Fundamental stellar photometry for standards of spectral type on the revised system of the Yerkes spectral atlas
Photometry and spectroscopy are among the most important and fundamental types of astronomical observations. By the middle of the twentieth century most spectral classification was defined in terms… Expand
The Law of Interstellar Reddening and Absorption.
Communications of the Lunar and Planetary Laboratory. Volume 4
Some Evidence for a Regional Variation in the Law of Interstellar Reddening.