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 14
... represented by the same letters with primes . Suppose the observations are made at the two epochs , t , and t . The observed quantities A ,, A , B1 , B2 , and p2 depend upon the elements of the unknown orbit , hence we may write the fol ...
... represented by the same letters with primes . Suppose the observations are made at the two epochs , t , and t . The observed quantities A ,, A , B1 , B2 , and p2 depend upon the elements of the unknown orbit , hence we may write the fol ...
Pagina 15
... with the Sun at its focus . It will be supposed that the effects of the Earth's motions upon the observed velocities in the line of sight have been eliminated , so that p represents the velocity in the ELEMENTS OF A PARABOLIC ORBIT 15.
... with the Sun at its focus . It will be supposed that the effects of the Earth's motions upon the observed velocities in the line of sight have been eliminated , so that p represents the velocity in the ELEMENTS OF A PARABOLIC ORBIT 15.
Pagina 16
eliminated , so that p represents the velocity in the direction of the Earth with respect to the Sun. The formulae for accomplish- ing this were given in the March number of the ASTROPHYSICAL JOURNAL , by Dr. Frank Schlesinger . 2. THE ...
eliminated , so that p represents the velocity in the direction of the Earth with respect to the Sun. The formulae for accomplish- ing this were given in the March number of the ASTROPHYSICAL JOURNAL , by Dr. Frank Schlesinger . 2. THE ...
Pagina 40
... represents the emission of " the absolutely black body . " In Wien's formula , J = c1λ = 5e C 2 XT , ( I ) where Jd is the ... represented by the formulae . The value of a decreased from 6.4 to 5.2 in passing from reflecting platinum to ...
... represents the emission of " the absolutely black body . " In Wien's formula , J = c1λ = 5e C 2 XT , ( I ) where Jd is the ... represented by the formulae . The value of a decreased from 6.4 to 5.2 in passing from reflecting platinum to ...
Pagina 42
... represented by my previous formula with a value of about 5.2 for the exponent of A ; but it was impossible , however , to find the intensity of the maximum of energy exactly proportional to the fifth power of the temperature without ...
... represented by my previous formula with a value of about 5.2 for the exponent of A ; but it was impossible , however , to find the intensity of the maximum of energy exactly proportional to the fifth power of the temperature without ...
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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.