page_title: Washington Double Star Catalog
hierarchical_section_title: Washington Double Star Catalog
caption_attribution_description: Deutsch: Lage der vom Washington Double Star Catalog beschriebenen Objekte im Vergleich zum gesamten Firmament. Hierbei handelt es sich um ein Diagramm der Objekthäufung. Für die Farben gilt die "Regenbogenskala": (wenig Objekte pro Quadratgrad) ⇔ violett ⇔ blau ⇔ grün ⇔ gelb ⇔ orange ⇔ rot ⇔ (viele Objekte pro Quadratgrad) English: Positions of the objects int the Washington Double Star Catalog in the whole sky. The image is like a map of the density of objects (cluster diagram). The color index is like a rainbow: (a few objects per square degree) ⇔ violet ⇔ blue ⇔ green ⇔ yellow ⇔ orange ⇔ red ⇔ (a lot of objects per square degree)
context_page_description: The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory. The catalog contains positions, magnitudes, proper motions and spectral types and has entries for 141,743 pairs of double stars. The catalog also includes multiple stars. In general, a multiple star with n components will be represented by entries in the catalog for n-1 pairs of stars.
context_section_description: The Washington Double Star Catalog, or WDS, is a catalog of double stars, maintained at the United States Naval Observatory. The catalog contains positions, magnitudes, proper motions and spectral types and has entries for (as of June 2017) 141,743 pairs of double stars. The catalog also includes multiple stars. In general, a multiple star with n components will be represented by entries in the catalog for n-1 pairs of stars.
caption: The distribution of the objects of the catalog over the firmament is fairly even.
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