Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873: Geographical and Geological Explorations and Surveys West of the One Hundredth Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical AssistantsU.S. Government Printing Office, 1874 - 82 pages |
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Results 1-5 of 31
Page 3
... reductions at sending and receiving stations 16-27 Correction and rate of chronometers 28 Grouping of series of exchange of signals 29 Personal equation 30 Probable error . 30 Resulting longitude 30 Reduction of the latitude ...
... reductions at sending and receiving stations 16-27 Correction and rate of chronometers 28 Grouping of series of exchange of signals 29 Personal equation 30 Probable error . 30 Resulting longitude 30 Reduction of the latitude ...
Page 7
... reductions at sending - station . 11. Grouping of series of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the ...
... reductions at sending - station . 11. Grouping of series of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the ...
Page 14
... reductions for both stations . Prof. W. A. Rogers , of Harvard College Observatory , computed the latitude - observations , and they were subsequently revised , partially recomputed , and formulated by Dr. Kampf . ( 7. ) TABULATION OF ...
... reductions for both stations . Prof. W. A. Rogers , of Harvard College Observatory , computed the latitude - observations , and they were subsequently revised , partially recomputed , and formulated by Dr. Kampf . ( 7. ) TABULATION OF ...
Page 15
... removed to Salt Lake , and the latter has not only become a re- peating - office but also the headquarters of the western division of the main or eastern branch of the company . : ( 9. ) UNIFORM TABLES OF TIME - REDUCTIONS 15.
... removed to Salt Lake , and the latter has not only become a re- peating - office but also the headquarters of the western division of the main or eastern branch of the company . : ( 9. ) UNIFORM TABLES OF TIME - REDUCTIONS 15.
Page 17
... REDUCTIONS AT RECEIVING - STATION - Continued . SALT LAKE OBSERVATORY , October 14 , 1872 . Name of Star . Clamp . T ... REDUCTIONS AT. a = -0.09 c = +0.01 St = 0.18 a = -0.359 dt = 0.620 1.12 - = + 3 17 (9.) UNIFORM TABLES OF TIME ...
... REDUCTIONS AT RECEIVING - STATION - Continued . SALT LAKE OBSERVATORY , October 14 , 1872 . Name of Star . Clamp . T ... REDUCTIONS AT. a = -0.09 c = +0.01 St = 0.18 a = -0.359 dt = 0.620 1.12 - = + 3 17 (9.) UNIFORM TABLES OF TIME ...
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Common terms and phrases
12-Year Cat 24h local sidereal 30m local sidereal 38 Cassiopeiæ 50 Draconis 61 Cygni 9 Draconis Andromedæ Aquilæ August bB aA CC Capricorni Ceti Cheyenne chron chronograph chronom Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Date Delphini Draconis 22 eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec HARVARD COLLEGE OBSERVATORY July 31 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 17h Microm Micrometer star Name of Star nights Normal Equations Number Half-sum Observations for Latitude October 14 October 16 Ophiuchi Pegasi Piscium probable error REDUCTION Remarks Right Ascension Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron ẞ Aquarii ẞ Cephei ẞ Lyræ TABLES OF TIME-REDUCTIONS Tabulation of Stars TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES Ursæ Minoris UTAH TERRITORY wires Wyoming Territory δε ΔΤ
Popular passages
Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.