description Charlotte Moore Sitterly Overview
Charlotte Moore Sitterly (1898–1990) was an American astronomer who spent much of her career at Princeton University Observatory and the National Bureau of Standards. She is best known for her extensive work in solar spectroscopy and for compiling the multiplet tables of atomic spectral lines and energy levels, published in successive editions over several decades. These tables documented thousands of spectral lines for elements across the periodic table and became essential reference works for physicists, astronomers, and spectroscopists. She received multiple professional honors for her contributions to the field of atomic spectroscopy.
help Charlotte Moore Sitterly FAQ
Who was Charlotte Moore Sitterly?
Charlotte Moore Sitterly was an American astronomer who lived from 1898 to 1990. She worked at Princeton University Observatory and the National Bureau of Standards, where she studied atomic spectra and the Sun.
What are Charlotte Moore Sitterly's multiplet tables?
Her multiplet tables organize groups of related atomic spectral lines and their energy-level information. Astronomers use this type of reference data to identify elements in stellar and solar spectra.
What was Sitterly's most important astronomical work?
She published A Multiplet Table of Astrophysical Interest in 1933 and produced a revised, expanded edition in 1945. Her later reference works included the Ultraviolet Multiplet Table and the Atomic Energy Levels series.
How did Charlotte Moore Sitterly use spectroscopy to study the Sun?
She analyzed the Sun's spectral lines to determine which chemical elements were present and how their atomic transitions behaved. Her work at the National Bureau of Standards helped make solar and atomic spectroscopy more precise.
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