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 4
... seen in the solar spectrum and in the emission bands of the same vapour seen in the cometary spectrum , a peculiar feature is that the ultra- violet bands at 3883 are the most marked , and that the blue and violet bands are far more feebly ...
... seen in the solar spectrum and in the emission bands of the same vapour seen in the cometary spectrum , a peculiar feature is that the ultra- violet bands at 3883 are the most marked , and that the blue and violet bands are far more feebly ...
Page 7
... seen at the bottom of the field of view ; as we turn towards the green , the spectrum mounts to the middle of the field ; and on turning further , the red is to be seen at the top of the field . By the tilting of the spindle AXIS OF ...
... seen at the bottom of the field of view ; as we turn towards the green , the spectrum mounts to the middle of the field ; and on turning further , the red is to be seen at the top of the field . By the tilting of the spindle AXIS OF ...
Page 8
... seen . The linear dispersion of the negatives is such that we have about 129 tenthmetres per millimetre . And it should be remembered that the total exposure of a plate in the instrument was completed generally in less than 3 minutes ...
... seen . The linear dispersion of the negatives is such that we have about 129 tenthmetres per millimetre . And it should be remembered that the total exposure of a plate in the instrument was completed generally in less than 3 minutes ...
Page 10
... seen that the uncorrected numbers are a little lower than Dunér's and Halm's . The main point , however , is that for these three determinations cyanogen is shown to be in the solar atmosphere in the same sense that iron and chromium ...
... seen that the uncorrected numbers are a little lower than Dunér's and Halm's . The main point , however , is that for these three determinations cyanogen is shown to be in the solar atmosphere in the same sense that iron and chromium ...
Page 11
... seen to go on for 9 days , and so can hardly be connected with ordinary disturbances of a local nature on the Sun's surface . The cyanogen involved cannot be far from the Sun , for otherwise it would be detected in the spectra of both ...
... seen to go on for 9 days , and so can hardly be connected with ordinary disturbances of a local nature on the Sun's surface . The cyanogen involved cannot be far from the Sun , for otherwise it would be detected in the spectra of both ...
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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