Papers, etc.

Some of Babcock’s papers are at the Huntington Library. The AIP Center for History of Physics has a Manuscript Autobiography (38 pp.), as well as oral interviews of Horace Babcock and others who worked with Harold Babcock.

Other References: Historical

Adams, Walter S., “Early Solar Research at Mt. Wilson,” Vistas in Astronomy 1, 619-623 (1955).

Babcock, Harold D., “In 1903,” PASP 51, 19-23 (1939) [poem recounting first visit to Mt. Wilson].

Babcock, Horace W., “Diffraction Gratings at the Mount Wilson Observatory,” Physics Today 39, 7, 34-42 (1986).

Howard, R., “Eight Decades of Solar Research at Mt. Wilson,” Solar Physics 100, 1-2, 171-187 (1985).

Hufbauer, Karl, Exploring the Sun: Solar Science Since Galileo (Johns Hopkins Univ. Press, Baltimore, 1991).

Simmons, Michael, “The History of Mount Wilson Observatory: Bringing Astronomy to an Isolated Mountaintop,” Mt. Wilson Observatory Association, 1983).

Search ADS for works about Babcock

Other References:Scientific

Babcock, Harold D., “The Zeeman effect for Chromium,” Ap.J. 34, 217-33 (1911).

Babcock, Harold D., “Note on the Grouping of Triplet Separations Produced by a Magnetic Field,” Ap.J. 34, 288-93 (1911).

St. John, Charles E. & Harold D. Babcock, “A Displacement of Arc Lines Not Due to Pressure,“ Phys. Rev. 3, 487-88 (1914).

St. John, Charles E. & Harold D. Babcock, “A Study of the Pole Effect in the Iron Arc,” Ap.J. 42, 231-62 (1915).

St. John, Charles E. & Harold D. Babcock, “The Elimination of Pole-Effect from the Source for Secondary Standards of Wave-Length,” Ap.J. 46, 138-66 (1917).

St. John, Charles E. & Harold D. Babcock, “ “Wave-Lengths of Lines in the Iron Arc from Grating and Interferometer Measures l 3370- l 6750,” Ap.J. 53, 260-99 (1921).

Babcock, Harold D., “A Determination of e/m from Measurements of the Zeeman Effect,” Ap.J. 58, 149-63 (1923).

Babcock, Harold D., “A Study of the Infra-Red Solar Spectrum with the Interferometer,” Ap.J. 65, 140-62 (1927).

Babcock, Harold D., “Revision of the Value of e/m Derived from Measurements of the Zeeman Effect,” Ap.J. 69, 43-48 (1929).

Babcock, Harold D., “A Photographic Study Of the Solar Spectrum in the Region l10000 to l11000 A,” PASP 41, 274-76 (1929).

Babcock, Harold D., “The Construction and Characteristics of Some Diffraction Gratings,” PASP 45, 283-88 (1933).

Babcock, Harold D., “Wave Numbers of Infrared Spectral Lines Beyond l10,000,”Phys. Rev. 46, 382-83 (1934)

Babcock, Harold D., “Chemical Compounds in the Sun.,” Ap J. 102, 154-67 (1945).

Babcock, Harold Delos & Charlotte E. Moore, “The Solar Spectrum l2914-l3060,” Astronomical Journal 52, 41 (1946).

Babcock, Harold D., Charlotte E. Moore, & Mary F. Coffeen, “The Ultraviolet Solar Spectrum , ll2935 to 3060,” Ap.J. 107, 287-302A (1948) [Errata].

Babcock, Harold D., “The Derivation of Vacuum Wave Numbers and the Reduction of Measured Wave Lengths to Standard Atmospheric Conditions.,” Ap.J. 111, 60-64 (1950).

Babcock, Harold D. & Horace W. Babcock, “The Ruling of Diffraction Gratings at the Mount Wilson Observatory,” Astronomical Journal 56, 120 (1951).

Babcock, Horace W. & Harold D. Babcock, “Mapping the Magnetic Fields of the Sun,” PASP 64, 282-87 (1952).

Babcock, Horace W. & Harold D. Babcock, “The Sun’s Magnetic Field, 1952-1954,” Ap.J. 121, 349-66 (1955).

Babcock, H.W., B.H. Rule, & J.S. Fassero, “An Improved Automatic Guider,” PASP 68, 256 (1956).

Babcock, Harold D., “The Sun’s Polar Magnetic Field,” Ap.J. 130, 364-65 (1959).

Search ADS for works by Babcock

Other Works: Popularizations, Fiction, etc.

Babcock, Harold D., “What's in the Air?” Astronomical Society of the Pacific Leaflets 6, 322-29 (1953) [Leaflet #291, the address given on receipt of the Bruce Medal].

Please send comments, additions, corrections, and questions to joe.tenn@sonoma.edu

JST 2004-07-01