LINES OF THE HYDROGEN SPECTRUM . J. Wilsing ON THE PRESENCE OF OXYGEN IN THE ATMOSPHERES OF CER- TAIN FIXED STARS . David Gill MINOR CONTRIBUTIONS AND NOTES : Corrections to ...
... EFFECT OF PRESSURE UPON THE WAVE - LENGTHS OF THE LINES OF THE HYDROGEN SPECTRUM . J. Wilsing ON THE PRESENCE OF OXYGEN IN THE ATMOSPHERES OF CER- TAIN FIXED STARS . David Gill MINOR CONTRIBUTIONS AND NOTES : Corrections to ...
Pagina 2
... effect is constant for any particular star . The analogue to this proposition is found in the theory of aberration . " In the accompanying table the constants log b and c have been computed for all the brighter stars visible from ...
... effect is constant for any particular star . The analogue to this proposition is found in the theory of aberration . " In the accompanying table the constants log b and c have been computed for all the brighter stars visible from ...
Pagina 3
... effect upon these tables would have been the addition of a constant to each log b . For F , the Sun's longitude at perigee , the round value 281 ° 20 ′ has been employed ; this is about its value for 1950 , referred however to the ...
... effect upon these tables would have been the addition of a constant to each log b . For F , the Sun's longitude at perigee , the round value 281 ° 20 ′ has been employed ; this is about its value for 1950 , referred however to the ...
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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.
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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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