Solar System Objects | ||||||||
Stellar Objects | Sun and Planets | Minor Planets | ||||||
Number | Number | Number | Number | |||||
Star Class | of Obn's | in Class | Object | of Obn's | Object | of Obn's | ||
IRS | 141870 | 21509 | ![]() |
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Ceres | 481 | ||
Clocks | 37486 | 230 | ![]() |
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Pallas | 396 | ||
FK5 | 94762 | 3234 | ![]() |
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Juno | 312 | ||
Refraction (LC) | 5729 | 121 | ![]() |
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Vesta | 511 | ||
Azimuth (UC) | 7607 | 23 | Mars (night) | 588 | Hebe | 288 | ||
Azimuth (LC) | 7210 | 23 | Jupiter | 727 | Iris | 276 | ||
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Saturn | 764 | Flora | 257 | ||
Radio | 3176 | 106 | Uranus | 729 | Metis | 221 | ||
Miscellaneous | 10349 | 874 | Neptune | 617 | Eunomia | 265 | ||
Totals | 317444 | 26204 | Totals | 7444 | Totals | 3007 | ||
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UC = Upper culmination. | ||||||||
LC = Lower culmination. |
Solar System Objects | ||||||||
Stellar Objects | Sun and Planets | Minor Planets | ||||||
Number | Number | Number | Number | |||||
Star Class | of Obn's | in Class | Object | of Obn's | Object | of Obn's | ||
IRS | 174997 | 23552 | ![]() |
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Ceres | 337 | ||
Clocks | 29878 | 223 | ![]() |
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Pallas | 361 | ||
FK5 | 102112 | 3078 | ![]() |
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Juno | 335 | ||
Refraction (LC) | 9111 | 98 | ![]() |
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Vesta | 386 | ||
Azimuth (UC) | 12295 | 49 | Mars (night) | 402 | Hebe | 277 | ||
Azimuth (LC) | 11812 | 49 | Jupiter | 391 | Iris | 324 | ||
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Saturn | 446 | Flora | 238 | ||
Radio | 3687 | 117 | Uranus | 581 | Metis | 189 | ||
Miscellaneous | 17856 | 672 | Neptune | 516 | Eunomia | 298 | ||
Hygiea | 284 | |||||||
Melpomene | 244 | |||||||
Nemausa | 68 | |||||||
Amphitrite | 269 | |||||||
Totals | 400655 | 28186 | Totals | 5351 | Totals | 3610 | ||
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UC = Upper culmination. | ||||||||
LC = Lower culmination. |
Estimated standard deviations of the models | |||||
Right Ascensions (units = arcseconds) | |||||
Telescope | Circle | Median | Minimum | Maximum | No. of Tours |
Six-inch | Circle One | 0.186 | 0.022 | 0.469 | 1969 |
Six-inch | Circle Two | 0.182 | 0.010 | 0.430 | 2719 |
Seven-inch | Circle One | 0.194 | 0.052 | 0.383 | 1452 |
Seven-inch | Circle Two | 0.201 | 0.046 | 0.421 | 1853 |
Estimated standard deviations of the models | |||||
Declinations (units = arcseconds) | |||||
Telescope | Circle | Median | Minimum | Maximum | No. of Tours |
Six-inch | Circle One | 0.221 | 0.017 | 0.596 | 1947 |
Six-inch | Circle Two | 0.216 | 0.010 | 0.644 | 2714 |
Seven-inch | Circle One | 0.274 | 0.060 | 0.757 | 1447 |
Seven-inch | Circle Two | 0.293 | 0.020 | 0.648 | 1854 |
Weights for combined observations | ||
Zenith Distance | RA obs. | Dec. obs. |
80.0 | 0.00 | 0.00 |
75.0 | 0.16 | 0.03 |
70.0 | 0.29 | 0.14 |
65.0 | 0.42 | 0.24 |
60.0 | 0.56 | 0.34 |
55.0 | 0.68 | 0.43 |
50.0 | 0.78 | 0.53 |
45.0 | 0.87 | 0.62 |
40.0 | 0.93 | 0.72 |
35.0 | 0.97 | 0.82 |
30.0 | 0.98 | 0.89 |
25.0 | 0.99 | 0.94 |
20.0 | 1.00 | 0.97 |
15.0 | 1.00 | 0.99 |
10.0 | 1.00 | 1.00 |
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1.00 | 1.00 |
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1.00 | 1.00 |
Most of the celestial objects observed in this program fall into three categories; FK5 stars (Fricke et al. [1988]; [1991]), the program stars and solar system objects. Tables 1 and 2 give the number of stars in each category and the number of observations made. The program stars, primarily, consisted of International Reference Stars (IRS) (Corbin & Warren [1991]), but also included in this class were AGK3R stars and SRS that were not in the IRS. For brevity's sake we shall denote this entire class as IRS. The magnitude range of the majority of the stars in this catalog extends from the brightest FK5 stars down to, on the faint end, about 10th magnitude. The Seven-inch transit circle was able to reach as faint as 11th magnitude which allowed it to observe the fainter minor planets, SRS and radio stars.
Every effort was made to obtain 6 good observations of each star distributed equally between clamps and circles. However, some stars were added to the program too late to obtain that ideal distribution. For the late arrivals it was decided that a minimum of three good observations in right ascension and declination would be required. Of course, the FK5 stars that served as clock, azimuth, refraction, IRS reference, and day stars accrued many more than the minimum number of observations.
Right ascension errors | ||||||||||
Six-inch | Seven-inch | Total | ||||||||
Declination | ![]() |
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n | ![]() |
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n | mean | ![]() |
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n |
Range | mas | mas | stars | mas | mas | stars | epoch | mas | mas | stars |
+90 to +85 | 234 | 68 | 97 | 1990.80 | 234 | 68 | 97 | |||
+85 to +80 | 218 | 71 | 265 | 1990.73 | 218 | 71 | 265 | |||
+80 to +75 | 203 | 70 | 435 | 1990.70 | 203 | 70 | 435 | |||
+75 to +70 | 208 | 74 | 577 | 1990.73 | 208 | 74 | 577 | |||
+70 to +65 | 203 | 72 | 736 | 1990.76 | 203 | 72 | 736 | |||
+65 to +60 | 203 | 74 | 874 | 1990.80 | 203 | 74 | 874 | |||
+60 to +55 | 197 | 72 | 1018 | 1990.79 | 197 | 72 | 1018 | |||
+55 to +50 | 197 | 72 | 1156 | 1990.86 | 197 | 72 | 1156 | |||
+50 to +45 | 193 | 71 | 1277 | 1990.83 | 201 | 74 | 1277 | |||
+45 to +40 | 192 | 71 | 1416 | 1990.83 | 192 | 71 | 1416 | |||
+40 to +35 | 188 | 70 | 1533 | 1990.86 | 188 | 70 | 1533 | |||
+35 to +30 | 188 | 70 | 1579 | 128 | 94 | 16 | 1990.79 | 188 | 70 | 1579 |
+30 to +25 | 190 | 72 | 1765 | 165 | 63 | 191 | 1990.84 | 189 | 71 | 1765 |
+25 to +20 | 191 | 70 | 1748 | 181 | 55 | 236 | 1990.87 | 191 | 69 | 1748 |
+20 to +15 | 199 | 74 | 1782 | 187 | 48 | 228 | 1990.84 | 199 | 73 | 1782 |
+15 to +10 | 192 | 72 | 1811 | 191 | 45 | 210 | 1990.85 | 193 | 71 | 1811 |
+10 to ![]() |
191 | 71 | 1827 | 193 | 44 | 244 | 1990.90 | 192 | 70 | 1827 |
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193 | 73 | 1820 | 209 | 76 | 1792 | 1991.51 | 208 | 55 | 1822 |
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194 | 74 | 1727 | 208 | 74 | 1796 | 1991.58 | 208 | 55 | 1802 |
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189 | 52 | 282 | 206 | 72 | 1825 | 1992.14 | 205 | 70 | 1822 |
-10 to -15 | 185 | 48 | 207 | 200 | 70 | 1829 | 1992.13 | 200 | 69 | 1831 |
-15 to -20 | 183 | 52 | 204 | 200 | 70 | 1842 | 1992.14 | 200 | 69 | 1841 |
-20 to -25 | 163 | 51 | 200 | 199 | 69 | 1701 | 1992.13 | 199 | 69 | 1701 |
-25 to -30 | 149 | 56 | 186 | 198 | 68 | 1596 | 1992.12 | 196 | 68 | 1596 |
-30 to -35 | 123 | 98 | 67 | 196 | 69 | 1787 | 1992.16 | 196 | 69 | 1787 |
-35 to -40 | 199 | 69 | 1832 | 1992.16 | 199 | 69 | 1832 | |||
-40 to -45 | 200 | 69 | 1657 | 1992.23 | 200 | 69 | 1657 | |||
-45 to -50 | 198 | 70 | 1644 | 1992.21 | 198 | 70 | 1644 | |||
-50 to -55 | 201 | 70 | 1329 | 1992.15 | 201 | 70 | 1329 | |||
-55 to -60 | 204 | 71 | 1184 | 1992.27 | 204 | 71 | 1184 | |||
-60 to -65 | 201 | 70 | 1034 | 1992.21 | 201 | 70 | 1034 | |||
-65 to -70 | 205 | 70 | 799 | 1992.24 | 205 | 70 | 799 | |||
-70 to -75 | 208 | 70 | 648 | 1992.22 | 208 | 70 | 648 | |||
-75 to -80 | 222 | 73 | 494 | 1992.25 | 222 | 73 | 494 | |||
-80 to -85 | 229 | 70 | 310 | 1992.30 | 229 | 70 | 310 | |||
-85 to -90 | 237 | 65 | 111 | 1992.26 | 237 | 65 | 111 |
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