Report Upon the Determination of the Astronomical Coordinates 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 MeridianU.S. Government Printing Office, 1874 - 82 pages |
From inside the book
Results 1-5 of 18
Page 3
Description of instruments used Connections , ( telegraphic ) Tabulation of stars used Instrumental values Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers Grouping of series of ...
Description of instruments used Connections , ( telegraphic ) Tabulation of stars used Instrumental values Uniform tables of time reductions at sending and receiving stations Correction and rate of chronometers Grouping of series of ...
Page 8
a , b , c , = azimuth , level , and collimation corrections . A , B , C , = azimuth , level , and collimation factors . T = observed time reduced to the mean of wires and corrected for rate . T. T = observed time corrected for ...
a , b , c , = azimuth , level , and collimation corrections . A , B , C , = azimuth , level , and collimation factors . T = observed time reduced to the mean of wires and corrected for rate . T. T = observed time corrected for ...
Page 27
-1 52 33.54 Normal Equations . 7 St + 5.918 – 8.160 = 3.27 5.91 St + 70.49a – 82.36 c = – 75.09 - 8.16 01 – 82.36 a + 122.80c = + 90.98 - 0.950 c = + 0.1.10 $ = + 0.490 The following table shows the corrections and the rate of 27.
-1 52 33.54 Normal Equations . 7 St + 5.918 – 8.160 = 3.27 5.91 St + 70.49a – 82.36 c = – 75.09 - 8.16 01 – 82.36 a + 122.80c = + 90.98 - 0.950 c = + 0.1.10 $ = + 0.490 The following table shows the corrections and the rate of 27.
Page 28
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : CHEYENNE . — NEGUS 1499 . Date . Local sidereal hour . Correction of chronometer . Rate per hour . h . h . m . S. 1872 .
The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City : CHEYENNE . — NEGUS 1499 . Date . Local sidereal hour . Correction of chronometer . Rate per hour . h . h . m . S. 1872 .
Page 30
The conditional equations were sometimes formed with and sometimes without the correction for collimation ( c ) ; in the former case it was obtained from a preliminary reduction . All the observations at both stations were made under ...
The conditional equations were sometimes formed with and sometimes without the correction for collimation ( c ) ; in the former case it was obtained from a preliminary reduction . All the observations at both stations were made under ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
30m local sidereal 61 Cygni 9 Draconis aA cC Adopted Aquarii Aquilæ ASSISTANTS astronomical August breaks Capricorni Cephei Changed charge Cheyenne chron chronograph chronom circuit Clamp clear Cloudy Colo Colorado Springs chronometer COLORADO TERRITORY connections Corrections Cygni Date Declination Delphini Determination difference Draconis Engineers eter exchange feet final result GEOGRAPHICAL giving Groom heavy Herculis hour July 31 late Latitude LATITUDE-OBSERVATIONS—Continued Level longitude Lyræ Mean Meridian Micrometer star miles minutes Name of Star nights Normal Equations observations October October 14 Ophiuchi pair Pegasi Piscium placed probable error rain reading received record REDUCTION Remarks Right Sagittarii Salt Lake chron Salt Lake City SALT LAKE OBSERVATORY shows signals sent Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS tent UNIFORM TABLES United Ursæ UTAH TERRITORY Washington Western wind wires Wyoming Territory аА сс