The American astronomer A. J. Cannon

The American astronomer A. J. Cannon

H403/0130 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 27.8MB

Downloadable file size: 1.1MB

Price image Pricing

Please login to use the price calculator



Caption: The US astronomer Annie Jump Cannon (1863-1941). In 1895 she entered the Radcliffe College to study astronomy and in 1896 she was appointed to the staff of the Harvard College Observatory. She worked there for the rest of her career, serving from 1911 to 1932 as curator of astronomical photographs. She was responsible for the compila- tion of the Henry Draper Catalogue containing a quarter of a million stellar spectra. She developed a new spectral classification which since then has only slightly altered. She grouped stellar spectra in nine classes O, B, A, F, G, K, M, R and N in terms of decreasing surface temperatures.

Release details: Model release not available. Property release not required.

Keywords: annie, annie jump, astronomer, cannon, deaf, portraits, proposer, scientist, star spectra system, surname c, woman

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.