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DIAGRAMME SPECTRAL [3 records]

Record 1 2013-12-04

English

Subject field(s)
  • Computer Graphics
  • Remote Sensing
  • Astronomy
DEF

[A] graph showing the relation between the absolute magnitudes (brightnesses) of stars and their colours, which are closely related to their temperatures and spectral types.

French

Domaine(s)
  • Infographie
  • Télédétection
  • Astronomie
CONT

Les galaxies d’amas se placent sur une séquence dans un diagramme couleur-magnitude(la couleur étant définie comme la différence entre les magnitudes mesurées dans deux filtres différents), ce qui est un moyen de sélectionner les galaxies ayant une forte probabilité d’appartenir à l'amas même si l'on ne connaît pas leur décalage spectral.

Spanish

Save record 1

Record 2 2013-08-21

English

Subject field(s)
  • Geological Prospecting
  • Geological Research and Exploration

French

Domaine(s)
  • Prospection géologique
  • Recherches et prospections géologiques

Spanish

Save record 2

Record 3 1998-03-20

English

Subject field(s)
  • Optics
CONT

The straight line joining the two end points of the spectrum locus is called the purple line, representing the locus of chromaticities of additive mixtures of the extreme short-wave stimulus with the extreme long-wave stimulus.

French

Domaine(s)
  • Optique
DEF

Ligne joignant les extrémités «rouge» et «violet» du lieu spectral, dans un diagramme de chromaticité. [Définition normalisée par l'AFNOR. ]

OBS

ligne des pourpres; limite des pourpres : termes normalisés par l’AFNOR.

Spanish

Save record 3

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