Type O Star Spectra

 

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Type O Stars
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Wavelength Calibration

 

O Stars are hot, blue, and massive.  They often exhibit emission line characteristics and Helium absorption is more pronounced than in other types.  They are often associated with nebulae and areas of active star formation.

Click the links below to see spectra of various "O" type stars:

Alnitak

 

 

 

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