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From 1887–1891, he worked as a mathematics instructor at [[Livermore, California]], then received his M.A. from Williams College in 1892. He became a professor of mathematics at the [[College of the Pacific (University of the Pacific)|College of the Pacific]], another liberal arts school.<ref name=pasp64_376_5/> He was offered an assistant astronomer position at [[Lick Observatory]] in [[California]] in 1895.<ref name="Daintith, Biog Sci" />
From 1887–1891, he worked as a mathematics instructor at [[Livermore, California]], then received his M.A. from Williams College in 1892. He became a professor of mathematics at the [[College of the Pacific (University of the Pacific)|College of the Pacific]], another liberal arts school.<ref name=pasp64_376_5/> He was offered an assistant astronomer position at [[Lick Observatory]] in [[California]] in 1895.<ref name="Daintith, Biog Sci" />


He began a systematically study of [[double star]]s, measuring their positions and calculating their orbits around one another. From 1899, in collaboration with [[William Joseph Hussey|W. J. Hussey]], he methodically created a very large catalog of such stars. This ongoing work was published in Lick Observatory bulletins.<ref name=pasp64_376_5/> In 1905, Hussey left and Aitken pressed on with the survey alone, and by 1915, he had discovered roughly 3,100&nbsp;new binary stars, in addition to the 1,300&nbsp;discovered by Hussey. The results were published in 1932 and entitled ''New General Catalogue of Double Stars Within 120° of the North Pole'',<ref name="Daintith, Biog Sci"/> with the orbit information enabling astronomers to calculate stellar mass statistics for a large number of stars. For his work in cataloguing binary stars<ref>{{cite book
He began a systematically study of [[double star]]s, measuring their positions and calculating their orbits around one another. From 1899, in collaboration with [[William Joseph Hussey|W. J. Hussey]], he methodically created a very large catalog of such stars. This ongoing work was published in Lick Observatory bulletins.<ref name=pasp64_376_5/> In 1905, Hussey left and Aitken pressed on with the survey alone, and by 1915, he had discovered roughly 3,100&nbsp;new binary stars, in addition to the 1,300&nbsp;discovered by Hussey. The results were published in 1932 and entitled ''New General Catalogue of Double Stars Within 120° of the North Pole'',<ref name="Daintith, Biog Sci"/> with the orbit information enabling astronomers to calculate stellar mass statistics for a large number of stars. For his work in cataloguing binary stars,<ref>{{cite book
| last = Aitken
| last = Aitken
| first = Robert G.
| first = Robert G.
| title = The Binary Stars
| title = The Binary Stars
| date = 1964| publisher = Dover| place =New York}}</ref>, he was awarded the prestigious [[Bruce Medal]] in 1926.<ref name=pasp64_376_5/>
| date = 1964| publisher = Dover| place =New York}}</ref> he was awarded the prestigious [[Bruce Medal]] in 1926.<ref name=pasp64_376_5/>


During his career, Aitken measured positions and computed orbits for [[comet]]s and [[natural satellite]]s of [[planet]]s. In 1908 he joined an eclipse expedition to [[Flint Island]] in the central [[Pacific Ocean]]. His book ''Binary Stars'' was published in 1918, with a second edition published in 1935.<ref name=pasp64_376_5/>
During his career, Aitken measured positions and computed orbits for [[comet]]s and [[natural satellite]]s of [[planet]]s. In 1908 he joined an eclipse expedition to [[Flint Island]] in the central [[Pacific Ocean]]. His book ''Binary Stars'' was published in 1918, with a second edition published in 1935.<ref name=pasp64_376_5/>

Revision as of 08:50, 19 May 2023

Robert Grant Aitken
Robert Grant Aitken (1864-1951)
Born(1864-12-31)December 31, 1864
Jackson, California, US
DiedOctober 29, 1951(1951-10-29) (aged 86)
Berkeley, California, US
Other namesR.G. Aitken
Known forDouble Stars
Scientific career
FieldsAstronomy
InstitutionsUniversity of California, Lick Observatory

Robert Grant Aitken (December 31, 1864 – October 29, 1951) was an American astronomer.[1]

Early life and education

Robert Grant Aitken was born in Jackson, California, to Scottish immigrant Robert Aitken and Wilhelmina Depinau.[2] Aitken attended Williams College in Massachusetts and graduated with an undergraduate degree in 1887.

Career

From 1887–1891, he worked as a mathematics instructor at Livermore, California, then received his M.A. from Williams College in 1892. He became a professor of mathematics at the College of the Pacific, another liberal arts school.[3] He was offered an assistant astronomer position at Lick Observatory in California in 1895.[1]

He began a systematically study of double stars, measuring their positions and calculating their orbits around one another. From 1899, in collaboration with W. J. Hussey, he methodically created a very large catalog of such stars. This ongoing work was published in Lick Observatory bulletins.[3] In 1905, Hussey left and Aitken pressed on with the survey alone, and by 1915, he had discovered roughly 3,100 new binary stars, in addition to the 1,300 discovered by Hussey. The results were published in 1932 and entitled New General Catalogue of Double Stars Within 120° of the North Pole,[1] with the orbit information enabling astronomers to calculate stellar mass statistics for a large number of stars. For his work in cataloguing binary stars,[4] he was awarded the prestigious Bruce Medal in 1926.[3]

During his career, Aitken measured positions and computed orbits for comets and natural satellites of planets. In 1908 he joined an eclipse expedition to Flint Island in the central Pacific Ocean. His book Binary Stars was published in 1918, with a second edition published in 1935.[3]

After joining the Astronomical Society of the Pacific in 1894, Aitken was elected to serve as president in 1899 and 1915 of the Astronomical Society of the Pacific. From 1898 to 1942, Aitken was an editor of the Publications of the Astronomical Society of the Pacific. In 1932, he delivered the Darwin Lecture before the Royal Astronomical Society, where he was an associate member. From 1918 to 1928, he was chair of the double star committee for the International Astronomical Union.[3]

Personal life

Aitken was partly deaf and used a hearing aid. He married Jessie Thomas around 1888; they had three sons and one daughter. Jessie died in 1943.[3] Their son Robert Thomas Aitken was an anthropologist who studied Pacific island cultures. Their grandson, Robert Baker Aitken, was a widely known Zen Buddhist teacher and author. Their granddaughter Marjorie J. Vold was a noted chemist specializing in colloids.

Honors

Awards
Named after him

References

  1. ^ a b c Daintith, John (1981). "Aitken, Robert Grant". Biographical Encyclopedia of Scientists. Vol. 1. New York: Facts On File, Inc. p. 9. ISBN 0-87196-396-5.
  2. ^ Osterbrock, Donald E. (February 2000). Aitken, Robert Grant. doi:10.1093/anb/9780198606697.article.1300018. ISBN 978-0-19-860669-7. Retrieved 5 May 2021. {{cite book}}: |website= ignored (help)CS1 maint: url-status (link)
  3. ^ a b c d e f Jeffers, Hamilton M. (February 1952), "Robert Grant Aitken, 1864-1951", Publications of the Astronomical Society of the Pacific, 64 (376): 5, Bibcode:1952PASP...64....5J, doi:10.1086/126408
  4. ^ Aitken, Robert G. (1964). The Binary Stars. New York: Dover.

External links

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Obituaries

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