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to be exactly where the lines had been found. The low probability for collisions in the nebula made it impossible for the oxygen to get from the excited stated to the ground state and so the forbidden transitions were the main path for the relaxation. Bowen published his findings in 1927 and
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240:. Bowen gave lectures on general physics at Caltech and did research on cosmic rays and followed his studies on UV spectroscopy. He also did calculations on spectra for the light elements of the
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in 1864. Because no known element was showing these emission lines in the experiment it was concluded in the late 1890s that a new element was responsible for that lines, it was called
306:
Before his retirement in 1964 and even afterwards Bowen was involved in the improvement of the optical design of several large optical instruments, for example the 100 inch
197:
in 1898 to
Philinda Sprague and James Bowen. Due to frequent moves of his family he was home schooled until his father died in 1908. From that point on he attended
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where his mother worked as teacher. After graduation from high school in 1915 Bowen stayed at the junior college of
Houghton College, and later joined
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Oral history interview transcript for Ira
Sprague Bowen on 26 August 1969, American Institute of Physics, Niels Bohr Library & Archives
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Oral history interview transcript for Ira
Sprague Bowen on 9 August 1968, American Institute of Physics, Niels Bohr Library & Archives
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from which he graduated in 1919. During his time at
Oberlin, Bowen did some research on the properties of steel for the scientist
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in 1921 and Bowen moved with him. The contact with Hale enabled Bowen also to work at the
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321:, which quantifies the ratio of sensible to latent heat over an evaporating surface.
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He is also known in the context of meteorology for the introduction of the
169:(December 21, 1898 – February 6, 1973) was an American physicist and
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in fall 1919. By 1921 he took a position in the research group of
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Recipients of the Gold Medal of the Royal
Astronomical Society
933:"Winners of the Gold Medal of the Royal Astronomical Society"
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and the emission of radiation at low density in the book
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Hadfield, Robert; Williams, S. R.; Bowen, I. S. (1921).
527:
Biographical
Memoirs of the National Academy of Sciences
244:. With that data and the inspiration from a chapter on
873:"Past Winners of the Catherine Wolfe Bruce Gold Medal"
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634:"The Magnetic Mechanical Analysis of Manganese Steel"
631:
638:
Proceedings of the Royal
Society of London, Series A
499:
Quarterly
Journal of the Royal Astronomical Society
495:"I. S. Bowen, 1898 December 21 - 1973 February 6"
1023:Members of the Royal Swedish Academy of Sciences
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462:National Academy of Sciences Biographical Memoir
224:of chemical elements. Millikan was persuaded by
1028:Members of the American Philosophical Society
27:American physicist and astronomer (1898–1973)
597:The Biographical Encyclopedia of Astronomers
395:Gold Medal of the Royal Astronomical Society
983:California Institute of Technology faculty
329:Ira Sprague Bowen was elected to the U.S.
40:
998:California Institute of Technology alumni
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292:concluded that nebulium was not really a
1018:Fellows of the American Physical Society
209:. Their results were published in 1921.
793:American Academy of Arts & Sciences
517:
14:
960:
843:"Past Recipients of the Rumford Prize"
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593:
264:he achieved his best known discovery.
847:American Academy of Arts and Sciences
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693:"The Origin of the Nebulium Spectrum"
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492:
371:American Academy of Arts and Sciences
339:American Academy of Arts and Sciences
299:Bowen was the first director of the
212:Bowen began studying physics at the
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877:Astronomical Society of the Pacific
551:Vaughan Jr., Arthur H. (May 1973).
24:
1013:People from Seneca Falls, New York
453:Awarding of RAS gold medal: QJRAS
428:of turbulent fluxes from a surface
283:. Bowen was able to calculate the
230:California Institute of Technology
98:California Institute of Technology
25:
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968:20th-century American astronomers
467:
432:
993:Howard N. Potts Medal recipients
389:Henry Norris Russell Lectureship
267:The green emission lines of the
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523:"Ira Sprague Bowen 1898 - 1973"
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444:Awarding of Bruce medal: PASP
335:American Philosophical Society
13:
1:
907:American Astronomical Society
553:"Obituary: Ira Sprague Bowen"
538:
486:
303:, serving from 1948 to 1964.
173:. In 1927 he discovered that
817:National Academy of Sciences
355:National Academy of Sciences
331:National Academy of Sciences
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903:"Grants, Prizes and Awards"
10:
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1003:Houghton University alumni
937:Royal Astronomical Society
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312:Las Campanas Observatory
234:Mount Wilson Observatory
222:ultraviolet spectroscopy
220:. He was assigned to do
151:Mount Wilson Observatory
669:2027/osu.32435010017259
594:Hockey, Thomas (2009).
218:Robert Andrews Millikan
1008:Oberlin College alumni
659:10.1098/rspa.1921.0004
531:National Academy Press
195:Seneca Falls, New York
66:Seneca Falls, New York
691:Bowen, I. S. (1927).
493:Aller, L. H. (1974).
361:Howard N. Potts Medal
289:doubly ionized oxygen
285:forbidden transitions
214:University of Chicago
183:doubly ionized oxygen
853:on 27 September 2012
813:"Henry Draper Medal"
769:search.amphilsoc.org
765:"APS Member History"
254:Henry Norris Russell
789:"Ira Sprague Bowen"
709:1927Natur.120..473B
650:1921RSPSA..98..297H
602:Springer Publishing
569:1973PhT....26e..77V
511:1974QJRAS..15..193A
377:Frederic Ives Medal
301:Palomar Observatory
275:were discovered by
262:John Quincy Stewart
258:Raymond Smith Dugan
238:Palomar Observatory
155:Palomar Observatory
913:on 24 January 2010
823:on 26 January 2013
533:. pp. 82–119.
519:Babcock, Horace W.
351:Henry Draper Medal
226:George Ellery Hale
193:Bowen was born in
118:Henry Draper Medal
745:www.nasonline.org
611:978-0-387-31022-0
577:10.1063/1.3128066
337:in 1940, and the
271:at 4959 and 5007
177:was not really a
167:Ira Sprague Bowen
164:
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131:Scientific career
62:December 21, 1898
34:Ira Sprague Bowen
16:(Redirected from
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939:. Archived from
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909:. Archived from
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644:(692): 297–302.
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579:. Archived from
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529:. Vol. 53.
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439:Bruce Medal page
294:chemical element
269:Cat's Eye Nebula
199:Houghton College
179:chemical element
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77:February 6, 1973
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883:on 21 July 2011
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402:Named after him
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277:William Huggins
228:to move to the
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203:Oberlin College
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94:Alma mater
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68:, United States
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433:External links
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46:Bowen in 1956
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945:. Retrieved
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915:. Retrieved
911:the original
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881:the original
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851:the original
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563:(5): 77–78.
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482:- Session II
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181:but instead
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147:Institutions
130:
79:(1973-02-06)
18:Ira S. Bowen
978:1973 deaths
973:1898 births
947:24 February
917:24 February
887:24 February
857:24 February
827:24 February
741:"Ira Bowen"
505:: 193–196.
476:- Session I
426:Bowen ratio
407:The crater
383:Bruce Medal
319:Bowen ratio
123:Bruce Medal
86:Nationality
962:Categories
798:2023-05-03
774:2023-05-03
750:2023-05-03
617:August 22,
539:References
487:Obituaries
457:(1966) 114
448:(1957) 105
421:3363 Bowen
341:in 1950.
171:astronomer
58:1898-12-21
353:from the
250:Astronomy
141:astronomy
521:(1982).
418:Asteroid
281:nebulium
273:Ångström
236:and the
175:nebulium
108:Nebulium
89:American
727:4066813
705:Bibcode
646:Bibcode
565:Bibcode
507:Bibcode
411:on the
373:(1949)
369:of the
310:at the
725:
697:Nature
676:
608:
397:(1966)
391:(1964)
385:(1957)
379:(1952)
363:(1946)
357:(1942)
345:Awards
325:Honors
137:Fields
125:(1957)
120:(1942)
114:Awards
723:S2CID
678:93947
674:JSTOR
409:Bowen
949:2011
919:2011
889:2011
859:2011
829:2011
619:2012
606:ISBN
413:Moon
287:of
260:and
74:Died
52:Born
713:doi
701:120
664:hdl
654:doi
573:doi
252:by
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