spectrographically
IPA: spˈɛktrʌgrˈæfɪkɫi
adverb
- By means of, or in terms of, spectrography.
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Examples of "spectrographically" in Sentences
- The magnitudes of the stars in the Draper Catalogue were determined, so to speak, spectrographically.
- Campbell vainly looked for them, [986] visually in 1894, spectrographically in 1896; Keeler was equally unsuccessful; [987]
- He used the results produced by Vesto Slipher at Flagstaff observatory which showed, spectrographically, the recession of objects.
- It is of course less easy to determine the content of an inactive than of an active marker, but this can be done by determinations of density or mass-spectrographically.
- And technologists from Rhevision have developed an artificial nose-a piece of porous silicon that changes colors in the presence of certain molecules, which can be read spectrographically.
- Thirty-two Wolf-Rayet stars were investigated, spectroscopically and spectrographically, by Professor Campbell with the great Lick refractor in 1892-94; [1405] and several disclosed the singularity, already noticed by him in Gamma Argûs, of giving out mixed series, the members of which change from vivid to obscure with increase of refrangibility.
- The installation, in 1900, of a photographic refractor 31-1/2 inches in aperture, coupled with a 20-inch guiding telescope, will enable Dr. Vogel to investigate spectrographically some hundreds of stars fainter than the second magnitude; and the materials thus accumulated should largely help to provide means for a definite and complete solution of the more than secular problem of the sun's advance through space.
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