Zoom in to HD 87643 star

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Zoom in to the double star HD 87643. The star is surrounded by a mysterious nebula, formed of material periodically ejected from the star. The star has been extensively studied, and is classified as a rare B(e) star, as it has the spectral class B, but with prominent and unusual emission lines in its spectrum. The final view in the zoom shows the star to have a small companion, which orbits it every few dozen years. It is thought the close approach of the companion to the star is the main driver of the ejection of material forming the nebula. HD 87643 lies some 4900 light years from Earth in the constellation Carina.<br>Restrictions:
Licence : Droits gérés
Crédit : Science Photo Library / A FUJII / DIGITIZED SKY SURVEY / EUROPEAN SOUTHERN OBSERVATORY
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Durée : 51 Secondes
Aspect ratio : 16/9
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  • This clip may not be used by or to promote the arms, nuclear power or tobacco industries or any religious organisation, or in any discriminatory way, or to imply the endorsement by ESO of any product, service or activity

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