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 10
... determinations of the equatorial velocity of the Sun. To deduce the velocities corresponding to the displacements , we must use a factor , L / λ dλ / dR , which works out to be sensibly 100 . For the velocity per tenthmetre ( L / A ) is ...
... determinations of the equatorial velocity of the Sun. To deduce the velocities corresponding to the displacements , we must use a factor , L / λ dλ / dR , which works out to be sensibly 100 . For the velocity per tenthmetre ( L / A ) is ...
Page 72
... determination of the wave - lengths of unknown lines in spot spectra , simply because you can measure the position of a line on * Except the plate - holder , which is of a standard make . + As these are not reflecting gratings , the ...
... determination of the wave - lengths of unknown lines in spot spectra , simply because you can measure the position of a line on * Except the plate - holder , which is of a standard make . + As these are not reflecting gratings , the ...
Page 77
... determination of the solar rotation , along some such plan as Dunér or Halm followed , but using different lines in the spectrum , and benefiting from the advantages of photographic methods . In all such work , co - operation with other ...
... determination of the solar rotation , along some such plan as Dunér or Halm followed , but using different lines in the spectrum , and benefiting from the advantages of photographic methods . In all such work , co - operation with other ...
Page 79
... the present time in the determination of absolute wave- lengths would perhaps be very useful indeed if applied to the measurement of the displacement of solar lines at the centre Nov. 1907 . 79 Work with Inexpensive Apparatus .
... the present time in the determination of absolute wave- lengths would perhaps be very useful indeed if applied to the measurement of the displacement of solar lines at the centre Nov. 1907 . 79 Work with Inexpensive Apparatus .
Page 87
... determinations of a star place made at one observatory would depend on the same set of repère stars , and be on the same ... determination of the mass of the Moou . B. The differences , taken without regard to sign , have been grouped ...
... determinations of a star place made at one observatory would depend on the same set of repère stars , and be on the same ... determination of the mass of the Moou . B. The differences , taken without regard to sign , have been grouped ...
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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