Blue supergiant stars in the double cluster h and xi Persei (IMAGE)
Caption
Image of the double cluster h and xi Persei, in the constellation of Perseus, with the blue supergiants in the study shown with crosses and including a typical spectrum from the sample.
Credit
Abel de Burgos Sierra (IAC)
Usage Restrictions
Credit must be given to the creator. Adaptations must be shared under the same terms.
License
CC BY-SA