Ada Margaret Brayton

Ada Margaret Brayton (December 27, 1885 – January 1975) was a life member of the American Astronomical Society, and co-author of the monumental book, Spectroscopic Absolute Magnitudes and Distances of 4719 Stars that increased the number of stars of known distance one hundred-fold.

[1] She was a member of the staff of Mount Wilson Observatory, the Astronomical Computer Department of stellar spectroscopy.

[1] In 1920 she found that the radial velocity of the star Boss 3644 was variable thanks to her measures of three spectrograms made with the 60-inch reflector and single prism spectrograph.

[1] She was a member of the Lucretia Garfield Circle and the Ladies of G. A. R.[1] She lived at 469 Ladera Street, Pasadena, California,[1] with her brother, Wilbur Newman Brayton (died 1940), a veteran of World War I.

[6] In 1924 The Ada Margaret Brayton Endowment Fund of $20,000.00 ($279,112.14 in 2017)[7] was established to be used for the best interest of the California Federation of Business and Professional Women's Clubs, Inc. [8]