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Harold Lester Johnson (April 17, 1921 – April 2, 1980) was an American astronomer. Harold Johnson was born in Denver, Colorado, on April 17, 1921. He received his early education in Denver public schools and went to the University of Denver, graduating with a degree in mathematics in 1942.
April 17, 1921–April 2, 1980. BY GÉRARD H. DE VAUCOULEURS. HAROLD JOHNSON, ONE OF the most productive and influential observational astrophysicists of this century, was born in Denver, Colorado, on April 17, 1921, the son of Averill C. and Marie (Sallach) Johnson.
El Sistema fotométrico UBV , también conocido como Sistema de Harold Johnson (o sistema de Johnson-Morgan), es un sistema fotométrico de banda ancha para la clasificación estelar regido en función del color del astro. Es el primer sistema fotométrico estandarizado.
It was introduced in the 1950s by American astronomers Harold Lester Johnson and William Wilson Morgan. A 13 in (330 mm) telescope and the 82 in (2,100 mm) telescope at McDonald Observatory were used to define the system.
Contents. Harold Lester Johnson. American astronomer. Learn about this topic in these articles: development of UBV system. In UBV system. …1950s by the American astronomers Harold Lester Johnson and William Wilson Morgan and has largely superseded the less accurate system using the north polar sequence. Read More.
Johnson, Harold Lester (1921-80) - NASA/ADS. Astronomical photometrist, born in Denver, CO, he had a peripatetic career at American observatories such as Lick, Lowell, Washburn, Yerkes, McDonald, Tucson, Tonanzintla and the National Observatory, Mexico.
Imprint CRC Press. Pages 1. Share. ABSTRACT. Astronomical photometrist, born in Denver, CO, he had a peripatetic career at American observatories such as Lick, Lowell, Washburn, Yerkes, McDonald, Tucson, Tonanzintla and the National Observatory, Mexico.
