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Concept information

interstellar space > young stellar object
stellar astronomy > spectral classification > young stellar object

Preferred term

young stellar object  

Definition(s)

  • A young stellar object (YSO) is any star that has evolved past the protostar stage (i.e. is shining by way of internal nuclear reactions) but has yet to arrive on the main sequence. YSO's come in a variety of forms depending on their age, mass, and environment, and include Herbig Ae/Be stars, T Tauri stars, and, in general, immature stars prone to irregular brightening, embedded in nebulosity, and associated with bipolar outflows. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/Y/young_stellar_object.html)

Narrower concept(s)

Synonym(s)

  • young star
  • YSO

In other languages

URI

http://data.loterre.fr/ark:/67375/MDL-TF0PNGWR-2

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