Hertzsprung — [ hɛrdsbroȖ], Einar, dänischer Astronom, * Frederiksberg 8. 10. 1873, ✝ Roskilde 21. 10. 1967; wirkte ab 1909 an der Sternwarte in Göttingen und am Astrophysikalischen Observatorium in Potsdam, 1919 44 an der Sternwarte in Leiden (seit 1935 als … Universal-Lexikon
Hertzsprung — (Ejnar) (1873 1967) astronome danois. || ASTRO Diagramme de Hertzsprung Russell (par abrév. H. R.): diagramme sur lequel on porte en abscisse le type spectral d une étoile (ou sa température de surface) et en ordonnée sa magnitude absolue, pour… … Encyclopédie Universelle
Hertzsprung–Russell diagram — Hertzsprung–Russell diagram[1] with 22,000 stars plotted from the Hipparcos catalog and 1,000 from the Gliese catalog of nearby stars. Stars tend to fall only into certain regions of the diagram. The most predominant is the diagonal, going from… … Wikipedia
Hertzsprung-Russell-Diagramm — [ hɛrdsbroȖ rʌsl ; nach E. Hertzsprung und H. N. Russell], Abkürzung HRD, Diagramm als Klassifizierungsschema für Sterne mit der Spektralklasse als Abszisse und der absoluten Helligkeit als Ordinate. Bei theoretischen Untersuchungen werden… … Universal-Lexikon
Hertzsprung , Ejnar — (1873–1967) Danish astronomer Hertzsprung was born in Frederiksberg, Denmark, the son of a senior civil servant who had a deep interest in mathematics and astronomy but who was anxious to see that his son received a more practical education.… … Scientists
Hertzsprung-Russell-Diagramm — Spektralklasse Braune Zwerge … Deutsch Wikipedia
Hertzsprung-Russell diagram — The Hertzsprung Russell diagram (usually referred to by the abbreviation H R diagram or HRD, also known as a colour magnitude diagram, or CMD) shows the relationship between absolute magnitude, luminosity, classification, and effective… … Wikipedia
Hertzsprung-Russel-Diagramm — Hertzsprung Russell Diagramm Spektralklasse Braune Zwerge … Deutsch Wikipedia
Hertzsprung (crater) — lunar crater data latitude=2.6 N or S=N longitude=129.2 E or W=W diameter=591 km depth= Unknown colong=140 eponym=Ejnar HertzsprungHertzsprung is an enormous lunar crater that is located on the far side of the Moon, beyond the western limb. In… … Wikipedia
Hertzsprung gap — The Hertzsprung gap is a feature of the HR diagram for a star cluster. It is named after Ejnar Hertzsprung who first noticed the absence of stars in the region of the HR diagram between A5 and G0 spectral type and between +1 and 3 absolute… … Wikipedia