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Joined 2026-09-21 Message
Incoming links: Spectroscopy
Advanced Camera for Surveys 2026-10-25
Alfred Perot Created 2026-10-14 Updated 2026-10-31
Portrait of Alfred Perot
. Eugène Pirou (1841–1909), before 1900; cropped and rotated version hosted by Wikimedia Commons. Public domain in countries with a copyright term of life plus 100 years or less; Commons Public Domain Mark. Source usage terms, via Wikimedia Commons. Source.
Anders Jonas Ångström Created 2026-10-18 Updated 2026-10-31
A physicist appointed professor at Uppsala in 1858, whose research included spectroscopy.[ref]
Anders Ångström by Uppsala University. Anders Ångström: optical spectroscopy research and appointment as professor of physics in 1858
Portrait of Anders Jonas Ångström
. Hulda Schenson; Vetenskapsakademiens porträttsamling. Public domain (PD-Art / Public Domain Mark 1.0, as stated on Commons). Source usage terms, via Wikimedia Commons. Source.
Section 7, SIS, in the institutional ASCA technical description, Appendix E. Describes silicon electron-hole generation at approximately 3.65 eV per pair, clocked transfer, collection losses and imaging spectroscopy.
Astronomer Created 2026-10-13 Updated 2026-10-18
Atomic physics 2026-10-05
Carl Runge Created 2026-10-14 Updated 2026-10-24
Portrait of Carl Runge
. Unknown photographer; reproduced in Constance Reid, Hilbert (1970), p. 234. Commons public-domain claim for life-plus-70 jurisdictions; US basis not supplied, via Wikimedia Commons. Source.
Charles Fabry Created 2026-10-14 Updated 2026-10-31
Portrait of Charles Fabry
. George Grantham Bain Collection, Library of Congress, ggbain.37539; individual photographer and exposure date unspecified. Commons records United States public-domain status; the collection also reports no known restrictions on publication., via Wikimedia Commons. Source.
Chris A. Michaels Created 2026-10-18 Updated 2026-10-24
Christopher Yonan 2026-10-13
C. S. G. Phillips 2026-10-20
Daniel A. Steck Created 2026-10-20 Updated 2026-10-31
Delmar S. Larsen 2026-10-14
Electron spectroscopy Created 2026-10-18 Updated 2026-10-20
Energy level 2026-10-18
E. W. Kaiser 2026-10-13
Francesco S. Pavone 2026-10-13
Fraunhofer lines 2026-10-31
Dark absorption features in the solar spectrum, mapped and labelled by Joseph von Fraunhofer. They give reproducible wavelength landmarks for spectroscopy and optical measurements. Solar and terrestrial absorbers contribute different features to a ground-observed solar spectrum.
George C. Rhoderick 2026-10-14
Identity source: www.nist.gov/publications/search_by_author/1148686
Gerald T. Fraser 2026-10-14
Identity source: www.nist.gov/people/gerald-t-fraser