Annie Jump Cannon was the first astronomer to develop a simple spectral classification system. She classified 400,000 stars—more than anyone else had achieved previously—and discovered 300 variable stars, five novas, and a double star.
What was Annie Jump Cannon's insight into spectral classes?
Cannon had acquired her insight into spectral classification when she photographed the spectra of bright southern stars at Harvard's observatory station in Arequipa, Peru. In 1901, she published descriptions of the spectra of 1,122 stars, which became the basis for future star catalogs she would compile.
What is Annie Jump Cannon best known for?
Stellar classification
What did Annie Jump Cannon do for the HR diagram?
Hertzsprung Russell Diagram It plots a star's luminosity against its surface temperature. Stars are grouped into spectral types which can be viewed as either temperature or color groupings that were created by Annie Jump Cannon in the 1890's.
When did Annie Jump Cannon become deaf?
Annie developed the Harvard Classification Scheme which classifies stars based on their temperatures. Annie was born hearing, but when she was around 30 years old, she got the scarlet fever that caused her to be profoundly deaf.Jan 8, 2022
Was Annie Jump Cannon a suffragette?
Annie Jump Cannon (1863-1941). "Deaf Maria Mitchell". She was a member of the National Women's Party and was a suffragist. She won many honors, was the first woman Dean of Astronomers, and the first woman to get an honorary degree from Oxford University.
How old was Annie Jump Cannon when she died?
77 years1863–1941
Is there anything named after Annie Jump Cannon?
The asteroid 1120 Cannonia is named after her. The Annie J. Cannon Award in Astronomy named in her honor; awarded since 1934 (now annually) to a woman astronomer in North America. Cannon Hall, a residence dormitory at the University of Delaware, named in her honor.
When did Annie Jump Cannon die?
Where did Annie Jump Cannon die?
Cambridge, MA
How is Annie Jump Cannon?
Known as the “census taker of the sky,” Annie Jump Cannon was a brilliant astronomer that revolutionized the way scientists classify stars. Not only did she develop the important Harvard spectral system, she also classified about 350,000 stars manually.