- Yerkes system
- Йеркская система цветов звезд
English-Russian astronomy dictionary. 2013.
Yerkes system
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Yerkes, Charles Tyson — ▪ American financier born June 25, 1837, Philadelphia, Pa., U.S. died Dec. 29, 1905, New York, N.Y. American financier who put together the syndicate of companies that built Chicago s (Chicago) mass transit system. Yerkes started as a … Universalium
Charles Yerkes — Charles Tyson Yerkes Charles Tyson Yerkes (June 25, 1837 – December 29, 1905) was an American financier, born in Philadelphia. He played a major part in developing mass transit systems in Chicago and London. Contents … Wikipedia
Harvard-System — Hertzsprung Russell Diagramm Spektralklasse Braune Zwerge … Deutsch Wikipedia
UBV photometric system — UBV photometric system, also called the Johnson system (or Johnson Morgan system), is a wide band photometric system for classifying stars according to their colors. It is first known standardized photoelectric photometric system. The letters U,… … Wikipedia
UBV-System — UBV System, auch Johnson System oder Johnson Morgan System genannt, ist ein breitbandiges fotometrisches System. Die Buchstaben U, B und V stehen für ultraviolette, blaue und visuelle Größenklassen, welche gemessen werden, um ihn im UBV System… … Deutsch Wikipedia
Photometric system — In astronomy, a Photometric system is a set of well defined passbands (of filters), with a known sensitivity to incident radiation. The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a… … Wikipedia
Morgan , William Wilson — (1906–1994) American astronomer Morgan, who was born in Bethesda, Tennessee, studied at the Washington and Lee University and then at the University of Chicago where he obtained his BSc in 1927 and his PhD in 1931. The following year, he took up… … Scientists
Geek Code — The Geek Code is a series of letters and symbols used by self described geeks to inform fellow geeks about their personality, appearance, interests, and opinions. The idea is that everything that makes a geek individual and different from all the … Wikipedia
Leuchtkraftklasse — Die Leuchtkraftklasse ist ein Begriff aus der Astrophysik und dient zusammen mit der Spektralklasse dazu, Sterne nach charakteristischen Eigenschaften ihrer Spektren zu klassifizieren. Während die Spektralklasse Eigenschaften berücksichtigt, die… … Deutsch Wikipedia
stellar classification — ▪ astronomy scheme for assigning stars (star) to types according to their temperatures as estimated from their spectra. The generally accepted system of stellar classification is a combination of two classification schemes: the Harvard… … Universalium
Underground Electric Railways Company of London — Geographic map of the UERL s three deep level tube lines in 1907 Part of a series of article … Wikipedia
