Joy, Alfred Harrison (1882-1973)

Details Joy, Alfred Harrison (1882-1973) Joy, Alfred Harrison (1882-1973)

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000eaa..booke3747.&link_type=abstract

"Encyclopedia of Astronomy and Astrophysics, Edited by Paul Murdin, article 3747. Bristol: Institute of Physics Publishing, 2001

Astronomy and Astrophysics

Astronomy

History And Archaeoastronomy, Biographies

Scientific paper

Astrophysicist, staff member of Mount Wilson Observatory from 1915 for nearly 60 years, Joy worked on spectroscopy and the determination of the radial velocities of stars. He used the results to find the absolute magnitudes of Cepheid variable stars (as a contribution to the determination of the intergalactic distance scale), the distance of the galactic center and the Sun's rate of revolution a...

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