Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Mount Wilson Observatory H23

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Mount Wilson Observatory H23

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Image title: 
Spectra showing the Zeeman effect the splitting of lines in a magnetic field
Credit line: 
The Hale Observatory, courtesy of AIP Emilio Segrè Visual Archives

Spectra showing the Zeeman effect the splitting of lines in a magnetic field. C9 Iron triplet A 6173 in spectra Sun-spots. a and b, plane polarized light, with nicol and half-wave plate; c and d, circularly polarized light, with nicol and quarter-wave plate; c shows reversal of polarity in adjacent spots

Original format: 
3 photographic prints (black and white; 10 x 8 inches and 8.5 x 7 inches)
Mount Wilson Observatory