Concept information
Terme préférentiel
P Cygni star
Définition(s)
- 1) A variable star in the constellation Cygnus, and one of the most luminous stars in the Milky Way Galaxy. It is a Luminous Blue Variable (LBV) star of spectral type B2 Ia located about 7000 light-years away. It was unknown until the 17th century, when it suddenly brightened to third magnitude. It briefly disappeared and returned, and today has a magnitude of about 4.8. 2) A member of a class of high-luminosity, early-type stars, in which spectral lines have a characteristic P Cygni profile. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=p+cygni+star&formSubmit=Search&showAll=1)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-WJH4WBWF-8
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