The great importance of intensity studies in stellar spectra has long been recognized and as such has been the subject of many investigations. Most of the early studies have been on the intensity distribution of the continuous spectrum. The more recent investigations have been confined to special regions of the continuous spectrum as well as on selected spectral lines. Various methods have been used for such intensity studies.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Schiefer, Herbert F.
"A Spectorophotometric and Spectroscopic Study of Phi Persei,"
Proceedings of the Iowa Academy of Science, 36(1), 281-293.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/74