Photo from a copy of the book in the library of the Carnegie Observatories in Pasadena, California
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| This is a significant publication. It
was the first study of the rotation of the sun using photographic
spectroscopy to determine the Doppler shift at the advancing and receding limbs of
the solar disk. Adams and Lasby derived an empirical formula for
rotation as a function of solar latitude which was in general use by solar
astronomers throughout much of the twentieth century. In Gerard
Kuiper's book on solar physics in 1953 this publication was referenced as
the first modern authoritative treatise on solar rotation. George Ellery
Hale discussed the work (without mentioning the authors) in his book on
the early days at Mt. Wilson ("Ten Years of Work of a Mountain
Observatory" Washington: Carnegie Institution of Washington D.C.
1915)
Photo from a copy of the book in the library of the Carnegie Observatories in Pasadena, California |