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Williamina Paton Stevens Fleming (15 May 1857 – 21 May 1911) was a Scottish astronomer. She was a single mother hired by the director of the Harvard College Observatory to help in the photographic classification of stellar spectra.
The variability of Z Andromedae was discovered by Williamina Paton Stevens Fleming , and announced in 1901. [13] During the quiescent phase, most of the white dwarf luminosity comes from stable hydrogen burning on its surface, and photons emitted this way ionize the wind of the red giant which causes nebular emission.
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Harvard College Observatory is historically important to astronomy, as many women including Annie Jump Cannon, Henrietta Swan Leavitt, Cecilia Payne-Gaposchkin, Williamina Fleming, and Florence Cushman performed pivotal stellar classification research.
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Fleming went on to help develop a classification of stars based on their hydrogen content, as well as play a major role in discovering the strange nature of white dwarf stars. [8] Williamina continued her career in astronomy when she was appointed Harvard's Curator of Astronomical Photographs in 1899, also known as Curator of the Photographic ...
The nebula was discovered by Scottish astronomer Williamina Fleming in 1888 on a photographic plate taken at the Harvard College Observatory. [7] [8] One of the first descriptions was made by E. E. Barnard, describing it as: "Dark mass, diam. 4′, on nebulous strip extending south from ζ Orionis", cataloguing the dark nebula as Barnard 33.
Vying for the Place 3 seat are newcomers Melissa Fleming, a 47-year-old wealth advisor with Ironbridge Private Wealth, and Alan Simms, the 64-year-old owner of Rio Grande Tex-Mex restaurant ...