Concept information
Terme préférentiel
S-type star
Définition(s)
- An S star is a red giant star of spectral type S, similar to an M star except that the dominant oxides in the spectrum are those of the metals of the fifth period of the periodic table (zirconium, yttrium, etc.) instead of the third (titanium, scandium, vanadium). S stars also have strong cyanogen (CN) molecular bands and contain spectral lines of lithium and technetium. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/S/S_star.html)
Concept(s) générique(s)
Synonyme(s)
- S star
Traductions
-
français
-
étoile S
URI
http://data.loterre.fr/ark:/67375/MDL-DQ66SF0K-D
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