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36 results for "Scientist"

36 results for "Scientist"

Lizzie Sparks Pickering

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Lizzie Wadsworth Sparks Pickering (May 1, 1849-Aug. 29, 1906) lived in the Director’s Residence on the grounds of the Harvard College Observatory for 29 years with her husband, Edward C. Pickering, the fourth director of the HCO. During her tenure, she...

Anna Palmer Draper

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Mary Anna Palmer Draper (September 19, 1839–December 8, 1914), who went by Anna, was an astronomer at her private observatory and, starting in 1886, a key benefactor for the discovery of stellar spectra and for the Women Astronomical Computers at the...

Emily Hughes Boyce

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Emily Hughes Boyce (1906-1992) was an astronomer who worked at the Harvard College Observatory from 1929-1945. She worked primarily on identifying variable stars. Hughes Boyce worked as a research assistant to the HCO director Harlow Shapley. 1 In...

Dorrit Hoffleit

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Dorrit Hoffleit (b. Ellen Dorrit Hoffleit) (March 12, 1907 – April 9, 2007) was an American astronomer, researcher, and observatory director. Hoffleit began working at the Harvard College Observatory in 1928 as a research assistant, after completing her...

Anna Winlock

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Anna Winlock (1857-1904) was the one of the first paid female staff member of the Harvard College Observatory, and she worked at the Observatory for 28 years from 1875-1903. She is best known for her extensive computation work with meridian circle...

Stellar Spectra and Quantum Mechanics

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Written by Peggy Wargelin, Wolbach Library, 2018. Much of Payne-Gaposchkin's work with stars involved studying their rainbows, which scientists call spectra. Astronomers obtained a star's spectrum by placing 1-3 prisms at the focus of a telescope...

Red-Shift Spectroscopy and Stellar Classification

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Written by Peggy Wargelin, Wolbach Library, 2018. With the Spectroscope... Using a magnifying loupe and spectra image, Maury set to the task of parsing out the stars (Fig. 2 & 3). The first challenge she set for herself at HCO was to unpack the so-called...

Helen Sawyer Hogg

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Helen Battles Sawyer Hogg (1905-1993) was a student at the Harvard College Observatory from 1926-1931. She built a long, illustrious career as one of the most prominent astronomers in Canada, specializing in globular clusters of variable stars and in...

Variable Stars

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Written by Peggy Wargelin, Wolbach Library, 2018. Leavitt identified variable stars by gathering five images of one section of sky from different nights (four glass negatives and a positive print of a fifth) and overlaying each negative in turn on the...