Joseph Haines Moore (September 7, 1878 – March 15, 1949) was an American astronomer. He was born in

Wilmington, Ohio Wilmington is a city in Clinton County, Ohio, United States, and its county seat. The population was 12,664 at the 2020 United States census, 2020 census. It is the principal city of the Micropolitan statistical area, Wilmington micropolitan area ...

, the only child of John Haines Moore and Anne Haines. He attended Wilmington College, receiving an A.B. degree in 1897. Thereafter, he studied astronomy at

Johns Hopkins University The Johns Hopkins University (often abbreviated as Johns Hopkins, Hopkins, or JHU) is a private university, private research university in Baltimore, Maryland, United States. Founded in 1876 based on the European research institution model, J ...

, and was awarded his Ph.D. in 1903. After graduation, he joined the staff of the

Lick Observatory The Lick Observatory is an astronomical observatory owned and operated by the University of California. It is on the summit of Mount Hamilton (California), Mount Hamilton, in the Diablo Range just east of San Jose, California, United States. The ...

on Mount Hamilton as an assistant to Dr.

William Wallace Campbell William Wallace Campbell (April 11, 1862 – June 14, 1938) was an American astronomer, and director of Lick Observatory from 1901 to 1930. He specialized in spectroscopy. He was the tenth president of the University of California from 1923 to 1 ...

. From 1909 to 1913, he was in charge of the observatory's southern station in Chile before returning to the United States. He spent many years performing

radial velocity The radial velocity or line-of-sight velocity of a target with respect to an observer is the rate of change of the vector displacement between the two points. It is formulated as the vector projection of the target-observer relative velocity ...

measurements of stars, which culminated in 1928 with the publication of a general catalog. Moore paid particular attention to the spectroscopic studies of

binary star A binary star or binary star system is a system of two stars that are gravitationally bound to and in orbit around each other. Binary stars in the night sky that are seen as a single object to the naked eye are often resolved as separate stars us ...

s. He acted as the president of the

Astronomical Society of the Pacific The Astronomical Society of the Pacific (ASP) is an American scientific and educational organization, founded in San Francisco on February 7, 1889, immediately following the solar eclipse of January 1, 1889. Its name derives from its origins on ...

in 1920 and 1928. In 1936 he became the assistant director of

, then the director in 1942. He joined five observatory

solar eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season i ...

expeditions, and directed two of these. In 1944 he began to suffer health issues because of the observatory's altitude, and so resigned as director in 1948. He taught at Berkeley until his retirement in 1948. Prior to his death, he and Dr. F. J. Neubauer released the ''Fifth Catalogue of the Orbital Elements of Spectroscopic Binary Stars.'' He was married to Fredrica Chase in 1907 and the couple had two daughters. The lunar crater

Moore Moore may refer to: Language * Mooré language, spoken in West Africa People * Moore (surname) ** List of people with surname Moore * Moore Crosthwaite (1907–1989), a British diplomat and ambassador * Moore Disney (1765–1846), a senior ...

was named after him in 1970.Moore
Gazetteer of Planetary Nomenclature, International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN)

References

External links

Portrait of Joseph Haines Moore from the Lick Observatory Records Digital Archive, UC Santa Cruz Library's Digital Collections
{{DEFAULTSORT:Moore, Joseph Haines 1878 births 1949 deaths American astronomers Wilmington College (Ohio) alumni Johns Hopkins University alumni