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 120
... perihelion passage in 1378 , 1456 were I 20 LXVIII . 2 , Messrs . Cowell and Crommelin ,
... perihelion passage in 1378 , 1456 were I 20 LXVIII . 2 , Messrs . Cowell and Crommelin ,
Page 121
... passages are given here for convenience of reference : - - Perihelion Passage . Julian Day . Interval . Corresponding log a . d 1301 Oct. 22.7 2196543'70 28141'07 1 * 2578 1378 Nov. 8'77 2224684'77 28336'44 1 * 2598 1456 June 8:21 ...
... passages are given here for convenience of reference : - - Perihelion Passage . Julian Day . Interval . Corresponding log a . d 1301 Oct. 22.7 2196543'70 28141'07 1 * 2578 1378 Nov. 8'77 2224684'77 28336'44 1 * 2598 1456 June 8:21 ...
Page 122
... perihelion passage . The following quantities are then formed for each value of u : — xY − yX , rX , r ( xX + yY ) . In taking the sums of the columns , only half of the term at the top and bottom of each column is taken ; the reason ...
... perihelion passage . The following quantities are then formed for each value of u : — xY − yX , rX , r ( xX + yY ) . In taking the sums of the columns , only half of the term at the top and bottom of each column is taken ; the reason ...
Page 173
... perihelion passage , and on this assumption the results were as follows : - Planet . Limit of u . dn . do . ds . Jupiter 0- 90 - " 2261 - 357 -6550 " " " 90-270 - 0823 - 35 +6001 27 270-360 + ' 5624 - 183 353 Saturn o- 90 " " 90-270 ...
... perihelion passage , and on this assumption the results were as follows : - Planet . Limit of u . dn . do . ds . Jupiter 0- 90 - " 2261 - 357 -6550 " " " 90-270 - 0823 - 35 +6001 27 270-360 + ' 5624 - 183 353 Saturn o- 90 " " 90-270 ...
Page 174
... perihelion passage need only be very roughly known in order to obtain the periodic time correctly . Pingre's ... perihelion is that actually derived from the perturbations , and the date of perihelion passage is 8 days later than that ...
... perihelion passage need only be very roughly known in order to obtain the periodic time correctly . Pingre's ... perihelion is that actually derived from the perturbations , and the date of perihelion passage is 8 days later than that ...
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Common terms and phrases
angle appear Astrographic axis bright brighter 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 present 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 ΙΟ