Monthly Notices of the Royal Astronomical Society, Volume 68; Volumes 1907-1908Priestley and Weale, 1908 Includes lists of additions to the society's library, usually separately paged. |
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Page 31
... longitude of my observatory I have recently compared twenty - three occultation observations made by me with the corresponding Greenwich observations , and I find a discordance in the case of the reappearance of two stars of the Hyades ...
... longitude of my observatory I have recently compared twenty - three occultation observations made by me with the corresponding Greenwich observations , and I find a discordance in the case of the reappearance of two stars of the Hyades ...
Page 98
... longitude and latitude on each day were compared with the mean values given in the ledgers ; and the differences were tabulated under each 10 ° of distance from central meridian , so as to show the motions in latitude and longitude ...
... longitude and latitude on each day were compared with the mean values given in the ledgers ; and the differences were tabulated under each 10 ° of distance from central meridian , so as to show the motions in latitude and longitude ...
Page 99
... longitude . The next three groups will give us mean values for + 35 ° and -35 ° , a difference of 70 ° . 4. A drift in longitude may be taken to increase steadily with the time , and hence the differences for ± 65 ° should be to those ...
... longitude . The next three groups will give us mean values for + 35 ° and -35 ° , a difference of 70 ° . 4. A drift in longitude may be taken to increase steadily with the time , and hence the differences for ± 65 ° should be to those ...
Page 110
... longitude be + 2 " 2x in a century ( i.e. , 2 parts in 10,000 ) ; and let the supposed variation of the principal term in the Moon's latitude be + 1 " 8y in a century ( i.e. , y parts in 10,000 ) , and let z " be the ( sidereal ) ...
... longitude be + 2 " 2x in a century ( i.e. , 2 parts in 10,000 ) ; and let the supposed variation of the principal term in the Moon's latitude be + 1 " 8y in a century ( i.e. , y parts in 10,000 ) , and let z " be the ( sidereal ) ...
Page 111
... longitudes and latitudes calculated from them , and the elements must be very approximately as follows( the old system of comet elements is here employed , Dec. 1907. Perturbations of Halley's Comet in the Past . III The Perturbations ...
... longitudes and latitudes calculated from them , and the elements must be very approximately as follows( the old system of comet elements is here employed , Dec. 1907. Perturbations of Halley's Comet in the Past . III The Perturbations ...
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Common terms and phrases
angle appear Astrographic axis bright brighter calculated Cape Catalogue centre coefficient colour column comet comparison stars computed corrections correlation curve cyanogen David Gill deduced determination distance Double Stars drift E. E. Barnard Earth eclipse epoch equation equatorial faint formula give given Greenwich groups heliometer instrument Julian Day Jupiter latitude lens Lick Observatory limb lines longitude magnitude Max Wolf mean measures meridian method Monthly Notices Moon nebula nucleus number of stars observations obtained orbit outer condensation paper parallax Paris perihelion perihelion passage period perturbations photographs planet plates position Professor proper motion reduced reflector refraction refractor region right ascension ring Royal Observatory satellite Saturn seen Sept solar spectra spectral class spectroheliograph spectroscope spectrum spot stellar sun-spot Sun's surface Table telescope tion variable Yerkes Observatory zone ΟΣ دو