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Helmut Abt

From Wikipedia, the free encyclopedia
German-American astrophysicist (1925–2024)

Helmut Abt
Abt in 2022 at theNOIRLab HQ inTucson, Arizona
Born
Helmut Arthur Abt

(1925-05-26)26 May 1925
Died22 November 2024(2024-11-22) (aged 99)
Alma mater
AwardsGeorge Van Biesbroeck Prize (1997)
Scientific career
FieldsAstrophysicist
ThesisAn Analysis of the Variable Star, W Virginis (1952)
Doctoral advisorJesse L. Greenstein

Helmut Arthur Abt (26 May 1925 – 22 November 2024) was a German-born Americanastrophysicist, having worked at theNational Optical Astronomy Observatory and an Elected Fellow of theAmerican Association for the Advancement of Science.[1][2][3][4] He was astronomeremeritus atKitt Peak National Observatory.[5][6]

Life and career

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Helmut Arthur Abt was born in Helmstedt, Germany on 26 May 1925.[7] His family emigrated to the United States when he was two.[7][6] He received his B.S. inMathematics fromNorthwestern University in 1946, M.S. inPhysics from Northwestern University in 1948,[8] and became the first person to be awarded a Ph.D. in astrophysics atCalifornia Institute of Technology in 1952 for his thesis work onW Virginis.[4][9]

He then spent a year atLick Observatory.[7] From 1953 to 1959 he was assistant professor atYerkes Observatory, part of theUniversity of Chicago, then joined the staff of the Kitt Peak National Observatory as an astronomer, where he remained until 2000.[10][6] From 1966 to 1968, he was President of theAstronomical Society of the Pacific.[7] During 1971–1999 he was managing editor of theAstrophysical Journal.[4]

His areas of research includedstellar rotation;binary stars, includingspectroscopic binaries;stellar classification; andbibliometrics ofastronomy publications.[5][6]

Abt died on 22 November 2024, at the age of 99.[11]

Awards and honors

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Abt was awarded theGeorge Van Biesbroeck Prize in 1997.[10] Themain-belt asteroid9423 Abt, discovered bySpacewatch atKitt Peak National Observatory in 1996,[3] and Abt's star (SV Crateris/ HD 98088/ ADS 8115) in the constellationCrater[12] were named in his honor.

References

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  1. ^"Abt, Helmut". aaas.org.Archived from the original on 17 April 2017. Retrieved16 April 2017.
  2. ^"Interview". aip.org. 8 December 2014.Archived from the original on 17 April 2017. Retrieved16 April 2017.
  3. ^abSchmadel, Lutz D. (2007). "(9423) Abt".Dictionary of Minor Planet Names.Springer Berlin Heidelberg. p. 692.doi:10.1007/978-3-540-29925-7_7509.ISBN 978-3-540-00238-3.
  4. ^abc"NOAO Astronomer Helmut Abt turns 90". National Optional Astronomy Observatory. 2015.Archived from the original on 27 January 2019. Retrieved26 January 2019.
  5. ^ab"NOIRLab Scientific staff".NOIRLab.Archived from the original on 1 February 2023. Retrieved23 February 2023.
  6. ^abcdNemeh, Katherine H., ed. (2020)."Abt, Helmut Arthur".American Men & Women of Science: A Biographical Directory of Today's Leaders in Physical, Biological, and Related Sciences. Vol. 1 (38th ed.). Farmington Hills, Michigan:Gale. p. 40.ISBN 978-0-02-866695-2.ISSN 0000-1287.OCLC 1152235791.Archived from the original on 23 February 2023. Retrieved23 February 2023.{{cite book}}: CS1 maint: date and year (link)
  7. ^abcdCheng, K. S.; Leung, K. C.; Li, T. P., eds. (2003). "Helmut A. Abt".Stellar Astrophysics — A Tribute to Helmut A. Abt(PDF). Astrophysics and Space Science Library book series. Vol. 298.doi:10.1007/978-94-017-0403-8.ISBN 978-90-481-6452-3.ISSN 0067-0057.Archived(PDF) from the original on 27 January 2019. Retrieved26 January 2019.
  8. ^"Helmut Abt".National Optical Astronomy Observatory. Association of Universities for Research in Astronomy (AURA). Archived fromthe original on 9 July 2017. Retrieved1 June 2017.
  9. ^Abt, Helmut Arthur (1952).An Analysis of the Variable Star W Virginis(PDF) (Ph.D.). Pasadena, California: California Institute of Technology.doi:10.7907/R3P7-KJ13.Archived(PDF) from the original on 29 January 2019. Retrieved28 January 2019.
  10. ^ab"Brief Introduction of Prof. Abt Helmut".Research in Astronomy and Astrophysics.ISSN 1674-4527.Archived from the original on 27 January 2019. Retrieved26 January 2019.
  11. ^Marvel, Kevin (2 December 2024)."Remembering Helmut Abt (1925 – 2024)".American Astronomical Society (AAS). Retrieved6 December 2024.
  12. ^Sky Catalogue 2000.0, Volume 2: Double Stars, Variable Stars and Nonstellar Objects - page xlv: Glossary of Selected Astronomical Names

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